Mil Thickness Conversion Chart
One mil is equal to 0. 0469 1000 18 0. com The Document World. Metric Nut Sizes mm 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210. For example, to find out how many mils in an inch and a half, multiply 1. 1-800-722-6721. 1 micron is one millionth of a meter. Heart Shaped Diamond Sizing Chart. Also, explore tools to convert mil or millimeter to other length units or learn more about length conversions. One mil is equal to one thousandth of an inch, or 10-3 inches. Or leave the math to us and contact one of our expert sales representatives. The IPC-2221 data from which these formulas are derived only covers up to 35 Amps, trace width up to 400 mils, allowable temperature rise from 10 to 100 degrees Celsius, and copper of 0. They should not be used as exact specifications as there can be variances due to other characteristics of the paper. This is not homework etc. 0001 millimeter. (in 1") Typ. Easy Fraction to Decimal Conversion Table, Mil / Micron / Guage Conversion Table, and Paper Weight Conversion Table. The mil is a unit of measure typically used in manufacturing and engineering for describing distance tolerances with high precision or for specifying the thickness of materials. It is a typical manufacturing dimension. length in mm is in first column. Paper is available for purchase in a variety of sizes, finishes, colors, thickness (or caliper) and weights. " However, in English-speaking countries the term micron is more commonly used. Mils to Inches Conversion Table Inches [ in ] The inch (abbreviation: in or ″ ) is a unit of length in the (British) imperial and United States customary systems of measurement now formally equal to 1 ⁄ 36 yard but usually understood as 1 ⁄ 12 of a foot. APPLIED COATING AMOUNTS WITH WIRE WOUND RODS Rod Size Wire # Mils Microns 30% 40% 75% 100% 30% 40% 75% 100% Thickness Grams Dry Per Square Meter. Convert 1 µ - µm into millimeter thickness and microns thickness to mm. 0135" 28 12 oz 0. General - Conversion Calculators. Simply enter in the length, width, and depth in feet to find the equivalent volume in gallons. Many Other Conversions. (35 mil) interlayers typically require high quality tempered glass for flatness. Flat glass comes in various thicknesses, and it is the difference in thickness that dictates the use of particular glass for a certain application. You can also go to the universal conversion page. That’s why we’ve created this grout coverage calculator to help you get the exact materials and quantities you need for your project. The online converter has very simple interface and will help us quickly convert our millimeters. the resistance values (assuming a 20 mil wide resistor with varying length) I get Figure 2. Millimeters to inches (mm to in) conversion calculator and how to convert. The “Shop Head” size should generally fall within this table. Our conversions provide a quick and easy way to convert between Length or Distance units. When we make a product we specify the thickness as a mil. 164 fraction of an inch. Metric to Inches Conversion Table – Convert metric lengths to fractional and decimal inch measurements More Fasteners InStock For Less Lowest cost shipping overnight. This is a conversion chart for Diameter in mils (Wire diameter). By knowing the conversion factor, converting between units can become a simple multiplication problem: S * C = E. Get the best deals on Metalworking Inspection Thickness Gages when you shop the largest DEFELSKO PosiTector 200 B/Std Coating Thickness Gage,Std,0. Paperboard Calculator. The dimension 2. com / Products / Steel Plating / Steel Plates Thickness & Weights. The Mil refers to thousands of inch for example the 60 Mil material would be very close to 1/16th of an inch thick. There is also a cursory description of the material itself. General - Conversion Calculators. PERFORMANCE SPECIFICATION SHEET. The standardized unit for wire cross-sectional area is circular mil. 200 MILS to INCHES = 0. 004 to 4 mils. This page will allow a shooter to quickly convert Mil measurements to MOA. FRACTION/DECIMAL/METRIC CONVERSION CHART 4th 8th 16th 32nd 64th Inch MM 1/64. The decimal equivalents of the diameters are shown in both English and Metric units. Note: Lumber is specified by its rough size. Paper Weight Chart: Paper is confusing. How to convert. The other way around, how many minutes - ' , MOA are in one angular mil - mil unit? Calculate from angle into other angle unit measures. Gages desginations are arranged in columns below. A free and useful calculator for Packaging Engineers which can perform common conversions, density calculations, corrugate calculations, pallet pattern generation, OTR and MVTR estimates. Metric Length Conversions Just the metric length and distance units. Stretch Wrap Film Thickness Conversion Chart - Gauge to Mil (2017) Gauge to Mil Thickness Conversion Chart Gauge Mil Micron Millimeter Inch Centimeter 30. 0 mil (25µ) coating, but that would certainly cost more. Standard Test Methods Reference Chart VpCI Films VpCI-125 ASTM B-257 – Surface Resistivity ASTM D 882 – Tensile Strength/Elongation ASTM D 1922 – Elmendorf Tear Strength ASTM D 3420 – Puncture Resistance ASTM F-3429 – Water Vapor Transmission Rate ASTM D-3985 – Oxygen Transmission Rate ASTM D6988-07 – Film Thickness. Dial and digital thickness gauges measure material thicknesses. The average thickness of pipe tubing refers primarily to the actual wall thickness of the pipe. Gauge to Mil Conversion Chart. 0020" thickness from a Type II coating is asking a bit much unless you have developed a special process. 5 - 40 Mils 4. Use these formulas to calculate any coating project, or use our ready reference mil thickness conversion charts below for calculating paint coverage. We are all about the Chart: Press Brake - Hole Punch - Metric - Band Saw - Shear - Drill Charts METAL GAUGE CHART - printable PDF This metal gauge chart provides standard gauge numbers in decimals of an inch for sheet metal, strip and tubing, aluminum and stainless steel materials. SSI Commercial & Highway Construction Materials. , this number is generally no less than 12. Below is a similar chart from a different source. 6 for a list of available PINs. 76 mm) in thickness. 060 19/27 14 3831. mil thickness chart,document about mil thickness chart,download an entire mil thickness chart document onto your computer. This is a bit more confusing, but necessary if you are unable to find the unit you need in the above conversion page. Enter a value in a cell and click the Calculate button in the same row to determine approximate equivalence in the other unit. Gauge Conversion Chart and other conversion tables for length, tensile and weight. In the chart below, we show the weight of several of our solid tarp materials along with the thickness. : Sub Base Calculator - this estimator will provide the area in square metres (length x width) and the required compacted depth and the estimator will provide the approximate quantity of crusher run required for a consolidated sub base. This is a conversion chart for Diameter in mils (Wire diameter). 0035" 24lb / 60lb Offset text (uncoated) paper. One ounce equals 1/64" in thickness. A mil is a thousandth of an inch —. Convert mils (NATO) to degrees (mil to °) with the angle conversion calculator, and learn the mil to degree calculation formula. The wet film thickness is based on 100% solids, no evaporation, no penetration into the substrate. Use our calculator for conversion formulas, metric equivalents and more. PDHonline Course E275 (3 PDH) AWG and Circular Mils 2012 Instructor: David A. Bindagraphics - a full service trade bindery, post press finisher, and specialty packaging provider, ranked 6th in the nation in size, boasts more services than any other trade binder in the world, is also the first trade binder in the United States to have its quality system ISO registered. Calculating and Measuring Wet Film Thickness Wet film thickness, or WFT is the measured thickness of any applied wet paint that is liquid-based. THINK!- MARYLAND METRICS - The One-Stop Source For Metric And British Sized Fasteners, Wrenches, Cutting, & Measuring Tools, Metal Shapes, Oil Seals, O-Rings, Mechanical Power Transmission Equipment, Bearings, Hydraulic And Pneumatic Fittings & Tubing, Workholding Components, Plumbing Fittings, & Some Electrical & Electronic Components. Nominal Tube Dimensions Chart (BWG) Chart includes outside diameter, inside diameter, wall thickness and gauge. The wet film thickness required would be 2 divided by. It is free and easy to use courtesy of SolveTech Thickness Gauging. (example: A 12 mil thickness coating specification would require placement at 134 sq. Millimeters : The millimeter (SI symbol mm) is a unit of length in the metric system, equal to 1/1000 meter (or 1E-3 meter), which is also an engineering standard unit. Learn more about our products. A chart showing how Kraft paper weights translate to Kraft paper thickness. This page is a listing of specifications that we can offer. The thickness of items such as paper, film, foil, wires, paint coatings, latex gloves, plastic sheeting, and fibers For example, most plastic ID cards are about 30 thou (0. Convert from. 37 mils and if you just want a close value for intuition, you may use rough value for each mm as 40 mils. military plating specifications process mil. Sheet Metal Thickness (Gauge) Chart in Inches Gauge Mild Steel Aluminum Galvanized Steel Stainless Steel 3 0. When you offer 15 potential steel thicknesses like we do, it can become complex to keep track of - until now. Wet Mils, Dry Mils, and Quality Control Finish coat thickness is a critical issue for coating performance. In most cases, the former is preferable since the N00 series designs often offer a lesser thick-ness of SFRM, as indicated in the following table: These rules are independent of design listing and apply to all fire resistive materials. Real-time gold scrap value calculator for professionals Gauge to Inches to Millimeters Conversion Table: B & S Gauge: Inch (Decimal) Millimeter (mm). Then click the Convert Me button. Millimeters. Gauge - French Conversion. For those of you doing real basic design or engineering for home or work, >> Millimeters Inches Conversion Chart. 0 mils dry film thickness 1604 x (0. EdgeCo maintains North America’s largest PVC Color Matching edgebanding and sheet veneer inventories available for same day shipping. It seems we get questions on a daily basis about body piercing gauges. In order to provide the best service possible, WestRock has developed roll, sheet and metric conversion calculators to make your job easier. A high bulk paper is thicker but less compact than a low-bulk paper of the same weight and size. The pool wall buckles if you don’t wait to install a 17 mil wall liner on a sunny day with temperatures above 70 degrees. 078740157 mils, or 1000 mm. To switch the unit simply find the one you want on the page and click it. The Mil refers to thousands of inch for example the 60 Mil material would be very close to 1/16th of an inch thick. Calculate how much coating you need to cover your job's square footage with MIL-DTL-24441, MIL-PRF-24635, MIL-DTL-24607, TT-P-645B, or TPD-1000A. Ace Seal offers a vast array of military specification products for the military industry. mil]-E, Class 1a (gold finish) vs. It is rated with the term, "mil". With rare exception, finished copper is one ounce greater than starting copper on the outer layers, while on inner layers, finished copper is the same as the starting copper. Fabrics with a low denier count tend to be sheer, soft, and silky. Instantly Convert Mil (mil) to Millimeters (mm) and Many More Length Conversions Online. A retail shopping bag is usually 2 mils; Mils are sometimes listed in decimal as thousands of an inch; a 2 mil bag may be listed as. Advanced Circuits is MIL-PRF-31032, MIL-PRF-55110G, AS9100C, ISO 9001:2008 Certified, IPC 6012 Class 2, 3 and 3A Qualified, and ITAR Registered. While a Mil is one-thousandth of an inch, a Micron is one-millionth of a meter. If you know the outer diameter of the roll and the core on which paper is wound and the thickness of the paper, you can calculate the length of paper using following equations. 37 thousandths of an inch). Ia codes are for packaging procedures which are regularly used and require a. It is important to select the right thread size and thread type for the application. length in mm is in first column. 'Wet Film Thickness' (WFT) = W (This may be known, specified or calculated). Gauge Chart - Gauge to Mils (1/1000 Inch). Our conversion chart helps you easily convert your measurements between fractions, decimals and metric for quick reference in order to find the exact item you need. Most all of the data sheets we get tell us how many dry mils to apply, I'm not sure how to convert dry to wet mils. 5mil for most commercial applications. If we bought a 4 mil product, we weren't getting a true 4 mil. Supplying the world AISI 4130 (E4130) and 4340 (E4340) Aircraft Quality Steel. The chart below can be used to determine the equivalent sheet thickness, in inches or millimeters, for a gauge number from the selected gauge size standard. , 1 mil thick, in a US gallon of any liquid. Here is a handy & easy to use leather thickness chart. The normal standard used in powder thickness measurement is the mil, where 1 mil is equal to a thousandth of an inch (1/1000”). The Mil refers to thousands of inch for example the 60 Mil material would be very close to 1/16th of an inch thick. Thus, a weight of 4 to 5 oz. Both a human hair and regular "printer paper" are on the order of 3 mils (75 microns) thick. For example 7 ⁄ 0. Coating Thickness Conversion Table. This reference page goes from. Marquise Diamond Sizing Chart. There was an article recently in PaintPRO magazine on the relationship between solids content of materials and dry film thickness. A gauge conversion chart can be used to determine the actual thickness of sheet metal in inches or millimeters. The other way around, how many millimeters thickness - mm are in one micron thickness - µ - µm unit?. Metric Nut Sizes mm 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210. 1570: 4000: 4. Inches are in second. This is a convenient calculator to help us figure out the volume of a cuboid or a box, calculete cubic yards(yd³) from different unit, include inches, feet, yards, mm, cm or meter, with calculation formula and dynamic visual cube help us understand the answer more easily. Mils to Microns Conversion Formula. For instance, regular everyday copy paper is most commonly referred to as a "20 lb. Units of Measurement: English (inches) Metric (millimeters) Convert: Wire gauge to diameter. 001 inch = 1 mils = 10 "tenths. A standard lead conversion thickness chart, brought to you by Ray-Bar Engineering. Use the conversion calculator below to find roll dimensions, area equivalents and length or thickness equivalents. The weight per unit area of the sheet can also be seen in pounds per square foot and kilograms per square meter. Gauge Chart - Gauge to Mils (1/1000 Inch). mil thickness chart,document about mil thickness chart,download an entire mil thickness chart document onto your computer. MIL-DTL-5541F, DETAIL SPECIFICATION: CHEMICAL CONVERSION COATINGS ON ALUMINUM AND ALUMINUM ALLOYS (11 JUL 2006) [SUPERSEDING MIL-C-5541E]. Mil The most common Imperial unit of measure for coatings is equivalent to 1 thousandth of an inch which equals 25. Asscher Diamond Carat Size Chart. Fraction/Decimal Chart. Since 1 mil equals 0. Advanced High Strength Steels (AHSS) and every other sheet metal needs to have an experimentally determined Forming Limit Curve. for example, to specify the diameter of wire or the thickness of materials sold in sheets. ASM Weight Calculator. decimal equivalents of inch fractions and conversion into millimeters plastics engineering company sheboygan, wisconsin 53082-0758. Use this page to learn how to convert between mils and inches. 0808 inches (80. Inches are in second. 78 : 1 1/8. Gauge Thickness Conversion Chart and Calculator For Plastic Film. While K&J Magnetics offers diametrically magnetized discs, this calculator does not apply to them. 1 Pa s (Pascal Second). , 1 mil thick, in a US gallon of any liquid. Leather Thickness Chart At Rustic Leather we want you to be informed about your leather purchase. The standardized method of measuring the thickness of a cable (American Wire Gauge or AWG) was established in 1857 in the United States. 001" (1 mil) and thicker than. This is a bit more confusing, but necessary if you are unable to find the unit you need in the above conversion page. The problem is: most of us don't know what is a mil. Mil Thickness: The mil is an increment/unit for measuring the thickness. This is a handy rule to remember when making rough wire size estimations!. If you have inch values see below for conversion to mm’s first. Coating thickness refers to the thickness of the final hot-dip galvanized coating, while coating weight refers to the amount of zinc for a given surface area. Aluminum coil, aluminum flat sheet, steel coil, metals processor, distributor and exporter, quality products from amerimet. english coverage rates metric coverage rates wet mil thickness square ft/gal 215 7. It's a Packaging Conversion Cheat Sheet! Packaging Measurement Conversion Tables | ClearBags. Between mil and ' , MOA measurements conversion chart page. EdgeCo maintains North America’s largest PVC Color Matching edgebanding and sheet veneer inventories available for same day shipping. The Thickness of Printing Paper List Posted on 09-05-2013 by admin. Therefore, a 20 mil liner thickness is equal to 20 thousandths of an inch. 006-inch thick) reinforced poly vapor barrier. Convert 1 mil into minute and angular mils to ' , MOA. 9% cu) Smooth Commercial Finish/Annealed (Dead Soft). I just want to see exactly how thick 10 mil will be. How to Figure Case Weights: Linear Low Width x Length x Mil /15 = Lbs per. Many of DeepRoot's products are defined by their mil thickness. 9mil plus 0. 8)2 or 6,529 circular mils. Sheet metal thickness gauges for steel are based on a weight of 41. Please take a look at the gauge and weight chart page or contact us for more information. Flat glass comes in various thicknesses, and it is the difference in thickness that dictates the use of particular glass for a certain application. Therefore, a 20 mil liner thickness is equal to 20 thousandths of an inch. One meter was defined in 1983 by the 17th conference of weights and measures as “the length of the path travelled by light in vacuum during a time interval of 1/299 792 458 of a second” and the millimetre by definition is derived as being 1/1000th of. The area will be 1,500,000 square mils. The equations for calculating bulk resistivity are different from those used to calculate sheet resistance, however, if one already knows the sheet resistance, bulk resistivity can be calculated by multiplying the sheet resistance in Ohms-per-square by the thickness of the material in centimeters. 1 Gauge = One-hundredth of a Mil. 002 inches; To convert mil to gauge, take mil and multiply by 100. 0001 millimeter. This form of measuring cable thickness is used specifically for electrically. Albright, Hydro Magnesium, Southfield, Mich. Metric to Inches Conversion Table – Convert metric lengths to fractional and decimal inch measurements More Fasteners InStock For Less Lowest cost shipping overnight. 5 to 3 ounces per square foot. If you know the outer diameter of the roll and the core on which paper is wound and the thickness of the paper, you can calculate the length of paper using following equations. Our conversions provide a quick and easy way to convert between Length or Distance units. Mil thickness can also be written numerically. Dimensions, weight and thickness of pipes schedule 80 Register Pipes schedule 80 chart. Machine Screw Size Chart and Conversion Tables A #8 screw size is. This is known as the Manufacturers' Standard Gage for Sheet Steel. By knowing the conversion factor, converting between units can become a simple multiplication problem: S * C = E. By knowing the conversion factor, converting between units can become a simple multiplication problem: S * C = E. Sheet metal gauge conversions. Coating thickness refers to the thickness of the final hot-dip galvanized coating, while coating weight refers to the amount of zinc for a given surface area. To switch the unit simply find the one you want on the page and click it. included is measured at IZ = as defined in the electrical characteristics table herein. The chart below shows approximate gauge thickness for metal to give a relative idea of different gauges. A range of precision stainless steel Wet Film Thickness Gauges designed to quickly and easily measure the thickness of coatings immediately after they have been applied to a substrate. You can use the Current Carrying Capacity Calculator to calculate the required trace width or the trace thickness. FRACTION/DECIMAL/METRIC CONVERSION CHART 4th 8th 16th 32nd 64th Inch MM 1/64. 'Wet Film Thickness' (WFT) = W (This may be known, specified or calculated). 0223 inches thick. This is a bit more confusing, but necessary if you are unable to find the unit you need in the above conversion page. Convert inch fractions to mm’s rounded to 1 decimal place using the chart below. Tell me what to convert. 4 to calculate the true micro thickness. Flat glass comes in various thicknesses, and it is the difference in thickness that dictates the use of particular glass for a certain application. sheet gauge charts aluminum gauge* thickness ounce thickness gauge* 4 oz 0. That's why SCAFCO steel framing products are manufactured from 100% prime mill certified steel. , 1 mil thick, in a US gallon of any liquid. All Length Conversions Nearly 300 different length and distance units. A mil is a mil, and an MOA is an MOA (unless it’s not because you didn’t check). Table 2 : Quality Approved Special Processes By Special Process Vendor 10/14/2019 Date Last Modified Page 2 of 9 CC-3 COATING CONVERSION COATING CLASS-3, TYPE I & II MIL-DTL-5541 S. Converting Sheet Metal Gauge To Thickness In Inches. Be absolutely certain to attach the coaxial cable into a properly designed connector, printed circuit board, or other type termination, paying careful attention to insulation and dielectric strip lengths, solder temperatures and dwell times, and shielding preparation. English; TEX Size Conversion. 1 Gauge =. 020" (20 mil). 0216") 24 gauge Copper Flashing. Your value gets instantly converted to all other units on the. 1,604 divided by sq. It is not based on any know document or specification but was compiled from many online sources. APPLIED COATING AMOUNTS WITH WIRE WOUND RODS Rod Size Wire # Mils Microns 30% 40% 75% 100% 30% 40% 75% 100% Thickness Grams Dry Per Square Meter. Selective Plating, Inc. com has offered the best pricing and fastest delivery on Cad Inkjet Plotter Papers, Inkjet Photographic paper, Engineering Bond Paper, Blueprint Diazo Paper, Graphic Media Supplies from Dietzgen, HP, Kodak and Magic for Wide format Inkjet plotter printers. One mil equals 36 inches at 1,000 yards. For example a PCB that uses 1 oz. A more "worldwide" unit of measure, GSM is an easy way to quickly compare the weight (density) of papers. 2650: 6730: 6. So, a 20-gauge brake has a maximum bending capacity of. example, a G90 coating contributes about 1. Convert Mils to Microns: To convert mils to microns, multiply the mil by 25. The higher the number, as is the case with microns, the thicker the film. Any dissimilar metal (steel, brass, bronze) or any form of plating will burn off in the anodizing tank unless masked. 28 mm (90 mil) thickness interlayers are normally specified for anti-intrusion, hurricane and other types of security ap-plications. 1 micron is one millionth of a meter. Aluminum chromating includes trivalent, NON hexavalent (RoHS) clear, hexavalent clear & yellow per MIL-C-5541 Class 3 & 1A, MIL-DTL-5541 Type I Class 3 & 1A, Type II Class 3 & ASTM B 449 Class 1, 2 or 3. Hence, 4 gauge material is thicker than 6 gauge material. Simple table to convert mm to inches. MILITARY Mil-5687-D Mil-B-5687-D Type II Type II Grade 3 Grade 4 Iron Cu. To convert microns to mils, divide the micron by 25. A retail shopping bag is usually 2 mils; Mils are sometimes listed in decimal as thousands of an inch; a 2 mil bag may be listed as. 99 : 1 3/32. A free and useful calculator for Packaging Engineers which can perform common conversions, density calculations, corrugate calculations, pallet pattern generation, OTR and MVTR estimates. And the whole 4’ x 8’ sheet will be approximately 84 lb. 1 The large welding window makes it easy to install and it is complemented by the most complete line of accessories. The online converter has very simple interface and will help us quickly convert our millimeters. Paper quality is often measured in three different ways, and you will need a table from a supplier to compare them. When choosing a supplier, quality materials are a top priority. 10 mil increments. Pound (lb) is a unit of Weight used in Standard system. Leather Buying Guide. atm - cubic centimeters for a 1 mil film thickness per square meter per 24 hours under a pressure difference of 1 atm. Whether you're working with gauge or Mil, you'll know exactly what you're buying with this conversion chart. (1 m² = 10. To convert mil to inches, take mil and divide by 1000. Many Other Conversions. 4 Pounds Grams 453. 0250 inches thick or approximately 12% thicker than a 20 Gauge liner. How to convert. They should not be used as specifications because there are variances within the same basis weight due to other characteristics of the papers. mesh: Inches: Microns: Millimeters: 3: 0. PHOSPHATE COATINGS are conversion coatings that produce a uniform, adherent, non-metallic, non-reflective, crystalline, water insoluble finish on iron or steel. Calculator for Rolled Length of Roll of Material Calculates the rolled length of a roll of material when the outside diameter of the material, thickness of the material, and the diameter of the hole in the center or the tube on which the material is wound are given. This specification is approved for use by all Departments and Agencies of the Department of Defense. Or, go to the calculator here. Mesteel - Steel Thickness Conversion Tables tables. 35mm, rounded = 6. So, a 20-gauge brake has a maximum bending capacity of. copper has a thickness of 1. THREAD SIZE. All Length Conversions Nearly 300 different length and distance units. Canada's best source for Quality Tools, Equipment and Supplies for Jewellers and the Jewellery Industry. Basically, the Coating Thickness Conversion Chart simplifies the process of converting from one unit to another by providing common measurements one might see while purchasing. The diameter of a human hair does not have a standard value since different people have different hair structures. MIL-PRF-19500/253 is inactive for new design after 3 June 2004. Stretch Wrap Film Thickness Conversion Chart - Gauge to Mil (2017) Gauge to Mil Thickness Conversion Chart Gauge Mil Micron Millimeter Inch Centimeter 30. 1 pound (lb) = 453. 1 mils thick (0. Since the round conductor’s diameter is generally a small fraction of an inch, it is quite handy to demonstrate them in mils, which is equivalent to 1/1000 of an inch, for avoiding the use of decimals. This is also known as the cut and weigh method for obtaining the average thickness of plastic film. This is not homework etc. For example, I always explain that the 30 mil (30 divided by 1,000 =.