- 密度 [g/cm3]: 1.4
 - 透光率 [%]: 70.0
 
| Physical Properties | Metric | English | Comments | 
|---|---|---|---|
| Density | 1.40 g/cc | 0.0506 lb/in³ | Average value for Mylar® films. | 
| Moisture Vapor Transmission | 0.0800 cc-mm/m²-24hr-atm | 0.203 cc-mil/100 in²-24hr-atm | 6 g/m²-24hr for the film. ASTM E96 Procedure E | 
| Oxygen Transmission | 0.100 cc-mm/m²-24hr-atm | 0.254 cc-mil/100 in²-24hr-atm | or 6 cc/m²-24hr-atm for the film. ASTM D3985 | 
| Mechanical Properties | Metric | English | Comments | 
| Film Elongation at Break, MD | 110 % | 110 % | ASTM D882 | 
| Film Elongation at Break, TD | 80 % | 80 % | ASTM D882 | 
| Modulus of Elasticity | 3.79 GPa | 550 ksi | (stiffness), ASTM D882 | 
| Tear Strength Test | 350 | 350 | Graves, g; ASTM D1004 | 
| Film Tensile Strength at Break, MD | 186 MPa | 27000 psi | ASTM D882 | 
| Film Tensile Strength at Break, TD | 228 MPa | 33100 psi | ASTM D882 | 
| Thermal Properties | Metric | English | Comments | 
| Maximum Service Temperature, Air | 121 °C | 250 °F | Not cleared by FDA for food temperatures above this temperature. | 
| Shrinkage | 1.4 % @Temperature 150 °C, Time 1800 sec  | 1.4 % @Temperature 302 °F, Time 0.500 hour  | Film shrinkage in oven. | 
| Optical Properties | Metric | English | Comments | 
| Haze | 5.0 % | 5.0 % | ASTM D1003 | 
| Gloss | 200 % | 200 % | 20°; ASTM D2457 | 
| Transmission, Visible | 70 % | 70 % | % Clarity; ASTM D1746 | 


