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Test Item | Unit | Standard | Test Method | |
Thickness Tolerance | % | ±5 | ASTM D-374 | |
Tensile strength | MD | mpa | ≥120 | ASTM D-882 |
TD | ≥200 | |||
Elongation at break | MD | % | ≤200 | ASTM D-882 |
TD | ≤80 | |||
Heat shrinkage (150ºC,30min) | MD | % | ≤5.0 | ASTM D-1204 |
TD | ≤4.0 | |||
Surface Tension | mN/m | ≥38 | ASTM D-2578 | |
Friction Coefficient | -- | ≤0.80 | ASTM D-1894 | |
≤0.80 | ||||
Base Film Haze | % | ≤4.0 | ASTM D-1003 | |
Base Film Glossness | % | ≥80 | ASTM D-2457 | |
Thickness of Aluminum Layer | Å | 380 | Square resistance meter | |
Ω/ | 1.50 | GB/T 15717 | ||
O.D | 1.80 | X-rite 361 | ||
Uniformity of Aluminum Layer | % | ±10 | GB/T 15717 | |
Firm of Aluminum Layer | % | ≤15 | 3M Tape |