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Item | Testing Methods | Unit | Sdandard values | ||||
Thickness | GB/T6672 | μm | <75 | ≥75 | |||
Al Thickness | GB/T15717 | OD | ≥2.0 | ||||
Density | GB/T1033.1-2008 | ɡ/cm3 | 1.4 | ||||
reflectivity | TS20 | % | ≥90 | ||||
Surface Tension | Al side | mN/m | ≥48 | ||||
Non-Al side | ≥42 | ||||||
Tensile strength | MD | GB/T 1040.3 | Mpa | ≤200 | |||
Tensile strength | TD | ≤200 | |||||
Elongation at break | MD | GB/T 1040.3 | Mpa | ≥170 | ≥150 | ||
TD | ≥170 | ≥150 | |||||














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