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Item | Unit | Value | ||||||||
Nominal Thickness | mm | 0.15 | 0.18 | 0.20 | 0.23 | 0.25 | 0.30 | 0.35 | ||
Thickness Tolerance | mm | ±0.02 | ±0.025 | ±0.03 | ±0.035 | |||||
Norminal Grammage | g/m2 | 140±20 | 190±28 | 220±33 | 260±39 | 300±45 | 350±52 | 425±63 | ||
Thickness of polyester film | μm | 50 | 75 | 100 | 125 | 150 | 190 | 250 | ||
Tensile Strength | Lengthwise | Not Bended | N/10mm | ≥80 | ≥120 | ≥145 | ≥180 | ≥190 | ≥270 | ≥320 |
Bended | ≥80 | ≥105 | ≥120 | ≥150 | ≥170 | ≥200 | ≥300 | |||
Crosswise | Not Bended | ≥80 | ≥105 | ≥120 | ≥150 | ≥170 | ≥200 | ≥300 | ||
Bended | ≥70 | ≥90 | ≥100 | ≥120 | ≥130 | ≥150 | ≥200 | |||
Elongation | Lengthwise | Not Bended | % | ≥15 | ||||||
Bended | ≥10 | ≥5 | ||||||||
Crosswise | Not Bended | ≥20 | ||||||||
Bended | ≥10 | ≥5 | ||||||||
Breakdown Voltage | KV | ≥6 | ≥7 | ≥9 | ≥10 | ≥12 | ≥15 | ≥18 | ||
Adhesive Property | Room Temperature | No delamination | ||||||||
155±2°C 10min | No delamination,blister,or adhersive flow |
Polyester film/Dacron F DMD