序号 NO. | 指标名称 Item | 单位 Unit | 指标值 Normal value |
1 | 标称厚度 Nominal thickness | mm | 0.15 | 0.17 | 0.20 | 0.25 | 0.30 | 0.35 |
2 | 标称定量及允许偏差 Nominal weight and tolerance | g/m2 | 140±20 | 190±28 | 225±33 | 300±45 | 350±52 | 425±63 |
3 | 薄膜标准厚度 Nominal thickness of film | um | 50 | 75 | 100 | 150 | 190 | 250 |
4 | 拉伸强度TensileStengt 纵向不弯折 MD no bending 纵向弯折后 MD after bending 横向不弯折 TD no bending 横向弯折后 TD after bending | N/10mm | ≥80 ≥80 ≥80 ≥70 | ≥120 ≥105 ≥105 ≥120 | ≥140 ≥120 ≥120 ≥100 | ≥190 ≥170 ≥170 ≥130 | ≥270 ≥200 ≥200 ≥150 | ≥320 ≥300 ≥300 ≥200 |
5 | 伸长率 Elongation 纵向不弯折 MD no bending 纵向弯折后 MD after bending 横向不弯折 TD no bending 横向弯折后 TD after bending | % | ≥15 ≥10 ≥20 ≥10 | ≥15 ≥10 ≥20 ≥10 | ≥15 ≥10 ≥20 ≥10 | ≥15 ≥10 ≥20 ≥10 | ≥5 ≥5 | ≥5 ≥5 |
6 | 击穿电压 Breakdown voltage 不弯折 Normal | KV | ≥6 | ≥7 | ≥9 | ≥12 | ≥15 | ≥18 |
7 | 常态粘结性 Bonding strength at room temperature | - | 不分层 No delamination |
8 | 热态粘结性 (155±2)℃10分钟 Bonding strength at 155±2℃ for 10 min | - | 不分层、不起泡、不流胶 No delamination、blister and drainage |