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特点及用途:F级DMD聚酯薄膜聚酯纤维非织布复合材料采用F级耐热胶粘剂将两面聚酯纤维非织布与聚酯薄膜粘结复合而成。本品耐热等级为F级，具有良好的机械强度。介电性能和可靠的热态粘结性。适用于F级电机、变压器的槽绝缘。匝间绝缘和衬垫绝缘等。执行标准：JB4060-1991序号NO.指标名称Item单位Unit指标值Normal value1标称厚度Nominal thicknessmm0.150.200.250.300.352允许偏差tolerancemm ±0.02 ±0.03 ±0.03 ±0.03 ±0.0353拉伸强度(Tensilestengt)纵向MD不弯曲No bendingN/10mm ≥80 ≥105 ≥130 ≥150 ≥180弯曲后After bending ≥70 ≥95 ≥120 ≥130 ≥160横向TD不弯曲No bending ≥80 ≥120 ≥150 ≥170 ≥200弯曲后After bending ≥80 ≥105 ≥130 ≥150 ≥1804伸长率Elongation纵向不弯折MD no bending% ≥10 ≥10 ≥10 ≥10 ≥10横向不弯折TD no bending ≥15 ≥15 ≥15 ≥15 ≥155击穿电压Breakdown voltage不弯折NormalkV ≥6 ≥8 ≥11 ≥13 ≥16弯折后After bending ≥6 ≥8 ≥11 ≥13 ≥166常态粘结性Bonding strength at room temperature/不分层 No delamination7热态粘结性(180 ±2)0C10分钟Bonding strength at 180 ±20C for 10 min /不分层、不起泡、不流胶 No delamination、blister and drainage性能指标（Properties of TYPE 6641）