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Unlined aluminum foil tape
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Detailed Content
(a) 厚度一般为0.03mm — 0.07mm,偏差和性能要求应符合下表规定。
序号
项目
指标
1
厚度偏差(mm)
D±0.015(D为订货尺寸)
2
剥离强度(常温下)(N/cm)
≥4.0
3
剥离强度(湿热老化后)(N/cm)
≥4.0
4
初粘性
≥18#钢球
5
持粘性时间(s)
≥10000
6
拉伸强度(N/m)
≥30
7
高温持粘性(min)
≥15
8
基膜背面与聚氨酯的粘接率(%)
≥60
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