发布时间:2025-01-19 06:58:09
快递袋口用的胶带是封缄胶带,
封缄胶带俗称:自粘胶贴。由四部分组成:水胶、油胶、聚酯膜也就是PET、PO或PP膜,主要用于信封、文具、服装等的OPP、PE材
质的塑胶袋封口。具有粘着力好、保持力佳,可重复使用,不脱胶、不残胶,特殊留边、易于撕起等特性。外层离型膜可为多种颜色。
(1)按离型膜特点分类:
1)普通空白封缄胶带 2)红、白线封缄胶带 3)印刷字符图案封缄胶带(如客户LOGO)
(2)按用途分类(客户胶袋材质):
机械性能实验标准:材质为42CrMo4V。做屈服强度,抗拉强度,延伸率,冲击功以及化学成分。谢谢!!
2025-01-19 06:58:09 2025-01-19 06:58:09 2025-01-19 06:58:09 2025-01-19 06:58:09 2025-01-19 06:58:09 2025-01-19 06:58:09 2025-01-19 06:58:09蓝野消毒柜售后在134度的模式不能运行122度时锅里就会有水怎么回事
2025-01-19 06:58:09 2025-01-19 06:58:09 2025-01-19 06:58:09我想去广州批发发夹耳环精品之类的东西要平价的请问去哪里的啊谢谢啦
2025-01-19 06:58:09 2025-01-19 06:58:09 2025-01-19 06:58:09 2025-01-19 06:58:09 2025-01-19 06:58:09 2025-01-19 06:58:09 2025-01-19 06:58:09 2025-01-19 06:58:09 2025-01-19 06:58:09 2025-01-19 06:58:09 2025-01-19 06:58:09 2025-01-19 06:58:09 2025-01-19 06:58:09 2025-01-19 06:58:09 2025-01-19 06:58:09 2025-01-19 06:58:09 2025-01-19 06:58:09 2025-01-19 06:58:09 2025-01-19 06:58:09 2025-01-19 06:58:09 2025-01-19 06:58:09 2025-01-19 06:58:09 2025-01-19 06:58:09 2025-01-19 06:58:09