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口罩的耳绳是什么材质
更新时间: 2019-02-27 00:00:00  

一般耳绳是氨纶+锦纶和氨纶+涤纶。成人口罩的耳带绳一般是17厘米,儿童用口罩耳带绳一般是15厘米。再讲讲切割工艺,自动口罩机的是口罩机器会切割。手动点焊机的话,会把口罩绳切成17厘米左右的长度。切割机会有1厘米的误差,所以要求高的厂家会手工切。

关键词: 口罩 什么 材质

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