问题描述：
塑料安全封条哪种材质好?PA料就是尼龙吗?为什么封条大多是PP料的?PE的不好吗?
consist of a serrated plastic strap that is pulled through the hole of the seal body which contains a spring latching mechanism.我感觉这句话是要锯齿状,带弹片的吧?可塑料封条的供应商说,带弹片就不用锯齿了（没必要）,谁知道这到底是要锯齿状,还是带弹片啊?
consist of a serrated plastic strap that is pulled through the hole of the seal body which contains a spring latching mechanism.我感觉这句话是要锯齿状,带弹片的吧?可塑料封条的供应商说,带弹片就不用锯齿了（没必要）,谁知道这到底是要锯齿状,还是带弹片啊?
问题解答：
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