发布时间:2025-01-30 07:56:37
1、PEI塑料是一种无定形热塑性聚醚酰亚胺。它是高性能和良好加工特性的结合,兼具耐高温性及高强度、模量和范围广泛的耐化学剂性。
2、PEI树脂天性阻燃。某些牌号在厚度为0.25时,具有UL94-V0额定值,其它牌号在极广的温度和频率范围内,显示出高的介电常数和损耗因数。
装修贴地砖高低不平师傅说只管四个角平中间高低是砖质量问题但现在是四个角都不平我要怎样唯权
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