3PE防腐管
标准(zhun):GB/T23257-2017
规格(ge):406×9.5×12000mm
涂层(ceng)级(ji)别:加(jia)强级
技术指(zhi)标(biao):
环氧(yang)涂(tu)层(ceng):≥120μm;
胶(jiao)粘剂层:≥170μm;
防腐层(ceng)最小(xiao)厚(hou)度:2.9mm;
剥离(li)强(qiang)度(N/cm)20℃±5℃: ≥100
50℃±5℃:≥70
阴极(ji)剥离(li)(65℃,48h): ≤5mm
阴(yin)极(ji)剥(bo)离(最(zui)高使(shi)用(yong)温度(du),30d/mm: ≤15
冲击(ji)强度(du)(23±5℃):≥8J/mm 25kv无漏点(dian)
抗弯曲(-30℃,2.5 0):聚(ju)乙(yi)烯(xi)无(wu)开裂。
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