ASTM D3149电绝缘用交联聚烯烃热收缩管的标准规范
日期:2012-02-10 11:34
I, Type II, Type III, and Type IV. The compound used in the manufacture of heat-shrinkable tubing shall be modified polyolefin resin, and the finished compound shall be free of all foreign matter other than intended formulation additives as appropriate. The tubing shall be extruded, cross-linked, and then expanded to the required dimensions. The following chemical properties of the material shall be determined: corrosion, fluid resistance, flammability, and water absorption. Physical properties
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