Specification for polyethylene plastics pipe and fitting materials 聚乙烯塑料管和配件材料规范
2.
Thermoplastics pipes and fitting - determination of vicat softening temperature 维卡软化温度的测定
3.
Pent notch tensile test to measure the resistance to slow crack growth of polyethylene materials for pipe and fitting products 管和管件用聚乙烯材料耐慢速裂纹伸展的测定的缺口拉伸试验