物理安全检测
ISO 4427-2塑料管道系统供水用聚乙烯管和配件 第2部分：管子
ISO 4427-2塑料管道系统 供水用聚乙烯管和配件 第2部分：管子—标准名称
ISO 4427-2 Plastics piping systems - Polyethylene (PE) pipes and fittings for water supply - Part 2: Pipes
ISO 4427-2塑料管道系统 供水用聚乙烯管和配件 第2部分：管子
ISO 4427-2塑料管道系统 供水用聚乙烯管和配件 第2部分：管子—适用范围
Scope：
This part of ISO 4427 specifies the pipes made from polyethylene (PE) intended for the conveyance of water for human consumption, including raw water prior to treatment and water for general purposes. It also specifies the test parameters for the test methods to which it refers.
ISO 4427-2塑料管道系统 供水用聚乙烯管和配件 第2部分：管子—测试标准和要求
Apparence外观
Colour颜色
EC Council Directive 98/83/EC Effect on water quality水质效果
ISO 3126 Mean outside diameters and out-of-roundbess(ovality)平均外径与不圆度（椭圆度）
ISO 3126 Wall thickness and their tolerances壁厚与偏差
ISO 3126 Coiled pipe盘管
ISO 3126 Length 长度
ISO 1167-1/ISO 1167-2 Resistance to internal pressure耐内压
ISO 6259-1/ISO 6259-3 Elongation at break断裂伸长率
ISO 2505 Longitudinal reversion纵向回缩率
ISO 1133 Melt mass-flow rate MFR熔体质量流动速率
ISO 11357-6 Oxidation induction time氧化诱导时间
ISO 4433-1/-2 Chemical characteristics of pipes in contact with chemiacal与化学试剂接触时的化学特征
ISO 1452.5 Performance requirements系统适应性
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