|
指标名称index name |
单位unit |
指标index |
试验方法test method |
|
密度 density |
kg/m3 |
1450-1650 |
gb/t 1033-1986方法a method a of gb/t 1033-1986 |
|
维卡软化温度（管材）vicat softening temperature(pipes) |
℃ |
≧110 |
gb/t 8802 |
|
维卡软化温度（管件）vicat softening temperature(fittings) |
℃ |
≧103 |
gb/t 8802 |
|
纵向回缩率 longitudinal reversion |
% |
≦5 |
gb/t6671-2001方法b method b of gb/t6671-2001 |
|
氯含量（质量百分比）chlorine concerntration(mass percent) |
% |
≧60 |
gb/t 7139 |
|
静液压试验hydrostatic test |
－－ |
无脱层，无破碎no leafing,no break |
iso 1167:1996 |
|
静液压状态下热稳定试验hydrostatic reheat test |
－－ |
iso 1167 |
|
落锤冲击试验drop impact test |
－－ |
tir≦10% |
gb/t 14152 |
|
烘箱试验oven test |
cal/g/℃ |
无分层，无开裂no lamination,no crack |
gb/t 8803 |
|
弹性模量* modulus of elasticity |
mpa |
≧2660 |
astm d638 |
|
拉伸强度* tensile strength |
mpa |
≧56 |
astm d638 |
|
冲击强度* impact strength |
kj/m2 |
≧16 |
astm d256 |
|
线膨胀系数* coefficient of linear expansion |
m/m℃ |
3.4×10-5 |
|
|
热传导率* thermal conductivity |
cal/g/℃ |
0.14 |
astm c177 |
|
比热* specific heat |
cal/g/℃ |
0.14 |
|
|
体电阻* bulk resistance |
ω/cm |
≧1015 |
|
|
介电强度* dielectric strength |
ac,kv/mm |
13 |
|
|
阻燃性* flame retardant |
－－ |
自熄self-extinguish |
ul-94 |
