Model 牌号 |
Machine Barrel Temperature 机筒温度 |
Molding Temperature 机头温度 |
W-7021-P / W-9021-P / W-0521-P | 145-170℃ | 165-180℃ |
Item试验项目 |
Unit 单位 |
Technical Requirements 技术要求 |
||
W-7021-P | W-9021-P | W-0521-P | ||
Tensile Strength 拉伸强度 |
MPa | ≥15.0 | ≥16.0 | ≥16.0 |
Elongation at Break 断裂伸长率 |
% | ≥180 | ≥180 | ≥180 |
ThermalDeformation 热变形 |
% | ≤50 | ≤40 | ≤40 |
Brittle Temperature with Impact 冲击脆化温度 |
℃ | -25 | -20 | -20 |
200℃Thermal Stability 200℃时热稳定时间 |
min | ≥50 | ≥80 | ≥80 |
20℃Volume Resistivity 20℃时体积电阻率 |
Ω.m | ≥1.0×108 | ≥1.0×109 | ≥1.0×109 |
Dielectric Strength 介电强度 |
MV/m | ≥18 | ≥18 | ≥18 |
Thermal Aging 热老化试验 |
\ | 100℃×168h | 100℃×240h | 135℃×168h |
Tensile Strength After Aging 老化后拉伸强度 |
MPa | ≥15.0 | ≥16.0 | ≥16.0 |
Tensile Strength Variation 拉伸强度变化率 |
% | ±20 | ±20 | ±20 |
Elongation After Aging 老化后断裂伸长率 |
% | ≥180 | ≥180 | ≥180 |
Elongation Variation 断裂伸长率变化率 |
% | ±20 | ±20 | ±20 |
Mass Losses 质量损失(100℃×168h) |
g/m2 | ≤23 | ≤15 | ≤20 |
Anti-ratPerformance 防鼠性能 |
\ | SD rat didn’t bite within 7 days SD大鼠7天无啃咬 |
SD rat didn’t bite within 7 days SD大鼠7天无啃咬 |
SD rat didn’t bite within 7 days SD大鼠7天无啃咬 |
Anti-termite Performance ( test group technique ) 防白蚁性能(试验群体法) |
\ | Level 2 passed 二级通过 |
Level 2 passed 二级通过 |
Level 2 passed 二级通过 |