Model 牌号 |
Machine Barrel Temperature 机筒温度 |
MoldingTemperature 机头温度 |
Melt Temperature 熔体温度 |
EP-3000 | 150 ℃– 190 ℃ | 195 ±5℃ | 185±5℃ |
Item 试验项目 |
Unit 单位 |
Typical Data典型值 | ||||
EP-3001 | EP-3002 | EP-3003 | ||||
Density at 23℃ 23℃密度 | g/cm3 | 0.918 | 1.09 | 0.95 | ||
Hardness 硬度 | Share A | 92 | 90 | 87 | ||
Melt Flow Index 熔体流动速率2.16kg×210℃ | g/10min | 0.39 | 0.52 | ---- | ||
Tensile Strength 拉伸强度 | MPa | 17 | 15.2 | 10.2 | ||
Spring Back 回弹性 | % | 43 | 38 | 32 | ||
Elongation at Break 断裂伸长率 | % | 542 | 460 | 185 | ||
Break Set 扯断永久变形 | % | 104 | ---- | ---- | ||
Compression Set 压缩永久变形 |
70℃×22hr | % | 37.5 | ---- | ---- | |
100℃×22hr | % | 42 | ---- | ---- | ||
Abrasion 磨耗量(阿克隆) |
cm3/1.61kM | 0.96 | 0.62 | ---- | ||
Ozone Resistance Aging 耐臭氧老化 |
50×10-8 Tension 20% 40℃×72hr |
No crake 无裂纹 |
No crake 无裂纹 |
No crake 无裂纹 |
||
Low Temperature Impact 低温冲击 |
-30℃ | Pass 通过 |
Pass 通过 |
Pass 通过 |
||
Brittleness Temperature 脆性温度 |
℃ | -50 | -44 | -45.5 | ||
Air Aging Condition 热空气老化条件 150℃×168h |
Variation of Tensile Strength 拉伸强度变化率 |
% | +18.3 | +25.5 | +15.5 | |
Variation of Elongation 断裂伸长变化率 |
% | -13.7 | -14.2 | -17.1 | ||
Volume Resistivity 体积电阻率 | Ω.m | 4×1012 | 2.5×1012 | ---- | ||
耐油性能 Oil Resistance Properties ASTM 1# Oil 70℃x168h |
Retention of Tensile Strength 拉伸强度保持率 |
% | ---- | 80 | 78 | |
Retention of Elongation伸长率保持率 | % | ---- | 79 | 74 | ||
Variation of Volume 体积变化率 |
% | ---- | +8.5 | +9.6 | ||
耐油性能 Oil Resistance Properties ASTM 2# Oil 120℃x24h |
Retention of Tensile Strength 拉伸强度保持率 |
% | ---- | 51.6 | 53 | |
Retention of Elongation 伸长率保持率 |
% | ---- | 32.2 | 31.5 | ||
Variation of Volume 体积变化率 |
% | ---- | 76 | 72 |