性 質 |
超 高 分 子 聚 乙 烯UHMW-PE |
聚 丙 烯
PP |
比重
Specific gravity |
0.994 |
0.902-0.910 |
抗拉強度p.s.i.
Tensile strength |
2500-3500 |
4300-5500 |
伸長率﹪
Elogation |
500 |
200.0-700.0 |
壓縮強度p.s.i.
Comprehesive strength |
2400 |
5500-8000 |
衝擊強度
Impact strength(1/2×1/2 in.notched) |
不破壞
No Break |
0.5-2.2at
(1/8×1/2inbar) |
硬度,洛克維爾
Hardness Rockwell |
D60-70
(Shore) |
80-110 |
抗強度105 p.s.i. 73℉
Flexural Modulus |
1.30-1.40 |
1.7-2.5 |
摩擦係數
Coefficient of friction |
0.03
0.08 |
0.3 |
熱傳導率-104 cal sec cm3℃ cm
Thermal conductivity |
11-12.4 |
2.8 |
熱膨脹率
Thermal expansion 105 per ℃ |
7.2 |
5.8-10.2 |
耐熱溫度
Resistance to heat ℃(continuous) |
120℃ |
110℃ |
體積抵抗Ω cm(23℃50%)
Volume resistivity |
1016 |
1016 |
絕緣破壞強度(短時間)1/8-in.thickness
volts mil Dielectric strength |
710 |
500-660 |
誘電率1KHz
Dielectric constant |
2.25-2.35 |
2.2-2.6 |
誘電損失1KHz
Dissipation(power) factor |
0.00021 |
0.0005-0.0018 |
吸水率24小時3.2mm厚%
Water absorption 24hr 3.2thickness, % |
0.01 |
0.01-0.03 |
燃燒速度 in min
Burning rate |
- |
0.75-0.82 |
弱酸影響
Effect of weak acids |
抗弱酸性強
Very resistant |
不受影響
None |
強酸影響
Effect of strong acids |
受強氫化酸侵襲Attacked
slowly by oxidizing acids |
稍受強氧化酸侵襲Attacked
slowly by oxidizing acids |
弱鹼影響
Effect of weak Alkalies |
抗弱鹼性強
Very resistant |
不受影響
None |
強鹼影響
Effect of strong Alkalies |
抗強鹼性強
Very resistant |
抗強鹼性強
Very resistant |
有機溶劑影響
Effect of organic solvents |
耐80℃以下有機溶劑
Resistant Below 80℃ |
耐80℃以下有機溶劑
Resistant Below 80℃ |