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原料比对
产品信息
品名
品牌名
典型应用
特性
认证
POM 7520 张家港旭化成
TENAC™-C
工业应用,汽车应用,齿轮,外壳,工程配件,通用,紧固件
高流动,中粘度
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物性数据
| 热性能 | 测试条件 | 测试方法 | 张家港旭化成/7520 |
|---|---|---|---|
| 比热 | 1470 J/kg/°C | ||
| 导热系数 | 0.23 W/m/K | ||
| 热变形温度 | 0.45MPa,未退火 | ISO 75-2/B | 157 °C |
| 1.8MPa,未退火 | ISO 75-2/A | 100 °C | |
| 0.45MPa,未退火 | ASTM D648 | 158 °C | |
| 1.8MPa,未退火 | ASTM D648 | 110 °C | |
| 线性热膨胀系数 | MD | ASTMD696 | 1E-04 cm/cm/°C |
| 冲击性能 | 测试条件 | 测试方法 | 张家港旭化成/7520 |
|---|---|---|---|
| 简支梁缺口冲击强度 | ISO 179 | 5.0 kJ/m² | |
| 悬壁梁缺口冲击强度 | ASTM D256 | 61 J/m |
| 机械性能 | 测试条件 | 测试方法 | 张家港旭化成/7520 |
|---|---|---|---|
| 拉伸模量 | ISO 527-2 | 2800 Mpa | |
| 拉伸强度 | 屈服 | ISO 527-2 | 64.0 Mpa |
| -- | ASTM D638 | 64.0 Mpa | |
| 伸长率 | 断裂 | ASTM D638 | 32 % |
| 断裂 | ISO 527-2 | 30 % | |
| 泰伯耐磨性 | ASTM D1044 | 14.0 mg | |
| 弯曲模量 | ASTMD790 | 2600 Mpa | |
| 弯曲强度 | ASTM D790 | 93.0 Mpa |
| 电气性能 | 测试条件 | 测试方法 | 张家港旭化成/7520 |
|---|---|---|---|
| 表面电阻率 | ASTM D257 | 1.0E+16-1.0E+17 ohms | |
| 耗散因数 | 23°C,1MHz | ASTM D150 | 8E-03 |
| 介电常数 | 23°C,1MHz | ASTM D150 | 3.90 |
| 介电强度 | ASTM D149 | 19 KV/mm | |
| 耐电弧性 | ASTM D495 | 250 sec | |
| 体积电阻率 | 23°C | ASTM D257 | 1.0E+15-1.0E+16 ohms·cm |
| 硬度 | 测试条件 | 测试方法 | 张家港旭化成/7520 |
|---|---|---|---|
| 洛氏硬度 | R级 | ASTM D785 | 115 |
| M级 | ASTM D785 | 80 |
| 物理性能 | 测试条件 | 测试方法 | 张家港旭化成/7520 |
|---|---|---|---|
| 密度 | ASTMD792 | 1.41 g/cm³ | |
| 熔体质量流动速率 | 190°C/2.16kg | ISO 1133 | 30 g/10min |
| 收缩率 | MD | Internal Method | 1.6-2.0 % |
| 吸水率 | 23°C,24hr,50%RH | ASTM D570 | 0.20 % |
| 可燃性 | 测试条件 | 测试方法 | 张家港旭化成/7520 |
|---|---|---|---|
| UL阻燃等级 | 1.5mm | UL 94 | HB |
| 0.75mm | UL 94 | HB |