Hostaform® C 9021 TF XAP² ™
Acetal (POM) Copolymer
Celanese Corporation
产品说明：
Chemical abbreviation according to ISO 1043-1: POM
Molding compound ISO 9988- POM-K, M-GNS, 2-2
POM copolymer
Injection molding type, modified with PTFE; good
chemical resistance to solvents, fuel and strong alkalis as well as
good hydrolysis resistance; high resistance to thermal and oxidative
degradation; for sliding combinations with very low coefficient of
friction.
Reduced emission grade. Emissions according to VDA 275 < 5 mg/kg
Burning rate ISO 3795 and FMVSS 302 < 100 mm/min for a thickness
more than 1 mm.
Ranges of applications: For sliding combinations with very low
coefficient of friction.
FMVSS = Federal Motor Vehicle Safety Standard (USA)
Preliminary data sheet
物性信息：
| 添加剂 | PTFE润滑剂 |
| 特性 | 低摩擦系数 抗溶剂性 耐化学性良好 耐碱 耐燃油性 耐水解性 |
| RoHS 合规性 | 联系制造商 |
| 加工方法 | 注射成型 |
| 树脂ID (ISO 1043) | POM |
| 密度 | 1.51 | g/cm³ | ISO 1183 |
| 溶化体积流率（MVR） (190°C/2.16 kg) | 6.00 | cm³/10min | ISO 1133 |
| 收缩率 | ISO 294-4 | ||
| 垂直流动方向 | 1.7 | % | ISO 294-4 |
| 流动方向 | 2.0 | % | ISO 294-4 |
| 吸水率 (饱和, 23°C) | 0.65 | % | ISO 62 |
| 拉伸模量 | 2350 | MPa | ISO 527-2/1A/1 |
| 拉伸应力 (屈服) | 47.0 | MPa | ISO 527-2/1A/50 |
| 拉伸应变 (屈服) | 7.0 | % | ISO 527-2/1A/50 |
| 标称拉伸断裂应变 | 16 | % | ISO 527-2/1A/50 |
| 拉伸蠕变模量 | ISO 899-1 | ||
| 1 hr | 2000 | MPa | ISO 899-1 |
| 1000 hr | 1150 | MPa | ISO 899-1 |
| 弯曲模量 (23°C) | 2250 | MPa | ISO 178 |
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