POM 7520旭化成---Product uses: lighter, sprayer valve parts, fasteners
Note: suitable for injection molding with thin wall and long flow distance
7520 physical property table
Basic performance rating unit test method
Moisture absorption: 0.2% ASTM d-570
Melt flow rate 30 Gr / 10min ASTM d-1238
Test method of physical performance rating unit
Asahi chemical method for molding shrinkage 1.6-2.0%
Abrasion rate: 14 mg / 1000 times ASTM d-1044
Specific gravity: 1.41 ASTM d-792
Mechanical properties - rating units - Test methods
Elongation 50% ASTM d-638
Rockwell hardness 80 m scale ASTM d-785
Flexural coefficient 2630 MPa ASTM D-790
Rockwell hardness 115 r scale ASTM d-785
Flexural strength 90 MPa ASTM D-790
Tensile strength 61 MPa ASTM d-638
Cantilever notched impact strength 59 J / M ASTM d-256
Thermal performance rating unit test method
Hot deformation temperature ASTM d-645
(0.45MPa)158℃
(1.82MPa)110℃
Flame retardant HB UL 94
Linear expansion coefficient 10 × 10-5cm / cm ℃ TMA
4563 | 标准流动等级,耐候性等级,含有紫外线吸收剂和其他添加剂,因而具有良好的耐候性。 |
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7513 | 高流动等级,耐候性等级,含有紫外线吸收剂和其他添加剂,因而具有良好的耐候性。 |
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GN455 | 25%玻璃纤维填充,高刚性,较佳的尺寸稳定性。 |
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GN755 | 25%玻璃纤维填充,高流动等级,高刚性,较佳的尺寸稳定性。 |
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CF452 | 10%碳纤填充高刚性高强度等抗静电。 |
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CF454 | 20%碳纤填充高刚性高强度等抗静电。 |
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MT754 | 20%矿物填充,高刚性,低翘曲。 |
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EF750 | 体积电阻系数102~104Ω•cm |
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TFC64 | 体积电阻系数100~102Ω•cm |
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LD755 | 20%矿粉填充,高刚性,低翘曲。 |
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LT350 | 高冲击强度,高延伸,在金属上具有良好的耐摩擦和磨耗性。 |
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LV450 | 润滑(**硅类)等级,**高耐摩擦,耐磨损性,低摩擦系数。 |
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LZ750 | 润滑(**硅类)等级,**高耐摩擦,耐磨损性,低摩擦系数,低后收缩。 |
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