公司的Hostaform®27242 xap2™ POM，冲击改性
类别：聚合物；热塑性；聚甲醛（POM）；乙缩醛共聚物，影响改性
材质说明：易流动，冲击改性注塑级，具有良好的低温冲击强度和良好的焊接线强度和减少排放。根据VDA 275＜5毫克/公斤的排放
物性表：| Physical Properties | Metric | English | Comments | ||
|---|---|---|---|---|---|
| Density | 1.35 g/cc | 0.0488 lb/in³ | ISO 1183 | ||
| Mechanical Properties | Metric | English | Comments | ||
| Tensile Strength, Yield | 50.0 MPa | 7250 psi | 50mm/min; ISO 527-2/1A | ||
| Elongation at Break | 40 % | 40 % | 50mm/min; ISO 527-2/1A | ||
| Elongation at Yield | 8.5 % | 8.5 % | 50mm/min; ISO 527-2/1A | ||
| Tensile Modulus | 2.20 GPa | 319 ksi | 1mm/min; ISO 527-2/1A | ||
| Charpy Impact Unnotched | 13.0 J/cm² | 61.9 ft-lb/in² | ISO 179/1eU | ||
| Charpy Impact, Notched | 0.700 J/cm² | 3.33 ft-lb/in² | ISO 179/1eA | ||
| 0.600 J/cm² @Temperature 30.0 °C |
2.86 ft-lb/in² @Temperature 86.0 °F |
ISO 179/1eA | |||
| Processing Properties | Metric | English | Comments | ||
| Processing Temperature | 20.0 - 30.0 °C | 68.0 - 86.0 °F | hopper | ||
| 60.0 - 80.0 °C | 140 - 176 °F | cavity | |||
| Feed Temperature | 60.0 - 80.0 °C | 140 - 176 °F | |||
| Zone 1 | 170 - 180 °C | 338 - 356 °F | |||
| Zone 2 | 180 - 190 °C | 356 - 374 °F | |||
| Zone 3 | 190 - 200 °C | 374 - 392 °F | |||
| Zone 4 | 190 - 200 °C | 374 - 392 °F | |||
| Die Temperature | 190 - 200 °C | 374 - 392 °F | |||
| Melt Temperature | 190 - 200 °C | 374 - 392 °F | |||
| Drying Temperature | 100 - 120 °C | 212 - 248 °F | |||
| Dry Time | 3 - 4 hour | 3 - 4 hour | |||
| Moisture Content | 0.15 % | 0.15 % | Necessary low maximum | ||
| Injection Pressure | 60.0 - 120 MPa | 8700 - 17400 psi | |||
| Hold Pressure | 60.0 - 120 MPa | 8700 - 17400 psi | |||
| Back Pressure | <= 2.00 MPa | <= 290 psi | |||
| Screw Speed | 70 rpm @Diameter 55.0 mm |
70 rpm @Diameter 2.17 in |
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| 100 rpm @Diameter 40.0 mm |
100 rpm @Diameter 1.57 in |
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| 150 rpm @Diameter 25.0 mm |
150 rpm @Diameter 0.984 in |
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| Hot-Working Temperature | 190 - 200 °C | 374 - 392 °F | |||
| De |
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| Injection speed | slow-medium | ||||
| Melt volume rate (MVR), cm³/10min | 16 | ||||
| MVR test load, kg | 2.16 | ||||
| MVR test temperature, °C | 190 | ||||
| Processing conditions acc. ISO | 9988-2 | ||||
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