POM XT 90 冲击改性 良好的柔韧性
POM XT 90 材料说明：高冲击改性，改善焊接线，良好的柔韧性和抗撞击性
公司 Hostaform®XT 90 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
材料说明：高冲击改性，改善焊接线
物性表：
| Physical Properties | Metric | English | Comments | ||
|---|---|---|---|---|---|
| Density | 1.32 g/cc | 0.0477 lb/in³ | ISO 1183 | ||
| Water Absorption | 0.80 % | 0.80 % | ISO 62 | ||
| Linear Mold Shrinkage, Flow | 0.012 cm/cm | 0.012 in/in | ISO 294-4 | ||
| Linear Mold Shrinkage, Transverse | 0.011 cm/cm | 0.011 in/in | ISO 294-4 | ||
| Melt Flow | 2.0 g/10min @Load 2.16 kg, Temperature 190 °C | 2.0 g/10min @Load 4.76 lb, Temperature 374 °F | (MVR) cm³/10min;ISO 1133 | ||
| Mechanical Properties | Metric | English | Comments | ||
| Tensile Strength, Yield | 30.0 MPa | 4350 psi | 50mm/min; ISO527-2/1A | ||
| Elongation at Yield | 30 % | 30 % | 50mm/min; ISO527-2/1A | ||
| Tensile Modulus | 0.950 GPa | 138 ksi | 1mm/min; ISO527-2/1A | ||
| Flexural Modulus | 0.950 GPa | 138 ksi | ISO 178 | ||
| Charpy Impact Unnotched | NB | NB | ISO 179/1eU | ||
| NB @Temperature -30.0 °C | NB @Temperature -22.0 °F | ISO 179/1eU | |||
| Charpy Impact, Notched | 10.0 J/cm² | 47.6 ft-lb/in² | ISO 179/1eA | ||
| 1.50 J/cm² @Temperature -30.0 °C | 7.14 ft-lb/in² @Temperature -22.0 °F | ISO 179/1eA | |||
| Thermal Properties | Metric | English | Comments | ||
| CTE, linear | 100 µm/m-°C | 55.6 µin/in-°F | ISO 11359-2 | ||
| CTE, linear, Transverse to Flow | 120 µm/m-°C | 66.7 µin/in-°F | ISO 11359-2 | ||
| Melting Point | 166 °C | 331 °F | 10°C/min; ISO11357-1,-2,-3 | ||
| Deflection Temperature at 0.46 MPa (66 psi) | 115 °C | 239 °F | ISO 75-1, -2 | ||
| Deflection Temperature at 1.8 MPa (264 psi) | 60.0 °C | 140 °F | ISO 75-1, -2 | ||
| Processing Properties | Metric | English | Comments | ||
| Processing Temperature | 60.0 - 80.0 °C | 140 - 176 °F | Cavitytemperature | ||
| <= 205 °C | <= 401 °F | to avoid burningand discoloring product | |||
| Zone 1 | 170 - 180 °C | 338 - 356 °F | |||
| Zone 2 | 180 - 190 °C | 356 - 374 °F | |||
| Zone 3 | 180 - 190 °C | 356 - 374 °F | |||
| Zone 4 | 180 - 200 °C | 356 - 392 °F | |||
| Die Temperature | 180 - 200 °C | 356 - 392 °F | |||
| Melt Temperature | 180 - 200 °C | 356 - 392 °F | |||
| Drying Temperature | >= 80.0 °C | >= 176 °F | |||
| Dry Time | 3.00 hour | 3.00 hour | |||
| Injection Pressure | 60.0 - 120 MPa | 8700 - 17400 psi | |||
| Hold Pressure | 60.0 - 120 MPa | 8700 - 17400 psi | |||
| Back Pressure | 0.500 MPa | 72.5 psi | |||
| Descriptive Properties | |||||
| Injection molding | Yes | ||||
| Injection speed | slow | ||||
| Pre-drying | Drying issuggested, depending on handling | ||||
| Processing conditions | ISO 9988-2 | ||||
