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
物性表：| Physical Properties | Metric | English | Comments | ||
|---|---|---|---|---|---|
| Density | 1.33 g/cc | 0.0480 lb/in³ | ISO 1183 | ||
| Water Absorption | 0.80 % | 0.80 % | ISO 62 | ||
| Linear Mold Shrinkage, Flow | 0.014 cm/cm | 0.014 in/in | ISO 294-4 | ||
| Linear Mold Shrinkage, Transverse | 0.012 cm/cm | 0.012 in/in | ISO 294-4 | ||
| Melt Flow | 1.0 g/10 min @Load 2.16 kg, Temperature 190 °C |
1.0 g/10 min @Load 4.76 lb, Temperature 374 °F |
(MVR) cm³/10min; ISO 1133 | ||
| Mechanical Properties | Metric | English | Comments | ||
| Tensile Strength, Yield | 35.0 MPa | 5080 psi | 50mm/min; ISO 527-2/1A | ||
| Elongation at Yield | 25 % | 25 % | 50mm/min; ISO 527-2/1A | ||
| Tensile Modulus | 1.20 GPa | 174 ksi | 1mm/min; ISO 527-2/1A | ||
| Flexural Modulus | 1.10 GPa | 160 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 | 120 µm/m-°C | 66.7 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; ISO 11357-1,-2,-3 | ||
| Deflection Temperature at 0.46 MPa (66 psi) | 124 °C | 255 °F | ISO 75-1, -2 | ||
| Deflection Temperature at 1.8 MPa (264 psi) | 64.0 °C | 147 °F | ISO 75-1, -2 | ||
| Processing Properties | Metric | English | Comments | ||
| Processing Temperature | 60.0 - 80.0 °C | 140 - 176 °F | Cavity temperature | ||
| <= 205 °C | <= 401 °F | to avoid burning and 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 - 100 °C | 176 - 212 °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 | |||
| De |
|||||
| Injection molding | Yes | ||||
| Injection speed | slow | ||||
| Pre-drying | Drying is suggested, depending on handling | ||||
| Processing conditions | ISO 9988-2 | ||||
| Profile extrusion | Yes | ||||
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