类别：聚合物；热塑性；聚甲醛（POM）；乙缩醛共聚物，无筋
材料说明：Ultraform s1320 0021 UNC是一种易于流动，快速冷冻增强刚度和热变形性能注塑POM等级。它是高度稳定的抗攻击燃料，包括热柴油。
物性表：| Physical Properties | Metric | English | Comments | ||
|---|---|---|---|---|---|
| Density | 1.41 g/cc | 0.0509 lb/in³ | ISO 1183 | ||
| Water Absorption | 0.80 % | 0.80 % | ISO 62 | ||
| Moisture Absorption at Equilibrium | 0.20 % | 0.20 % | 23°C/50% R.H.; ISO 62 | ||
| Melt Flow | 12.9 g/10 min @Load 2.16 kg, Temperature 190 °C |
12.9 g/10 min @Load 4.76 lb, Temperature 374 °F |
ISO 1133 | ||
| Mechanical Properties | Metric | English | Comments | ||
| Ball Indentation Hardness | 155 MPa | 22500 psi | ISO 2039 | ||
| Tensile Strength | 6.37 MPa @Time 2.59e+6 sec |
925 psi @Time 720 hour |
Storage in biodiesel DIN 14214 at +140°C | ||
| 6.37 MPa @Time 1.04e+7 sec |
925 psi @Time 2880 hour |
Storage in biodiesel DIN 14214 at +140°C | |||
| 6.37 MPa @Time 1.81e+7 sec |
925 psi @Time 5040 hour |
Storage in biodiesel DIN 14214 at +140°C | |||
| Tensile Strength, Yield | 66.0 MPa | 9570 psi | 50mm/min; ISO 527 | ||
| Elongation at Break | 30 % | 30 % | ISO 527 | ||
| Elongation at Yield | 9.0 % | 9.0 % | ISO 527 | ||
| Modulus of Elasticity | 3.00 GPa | 435 ksi | ISO 527 | ||
| Izod Impact, Notched (ISO) | 5.50 kJ/m² | 2.62 ft-lb/in² | ISO 2039 | ||
| Charpy Impact Unnotched | 17.0 J/cm² | 80.9 ft-lb/in² | ISO 179 | ||
| 17.0 J/cm² @Temperature -30.0 °C |
80.9 ft-lb/in² @Temperature -22.0 °F |
ISO 179 | |||
| Charpy Impact, Notched | 0.550 J/cm² | 2.62 ft-lb/in² | ISO 179 | ||
| 0.550 J/cm² @Temperature -30.0 °C |
2.62 ft-lb/in² @Temperature -22.0 °F |
ISO 179 | |||
| Tensile Creep Modulus, 1000 hours | 1450 MPa | 210000 psi | ISO 899 | ||
| Electrical Properties | Metric | English | Comments | ||
| Volume Resistivity | 1.00e+12 ohm-cm | 1.00e+12 ohm-cm | IEC 60093 | ||
| Surface Resistance | 1.00e+15 ohm | 1.00e+15 ohm | IEC 60093 | ||
| Dielectric Constant | 3.7 @Frequency 100 Hz |
3.7 @Frequency 100 Hz |
IEC 60250 | ||
| 3.7 @Frequency 1.00e+6 Hz |
3.7 @Frequency 1.00e+6 Hz |
IEC 60250 | |||
| Dielectric Strength | 40.0 kV/mm | 1020 kV/in | IEC 60243-1 | ||
| Dissipation Factor | 0.0020 @Frequency 100 Hz |
0.0020 @Frequency 100 Hz |
IEC 60250 | ||
| 0.0050 @Frequency 1.00e+6 Hz |
0.0050 @Frequency 1.00e+6 Hz |
IEC 60250 | |||
| Comparative Tracking Index | 600 V | 600 V | Test Solution A; IEC 60112 | ||
| 600 V | 600 V | Test Solution B; IEC 60112 | |||
| Thermal Properties | Metric | English | Comments | ||
| CTE, linear, Parallel to Flow | 11.0 µm/m-°C @Temperature 23.0 - 55.0 °C |
6.11 µin/in-°F @Temperature 73.4 - 131 °F |
DIN 53752 | ||
| Melting Point | 171 °C | 340 °F | DIN 53765 | ||
| Maximum Service Temperature, Air | 100 °C | 212 °F | |||
| Deflection Temperature at 1.8 MPa (264 psi) | 100 °C | 212 °F | ISO 75 | ||
| Vicat Softening Point | 150 °C | 302 °F | (50 °C/h / 50N) - B/50; ISO 306 | ||
| Processing Properties | Metric | English | Comments | ||
| Melt Temperature | 190 - 230 °C | 374 - 446 °F | |||
| Mold Temperature | 60.0 - 120 °C | 140 - 248 °F | |||
| De |
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| Color | Natural | ||||
| Commercial Status | North America and Europe | ||||
| Impact Modified | No | ||||
| Primary Processing Technique | Injection Molding | ||||
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