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- Polyram RamTal PM8427 Acetal, Impact modified
Polyram RamTal PM8427 Acetal, Impact modified
| Category | Polymer , Thermoplastic , Acetal (POM) , Acetal Copolymer, Impact Modified |
| Manufacturer | Polyram |
| Trade Name | |
| Port | Ningbo port,China |
| Trade Terms | FOB, CFR, CIF |
| Payment Terms | L/C, T/T, Western Union |
| Download PDF | Polyram RamTal PM8427 Acetal, Impact modified.pdf  |
| Price | EMAIL US sales@lookpolymers.com |
Material Notes:
Impact modified polyacetal for injection molding applicationsInformation provided by Polyram Ram On Ind.
| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Density | 1.38 g/cc | 0.0499 lb/in³ | DIN 53479 |
| Water Absorption | 0.20 % | 0.20 % | DIN 53495 |
| Linear Mold Shrinkage | 0.020 - 0.023 cm/cm | 0.020 - 0.023 in/in | |
| Melt Flow | 9.0 g/10 min @Load 2.16 kg, Temperature 190 °C |
9.0 g/10 min @Load 4.76 lb, Temperature 374 °F |
ISO 1133 |
| Mechanical Properties | Metric | English | Comments |
|---|---|---|---|
| Hardness, Rockwell R | 77 | 77 | ASTM-D785 |
| Tensile Strength, Yield | 40.0 MPa | 5800 psi | ASTM-D638 |
| Elongation at Break | 70 % | 70 % | ASTM-D638 |
| Flexural Strength | 60.0 MPa | 8700 psi | ASTM-D790 |
| Flexural Modulus | 2.10 GPa | 305 ksi | ASTM-D790 |
| Izod Impact, Notched | 0.900 J/cm @Temperature 23.0 °C |
1.69 ft-lb/in @Temperature 73.4 °F |
ASTM-D256 |
| Thermal Properties | Metric | English | Comments |
|---|---|---|---|
| Melting Point | 165 °C | 329 °F | |
| Deflection Temperature at 0.46 MPa (66 psi) | 145 °C | 293 °F | DIN 53461 |
| Deflection Temperature at 1.8 MPa (264 psi) | 85.0 °C | 185 °F | DIN 53461 |
| Electrical Properties | Metric | English | Comments |
|---|---|---|---|
| Volume Resistivity | 1.00e+13 ohm-cm | 1.00e+13 ohm-cm | DIN 53482 |
| Surface Resistance | 1.00e+12 ohm | 1.00e+12 ohm | DIN 53482 |
| Dielectric Constant | 4.2 @Frequency 1e+6 Hz |
4.2 @Frequency 1e+6 Hz |
VDE 0303/4 |
| Dielectric Strength | 24.0 kV/mm | 610 kV/in | VDE 0303/4 |
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