| About |
|---|
| A 30% glass bead-filled grade for general injection molding Suitable for parts requiring low warpage, reduced sink marks, and dimensional stability&& |
| Product Description | |
|---|---|
| Supplier | Korea Engineering |
| Generic | Copolymer Polyformaldehyde |
| Material Status | Commercial: Active |
| Features | Low warping,Good Dimensional Stability,Copolymer,HB |
| Availabilitys | North America,Asia Pacific,Europe |
| Process Methods | Injection Molding |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | |||
| — | 1.63 | g/cm³ | ASTM D792 |
| — | 1.64 | g/cm³ | ISO 1183 |
| Melt Flow Rate | |||
| 190℃，2.16kg | 18 | g/10min | ASTM D1238 |
| 19 | g/10min | ISO 1133 | |
| Shrinkage rate | |||
| MD：2.0 mm | 1.5 | % | ASTM D955 |
| MD | 1.5 | % | ASTM D955 |
| Water absorption rate | |||
| Equilibrium, 23 ℃, 60% RH | 0.20 | % | ASTM D570 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| tensile strength | |||
| Yield, 23 ℃ | 57.0 | MPa | ASTM D638 |
| Fracture, 23 ℃ | 58.0 | MPa | ISO 527-2 |
| Tensile strain | |||
| Fracture, 23 ℃ | 4.0 | % | ASTM D638, ISO 527-2 |
| Bending modulus | |||
| 23℃ | 4040 | MPa | ASTM D790 |
| 23℃ | 4050 | MPa | ISO 178 |
| bending strength | |||
| 23℃ | 97.0 | MPa | ISO 178 |
| Yield, 23 ℃ | 96.0 | MPa | ASTM D790 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Charpy Notched Impact Strength | 2.5 | kJ/m² | ISO 179-1eA |
| Impact strength of cantilever beam notch | |||
| 3.2mm | 37 | J/m | ASTM D256 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 1.8 MPa, unannealed | 138 | ℃ | ASTM D648 |
| Melting peak temperature | 165 | ℃ | ASTM D3418 |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Surface resistivity | 1.0E+16 | ohms | ASTM D257，IEC 60093 |
| Volume resistivity | 1.0E+14 | ohms·cm | ASTM D257，IEC 60093 |
| Dielectric strength | 20 | kV/mm | IEC 60243-1 |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| 0.80 mm | HB | UL 94 |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. 10°C/min |
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