| About |
|---|
| Plaslube® POM HO GF20 TL20 is an Acetal (POM) Homopolymer product filled with glass fiber. It can be processed by injection molding and is available in North America. Characteristics include: Flame Rated Homopolymer Lubricated&& |
| Product Description | |
|---|---|
| Generic | Paraformaldehyde |
| Material Status | Commercial: Active |
| Features | Lubricating,Homopolymer,HB |
| Availabilitys | North America |
| Process Methods | Injection Molding |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.68 | g/cm³ | ASTM D792 |
| Shrinkage rate | |||
| MD：3.2 mm | 0.40 | % | ASTM D955 |
| Water absorption rate | |||
| 24hr | 0.22 | % | ASTM D570 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Impact strength of cantilever beam notch | |||
| 23℃，3.2mm | 53 | J/m | ASTM D256 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 1.8 MPa, unannealed | 147 | ℃ | ASTM D648 |
| 0.45 MPa, unannealed | 169 | ℃ | ASTM D648 |
| Melting temperature | 177 | ℃ | |
| Linear coefficient of thermal expansion | |||
| MD | 4.7E-5 | 1/℃ | ASTM D696 |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Volume resistivity | 1.0E+14 | ohms·cm | ASTM D257 |
| Dielectric strength | 16 | kV/mm | ASTM D149 |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| 1.60 mm | HB | UL 94 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| tensile strength | |||
| fracture | 58.6 | MPa | ASTM D638 |
| Tensile strain | |||
| fracture | 5.0 | % | ASTM D638 |
| Bending modulus | 4720 | MPa | ASTM D790 |
| bending strength | 73.8 | MPa | ASTM D790 |
| Rockwell hardness | |||
| R-level | 82 | ASTM D785 |
| Process Conditions | |||
|---|---|---|---|
| injection | Nominal value | Unit | Test method |
| Drying temperature | 93 | °C | |
| Drying time | 2.0 to 3.0 | hr | |
| Barrel rear temperature | 193 to 218 | °C | |
| Barrel middle temperature | 193 to 218 | °C | |
| Barrel front temperature | 193 to 218 | °C | |
| Processing (melt) temperature | 193 to 227 | °C | |
| Mold temperature | 82 to 104 | °C | |
| Back pressure | 0.345 to 0.689 | MPa | |
| Screw speed | 30 to 60 | rpm | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. Method A (Short-Time) |
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