| About |
|---|
| Sindustris POM HI516W is an Acetal (POM) Homopolymer material. It is available in Asia Pacific for injection molding. Important attributes of Sindustris POM HI516W are: Impact Modified Impact Resistant Typical applications include: Automotive Engineering/Industrial Parts&& |
| Product Description | |
|---|---|
| Generic | Paraformaldehyde |
| Material Status | Commercial: Active |
| Features | High impact resistance |
| Availabilitys | Asia Pacific |
| Process Methods | Injection Molding |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.33 | g/cm³ | ASTM D792 |
| Melt Flow Rate | |||
| 190℃，2.16kg | 9.0 | g/10min | ASTM D1238 |
| Shrinkage rate | |||
| MD：3.2 mm | 1.7 to 2.0 | % | ASTM D955 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Impact strength of cantilever beam notch | |||
| 23℃，6.4mm | 73 | J/m | ASTM D256 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | ASTM D648 | ||
| 0.45 MPa, unannealed, 6.4 mm | 79.0 | ℃ | ASTM D648 |
| 1.8 MPa, unannealed, 6.4 mm | 150 | ℃ | ASTM D648 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Rockwell hardness | |||
| R-level | 64 | ASTM D785 | |
| tensile strength | |||
| Yield, 3.20 mm | 41.9 | MPa | ASTM D638 |
| Tensile strain | |||
| Fracture, 3.20 mm | 67 | % | ASTM D638 |
| Bending modulus | |||
| 3.20 mm | 1420 | MPa | ASTM D790 |
| bending strength | |||
| 3.20 mm | 47.3 | MPa | ASTM D790 |
| Process Conditions | |||
|---|---|---|---|
| injection | Nominal value | Unit | Test method |
| Drying temperature | 80 to 110 | °C | |
| Drying time | 2.0 to 3.0 | hr | |
| Recommended maximum moisture content | 0.10 | % | |
| Barrel rear temperature | 160 to 180 | °C | |
| Barrel middle temperature | 170 to 190 | °C | |
| Barrel front temperature | 180 to 200 | °C | |
| Nozzle temperature | 180 to 200 | °C | |
| Processing (melt) temperature | 200 to 220 | °C | |
| Mold temperature | 80 to 110 | °C | |
| Back pressure | 0.490 to 3.04 | MPa | |
| Screw speed | 80 to 110 | rpm | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. 2.0 in/min |
| 3. 0.051 in/min |
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