| About |
|---|
| LNP THERMOCOMP KF004AL is a compound based on Acetal Homopolymer resin containing 20% Glass Fiber. Added features of this material include: Low Extractible.&& |
| Product Description | |
|---|---|
| Supplier | SABIC |
| Generic | Paraformaldehyde |
| Material Status | Commercial: Active |
| Features | Low extract |
| Availabilitys | North America,Asia Pacific |
| Process Methods | Injection Molding |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.57 | g/cm³ | ASTM D792 |
| Shrinkage rate | |||
| MD：24 hrs | 0.40 | % | ASTM D955 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Tensile modulus | 8620 | MPa | ASTM D638 |
| tensile strength | |||
| fracture | 60.7 | MPa | ASTM D638 |
| Tensile strain | |||
| fracture | 3.7 | % | ASTM D638 |
| Bending modulus | 7580 | MPa | ASTM D790 |
| bending strength | 110 | MPa | ASTM D790 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Impact strength of cantilever beam notch | |||
| 23℃ | 420 | J/m | ASTM D256 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 1.8 MPa, unannealed, 3.2 mm | 149 | ℃ | ASTM D648 |
| Process Conditions | |||
|---|---|---|---|
| injection | Nominal value | Unit | Test method |
| Drying temperature | 82 | °C | |
| Drying time | 4.0 | hr | |
| Barrel rear temperature | 177 to 188 | °C | |
| Barrel middle temperature | 193 to 204 | °C | |
| Barrel front temperature | 210 to 221 | °C | |
| Processing (melt) temperature | 199 to 216 | °C | |
| Mold temperature | 82 to 110 | °C | |
| Back pressure | 0.172 to 0.344 | MPa | |
| Screw speed | 30 to 60 | rpm | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. 2.0 in/min |
| 3. Type 1A |
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