| About |
|---|
| Tenac™-C 7554 is an Acetal (POM) Copolymer product. It is available in Africa & Middle East, Asia Pacific, Europe, or North America. Applications of Tenac™-C 7554 include engineering/industrial parts and housings. Characteristics include: Flame Rated Copolymer Fast Molding Cycle High Flow Low Viscosity&& |
| Product Description | |
|---|---|
| Supplier | Asahi Kasei |
| Generic | Copolymer Polyformaldehyde |
| Material Status | Commercial: Active |
| Features | Low warping,High liquidity,Low Viscosity,Quick molding cycle,Copolymer,HB |
| Availabilitys | Africa & Middle East ,North America,Asia Pacific,Europe |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.41 | g/cm³ | ASTM D792 , ISO 1183 |
| Melt Flow Rate | |||
| 190℃，2.16kg | 30 | g/10min | ISO 1133 |
| Shrinkage rate | |||
| MD | 1.6 to 2.0 | % | Internal Method |
| Water absorption rate | |||
| 23℃，24hr，50% RH | 0.20 | % | ASTM D570 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Charpy Notched Impact Strength | 4.0 | kJ/m² | ISO 179 |
| Impact strength of cantilever beam notch | 33 | J/m | ASTM D256 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 0.45 MPa, unannealed | 158 | ℃ | ASTM D648 |
| 0.45 MPa, unannealed | 157 | ℃ | ISO 75-2/B |
| 1.8 MPa, unannealed | 110 | ℃ | ASTM D648 |
| 1.8 MPa, unannealed | 100 | ℃ | ISO 75-2/A |
| Linear coefficient of thermal expansion | |||
| MD | 1.0E-4 | 1/℃ | ASTM D696，ISO 11359-2 |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Surface resistivity | 1.0E+16 to 1.0E+17 | ohms | ASTM D257 |
| Volume resistivity | |||
| 23℃ | 1.0E+15 to 1.0E+16 | ohms·cm | ASTM D257 |
| Dielectric strength | 19 | kV/mm | ASTM D149 |
| Arc resistance | 250 | sec | ASTM D495 |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| Flame retardant level | |||
| 0.75 mm | HB | UL 94 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Rockwell hardness | ASTM D785 | ||
| M-level | 80 | ASTM D785 | |
| R-level | 115 | ASTM D785 | |
| Tensile modulus | 2900 | MPa | ISO 527-2 |
| tensile strength | |||
| yield | 66.0 | MPa | ISO 527-2 |
| — | 63.0 | MPa | ASTM D638 |
| Tensile strain | |||
| fracture | 25 | % | ASTM D638 , ISO 527-2 |
| Bending modulus | |||
| — | 2570 | MPa | ASTM D790 |
| — | 2700 | MPa | ISO 178 |
| bending strength | 91.0 | MPa | ASTM D790 |
| Taber abraser | 14.0 | mg | ASTM D1044 |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
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