| About |
|---|
| 增韧聚甲醛，优异的韧性，良好的耐疲劳性，耐蠕变，耐化学药品性好，尺寸稳定性好 |
| Product Description | |
|---|---|
| Supplier | Kingfa |
| Generic | Copolymer Polyformaldehyde |
| Material Status | Commercial: Active |
| Features | Good flexibility,Good Dimensional Stability,Fatigue resistance,Solvent resistance |
| Availabilitys | Asia Pacific |
| Technical Data | |||
|---|---|---|---|
| MECHANICAL | Nominal value | Unit | Test method |
| tensile strength | |||
| 10 mm/min | 40 | MPa | ISO 527-2 |
| Tensile strain | |||
| Fracture, 10 mm/min | 60 | % | ISO 527-2 |
| bending strength | |||
| 2 mm/min | 45 | MPa | ISO 178 |
| Bending modulus | |||
| 2 mm/min | 1250 | MPa | ISO 178 |
| Rockwell hardness | |||
| R-level | 105 | ISO 2039-2 | |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 0.45 MPa | 135 | ℃ | ISO 75-2 |
| 1.8 MPa | 70 | ℃ | ISO 75-2 |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Volume resistivity | 10^16 | ohms·cm | IEC 60093 |
| Dielectric strength | |||
| 2 mm in oil | 21 | KV/mm | IEC 60243-1 |
| other | Nominal value | Unit | Test method |
|---|---|---|---|
| Water absorption rate | |||
| Equilibrium, 23 ℃, 50% RH | 0.2 | % | ISO 62 |
| Flame retardant level | |||
| 1.60 mm | HB | UL 94 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Impact strength of cantilever beam notch | |||
| 23℃ | 18 | kJ/m² | ISO 180 |
| PHYSICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Shrinkage rate | 1.8-2.2 | % | ISO 2577 |
| Density | 1.36 | g/cm³ | ISO 1183-1 |
| Process Conditions | |||
|---|---|---|---|
| injection molding | Nominal value | Unit | Test method |
| Melt temperature | 180~210 | °C | |
| Temperature of the rear section of the barrel | 170~190 | °C | |
| Temperature in the middle section of the barrel | 175~200 | °C | |
| Temperature of the front section of the material barrel | 180~210 | °C | |
| Mold temperature | 50-90 | °C | |
| Processing upper limit temperature | 220 | °C | |
| Injection molding speed | 中速to高速 | ||
| Pre-drying | 80～100°C，4～6hr | ||
| Notes |
|---|
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