| About |
|---|
| Product Description | |
|---|---|
| Supplier | SUQING |
| Generic | Paraformaldehyde |
| Material Status | Commercial: Active |
| Features | Good surface appearance,Good flexibility,HB,Solvent resistance,High liquidity,Low moisture absorption,Good disinfection,Good Rigidity,Good Dimensional Stability |
| Process Methods | Injection Molding |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Specific Gravity | 1.64 | ISO 1183 | |
| Molding Shrinkage | |||
| flow | 0.2-0.3 | % | ISO 294-4 |
| cross-flow | 0.3-0.5 | % | ISO 294-4 |
| Water Absorption | 0.28 | % | ISO 62 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Tensile Strength | 270 | MPa | ISO 527-2 |
| Tensile Modulus | 18450 | MPa | ISO 527 |
| Elongation at Break | 1.8 | % | ISO 527-1,2 |
| Flexural Strength | 380 | MPa | ISO 178 |
| Flexural Modulus | 17500 | MPa | ISO 178 |
| Poisson’s ratio | 0.32 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Izod Notched Impact strength | 11 | KJ/m² | ISO 180/1A |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| HDT | |||
| 1.8 MPa | 230 | ℃ | ISO 75-1/-2 |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| Flame Class Rating | |||
| 1.6 mm | HB | UL 94 |
| Process Conditions | |||
|---|---|---|---|
| Injection Molding | Nominal value | Unit | Test method |
| Drying Temperature | 110-120 | ℃ | |
| Drying Time | 2-4 | hr | |
| Mold Temperature | 120-140 | ℃ | |
| Melt Temperature | 250-290 | ℃ | |
| Notes |
|---|
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