| About |
|---|
| Product Description | |
|---|---|
| Supplier | DuPont |
| Generic | Paraformaldehyde |
| Material Status | Commercial: Active |
| Features | Excellent Processability,Heat Resistance, Good |
| Availabilitys | Africa & Middle East ,North America,Latin America,Asia Pacific,Europe |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.42 | g/cm³ | ISO 1183 |
| Melt Volume Rate | |||
| 190℃，2.16 kg | 14.0 | g/10 min | ISO 1133 |
| Shrinkage rate | ISO 294-4 | ||
| TD | 1.8 | % | ISO 294-4 |
| MD | 1.9 | % | ISO 294-4 |
| Water absorption rate | |||
| Saturation, 23 ℃ | 0.9 | % | ISO 62 |
| 23℃，50%RH | 0.2 | % | ISO 62 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Charpy Notched Impact Strength | ISO 179/1eA | ||
| -30℃ | 7.0 | kJ/m² | ISO 179/1eA |
| 23℃ | 8.0 | kJ/m² | ISO 179/1eA |
| Charpy Unnotch Impact strength | ISO 179/1eU | ||
| -30℃ | 260 | kJ/m² | ISO 179/1eU |
| 23℃ | 260 | kJ/m² | ISO 179/1eU |
| Impact strength of cantilever beam notch | ISO 180/1A | ||
| -40℃ | 8.0 | kJ/m² | ISO 180/1A |
| 23℃ | 8.0 | kJ/m² | ISO 180/1A |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 1.8 MPa, unannealed | 110 | ℃ | ISO 75-1/-2 |
| 0.45 MPa, unannealed | 160 | ℃ | ISO 75-1/-2 |
| Melting temperature | 178 | ℃ | ISO 3146C |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Tensile modulus | 3400 | MPa | ISO 527-1/-2 |
| tensile strength | |||
| yield | 73.0 | MPa | ISO 527-1/-2 |
| Tensile strain | |||
| yield | 12 | % | ISO 527-1/-2 |
| fracture | 40 | % | ISO 527-1/-2 |
| Nominal tensile fracture strain | 25 | % | ISO 527-1/-2 |
| Bending modulus | 3100 | MPa | ISO 178 |
| Rockwell hardness | ISO 2039-2 | ||
| R-level | 120 | ISO 2039/2 |
| Process Conditions | |||
|---|---|---|---|
| Injection | Nominal value | Unit | Test method |
| Rear melt temperature | 210-220 | °C | “null” |
| Rear mold temperature | 80-100 | °C | “null” |
| Recommended maximum moisture content | ＜0.20 | % | “null” |
| Maintaining pressure | 80.0-100 | MPa | “null” |
| Notes |
|---|
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