| About |
|---|
| Hostaform® MT8U05 is an injection molding grade with a molecular weight for excellent moldability and optimum properties in demanding applications. The material can be identified by UV detectors. Hostaform® MT8U05 is a special grade developed for medical industry applications and complies with: CFR 21 (177.2470) of the Food and Drug Administration (FDA) and is listed in the Drug Master File (DMF 11559) and the Device Master File (MAF 1079) the corresponding EU and national registry regulatory requirements biocompatibility in tests corresponding to USP <88> Class VI/ISO 10993 low residual monomers no animal-derived constituents&& |
| Product Description | |
|---|---|
| Supplier | Celanese |
| Generic | Copolymer Polyformaldehyde |
| Material Status | Commercial: Active |
| Features | Excellent Processability,ADCF |
| Availabilitys | North America |
| Process Methods | Injection Molding |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.41 | g/cm³ | ISO 1183 |
| Melt Volume Rate | |||
| 190℃，2.16 kg | 8.00 | cm³/10min | ISO 1133 |
| Shrinkage rate | ISO 294-4 | ||
| TD | 1.8 | % | ISO 294-4 |
| MD | 2.0 | % | ISO 294-4 |
| Water absorption rate | |||
| Saturation, 23 ℃ | 0.65 | % | ISO 62 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Tensile modulus | 2850 | MPa | ISO 527-2/1A/1 |
| tensile strength | |||
| yield | 64.0 | MPa | ISO 527-2/1A/50 |
| Tensile strain | |||
| yield | 9.0 | % | ISO 527-2/1A/50 |
| Nominal tensile fracture strain | 30 | % | ISO 527-2/1A/50 |
| Tensile Creep Modulus（1 hr） | 2500 | MPa | ISO 899-1 |
| Tensile creep modulus | |||
| 1000 hr | 1300 | MPa | ISO 899-1 |
| Bending modulus | |||
| 23℃ | 2700 | MPa | ISO 178 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Charpy Notched Impact Strength | ISO 179/1eA | ||
| -30℃ | 6.0 | kJ/m² | ISO 179/1eA |
| 23℃ | 6.5 | kJ/m² | ISO 179/1eA |
| Charpy Unnotch Impact strength | ISO 179/1eU | ||
| -30℃ | 160 | kJ/m² | ISO 179/1eU |
| 23℃ | 180 | kJ/m² | ISO 179/1eU |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 1.8 MPa, unannealed | 104 | ℃ | ISO 75-2/A |
| Melting temperature | 166 | ℃ | ISO 11357-3 |
| Linear coefficient of thermal expansion | |||
| MD | 1.1E-4 | 1/℃ | ISO 11359-2 |
| Process Conditions | |||
|---|---|---|---|
| injection | Nominal value | Unit | Test method |
| Drying temperature | 120 to 140 | °C | |
| Drying time | 3.0 to 4.0 | hr | |
| Recommended maximum moisture content | 0.15 | % | |
| Hopper temperature | 20 to 30 | °C | |
| Barrel rear temperature | 170 to 180 | °C | |
| Barrel middle temperature | 180 to 190 | °C | |
| Barrel front temperature | 190 to 200 | °C | |
| Nozzle temperature | 190 to 210 | °C | |
| Processing (melt) temperature | 190 to 210 | °C | |
| Mold temperature | 80 to 120 | °C | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. 10°C/min |
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