| About |
|---|
| Tenac™ GN705 is an Acetal (POM) Homopolymer product filled with glass fiber. It is available in Africa & Middle East, Asia Pacific, Europe, or North America. Applications of Tenac™ GN705 include engineering/industrial parts and housings. Characteristics include: Flame Rated High Stiffness High Strength Homopolymer Low Viscosity&& |
| Product Description | |
|---|---|
| Supplier | Asahi Kasei |
| Generic | Paraformaldehyde |
| Material Status | Commercial: Active |
| Features | Homopolymer,Low Viscosity,Good Rigidity,HB |
| Availabilitys | Africa & Middle East ,Asia Pacific,North America,Europe |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | |||
| 1.56 | g/cm³ | ASTM D792 | |
| 1.59 | g/cm³ | ISO 1183 | |
| Melt Flow Rate | |||
| 190℃，2.16 kg | 10 | g/10min | ISO 1133 |
| Molding shrinkage | |||
| flow | 0.4-0.6 | % | Internal Method |
| across flow | 1.0-1.3 | % | Internal Method |
| Water Absorption | |||
| 24 h，23℃，50 % r.h. | 0.2 | % | ASTM D570 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Tensile Modulus | 9000 | MPa | ISO 527 |
| Tensile Stress | |||
| Broken BRK | 110 | MPa | ISO 527 |
| Broken BRK | 106 | MPa | ASTM D638 |
| Elongation at Break | |||
| Broken BRK | 6.0 | % | ASTM D638 |
| Broken BRK | 2.0 | % | ISO 527-1,2 |
| Flexural Modulus | |||
| 8200 | MPa | ASTM D790 | |
| 8500 | MPa | ISO 178 | |
| Flexural Strength | 173 | MPa | ASTM D790 |
| Taber Abrasion | 23 | mg | ASTM D1044 |
| Rockwell hardness | |||
| M-Scale | 90 | M Scale | ASTM D-785 |
| R-Scale | 120 | R Scale | ASTM D-785 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Charpy Notched Impact Strength | 7.0 | kJ/m² | ISO 179 |
| Izod Notched Impact strength | 66 | J/m | ASTM D256 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature HDT | |||
| 0.45 MPa | 174 | ℃ | ASTM D648 |
| 0.45 MPa | 175 | ℃ | ISO 75-1/-2 |
| 1.8 MPa | 170 | ℃ | ASTM D648 |
| 1.8 MPa | 171 | ℃ | ISO 75-1/-2 |
| Coeff. of linear thermal expansion | |||
| Flow | 4E-5 | cm/cm/℃ | ASTM D696 |
| Flow | 4E-5~9E-5 | cm/cm/℃ | ISO 11359-2 |
| Transverse | 9E-5 | cm/cm/℃ | ASTM D696 |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| Flame Class Rating | |||
| 0.75 mm | HB | UL 94 |
| Process Conditions | |||
|---|---|---|---|
| Injection Molding | Nominal value | Unit | Test method |
| Drying Temperature | 80-90 | ℃ | |
| Drying Time | 3-4 | hr | |
| Melt Temperature | 190-210 | ℃ | |
| Mold Temperature | >60 | ℃ | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
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