| About |
|---|
| Menzolit® SMC 0390 is a sheet moulding compound based on unsaturated polyester resin. The product is glass fibre reinforced and contains mineral fillers. In case of fire the product doesn’t melt, neither does it form droplets nor is smoke generation excessive. The material is compression moulded in heated steel moulds. It is recommended to work with chrome plated tools. The product contains no halogens. Menzolit® SMC 0390 is a standard low profile SMC. Because of its low shrinkage, the material shows good surface quality as well as very low warpage. The product is suitable for applications if a better surface quality is necessary that can not be achieved with low shrink material. Because of the low shrinkage, tool design is more difficult and the user should take care for proper part demoulding. Typical applications are furniture, telephone boothes, business machines and housings or covers that call for improved surface quality and dimensional stability. Because of this painting may be desired. Paint adhesion of appropriate paint systems is very good. Chromeplating of punch and cavity surfaces is recommended.&& |
| Product Description | |
|---|---|
| Generic | 热固性聚酯 |
| Material Status | Commercial: Active |
| Features | Low warping,Good surface appearance,Low smoke,Good Dimensional Stability,Low contractility,Halogen free,Flame Characteristics,High Heat Resistance,Good bond,HB |
| Availabilitys | Europe |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.90 | g/cm³ | ISO 1183 |
| Shrinkage rate | |||
| — | 0.020 | % | ISO 2577 |
| — | 0.0 | % | DIN 53464 |
| Water absorption rate | |||
| Saturation, 23 ℃ | < 0.50 | % | ISO 62 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Tensile modulus | |||
| Compression Molding | 12000 | MPa | ISO 527-2 |
| tensile strength | |||
| Yield, molding | 86.0 | MPa | ISO 527-2 |
| Tensile strain | |||
| Fracture, molded | 1.5 | % | ISO 527-2 |
| Bending modulus | |||
| Compression Molding | 10000 | MPa | ISO 178 |
| bending strength | |||
| Compression Molding | 182 | MPa | ISO 178 |
| compressive strength | 90.0 | MPa | ISO 14126 |
| Poisson’s ratio | 0.30 | Internal Method | |
| Matrix Crazing Strain | 0.40 | % | Internal Method |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Charpy Notched Impact Strength | |||
| Compression Molding | 82 | kJ/m² | ISO 179 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 1.8 MPa, unannealed | > 200 | ℃ | ISO 75-2/A |
| Continuous use temperature | 165 | ℃ | Internal Method |
| Glass transition temperature | 170 | ℃ | DSC |
| Linear coefficient of thermal expansion | |||
| MD | 1.0E-5 | 1/℃ | ISO 11359-2 |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| 3.00 mm | HB | UL 94 |
| Process Conditions | |||
|---|---|---|---|
| injection | Nominal value | Unit | Test method |
| Mold temperature | 135 to 150 | °C | |
| Injection pressure | 8.00 to 10.0 | MPa | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. Post Molding Shrinkage |
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