




| Properties | Test Standards | Units | Typical Values | ||
| SMC-2070 | SMC-6016 | SMC-3090 | |||
| Fiberglass Content | GB/T 15568-2008 | wt% | 28 | 30 | 25 |
| Unit Weight |
| kg/m | 4.0±0.2 | 4.0±0.2 | 4.0±0.2 |
| Molding Temperature |
| ℃ | 135-155 | 135-155 | 135-155 |
| Shrinkage |
| % | 0.07±0.03 | 0.1±0.03 | 0.08±0.03 |
| Density | GB/T 1463-2005
| g/cm3 | 1.75±0.03 | 1.70±0.03 | 1.76±0.03 |
| Tensile Strength | GB/T 1447-2005 | MPa | ≥65 | ≥65 | ≥50 |
| Tensile Modulus | GB/T 1447-2005 | GPa
| ≥9 | ≥9 | ≥9 |
| Poison’s Ratio | GB/T 1447-2005 |
| 0.25-0.35 | 0.25-0.35 | 0.25-0.35 |
| Flexural Strength | GB/T 1449-2005 | MPa | ≥140 | ≥170 | ≥120 |
| Flexural Modulus | GB/T 1449-2005 | GPa | ≥9 | ≥9 | ≥9 |
| Impact Strength | GB/T 1451-2005 | kJ/m2 | ≥60 | ≥70 | ≥50 |
| Heat Distortion Temp. | GB/T 1634-1979 | ℃ | ≥220 | ≥220 | ≥220 |
| Fire Retardancy | UL-94 |
| 3.0mm,V0 | 1.5mm,HB |
|
| Limited Oxygen Index | GB/T 8924-2005 | % | ≥35 | ≥32 | ≥28 |
| Main Features |
|
| Fire retardance/ Static resistance | Fire retardance/ Electrical resistance | Fire retardance/ Electrical resistance |
| Application |
|
| Electrical parts | Injection grade SMC | Electrical boxes |
| Property | SMC Composite | Metal Enclosures |
| Electrical Insulation | Excellent | Requires additional insulation |
| Corrosion Resistance | Excellent | May corrode |
| Weight | Lightweight | Heavier |
| Design Flexibility | High | Limited |
| Maintenance | Low | Higher |
Yes. SMC composites offer excellent weather resistance, corrosion resistance, and UV stability, making them suitable for outdoor electrical installations.