Description
SMC (Sheet Molding Compound) is a high-performance composite material made from unsaturated polyester resin and reinforced fibers, carefully formulated and molded. Known for its excellent mechanical properties, heat resistance, and electrical performance, SMC sheet molding compound is widely used in industries such as automotive, electrical, and construction. This material is not only ideal for molding complex shapes but also meets the demands of large-scale production.
Features
High mechanical strength and impact resistance
Good toughness and wear resistance
Excellent high-temperature performance
Superior electrical insulation properties
Flame retardant, meeting multiple safety standards
Low shrinkage and dimensional stability
Applications
Automotive Industry: Dashboards, body structure components, lightweight high-strength parts
Electrical Industry: Electrical equipment housings, insulation materials, high-voltage components
Construction Industry: Structural parts and decorative elements requiring strength and appearance
Consumer Electronics: Enclosures and structural components ensuring durability and safety
Technical Data Sheet
| SMC Sheet Molding Compound |
| Property | Unit | Method | Typical value |
| Density | g/cm3 | ISO62(Method 1) | 1.85 |
| Water absorption 2.0mm in thickness | % | ISO62(Method 1) | ≤0.30 |
Flexural strength perpendicular to laminations - under normal room temperature | MPa | ISO178:2001 | ≥130 |
| Flexural strength perpendicular to laminations - under 130℃ | MPa | ISO178:2001 | ≥90 |
| Tensile strength | MPa | ISO527 | ≥50 |
| Compressive Strength under 130℃ | MPa | ISO604:2002 | ≥150 |
| Temperature of deflection under load Tf=1.8MPa | ℃ | ISO75-2:2003 | ≥220 |
| Temperature index(TI) Long-term heat resistance temperature | ℃ | IEC60216 | 155 |
| Insulation Resistance | Ω | IEC60167:1964 | ≥1.0x1012 |
| Insulation resistance after 24 h water immersion | Ω | IEC60167:1964 | ≥1.0x1010 |
| Dielectric strength step by step in oil at 23℃,Thickness 1-3mm | kV/mm | IEC60243 | ≥12.0 |
| Relative Permittivity(50Hz) | _ | IEC60250 | ≤4.5 |
| Dielectric dissipation factor(50Hz) | _ | IEC60250 | ≤0.015 |
| Arc Resistance | S | IEC61621 | ≥180 |
| Tracking Resistance(CTI) | V | IEC60112 | ≥600 |
| Flammability | Class | UL94 | V-0 |