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What is SMC?
- Sheet Molding Composite
- Chemically thickened, glass fiber reinforced molding compound
- Used in hot press molding process
- Specifically formulated for each end use application
- Contains ½ to 2 inch chopped roving
- Can be compression or injection composite molding
Molded Composite Choices
- SMC -Sheet Molded Composites
- BMC -Bulk Molded Composites
- RRIM -Reinforced Reaction Injection Molding
- SRIM -Structural Reaction Injection Molding
- RTM -Resin Transfer Molding
- LCM -Liquid Composite Molding
Why Use SMC?
- Parts consolidation
- Rapid composite molding
- Ease of handling
- Good balance of mechanical / electrical / corrosion properties
- Good dimensional stability
- Good repeatability
- Low cost
SMC Markets
- Transportation:
- Doors
- Hoods
- Roofs
- Valve Covers
- Electrical:
- Circuit Breakers
- Boxes
- Housings
- Consumer:
- Bath Tubs/Showers
- Doors
- Basketball Backboards
- Industrial:
- Man way Covers
- Drip Trays
SMC Composition
- Resin & LPAs 20-30%
- Fillers 15-50%
- Fiberglass 20-50%
- Other 3-7%
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