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SMC/DMC

SMC (Sheet Molding Compound) and DMC (Dough Molding Compound) are ready-to-mold composite materials made from polyester resin reinforced with glass fibers and fillers. These materials are commonly used in compression and injection molding processes to manufacture durable, heat-resistant, and electrically insulated components.

SMC and DMC both materials offer excellent dimensional stability, high strength, and surface finish quality, making them ideal for mass production in automotive, electrical, and industrial applications.


Description
Key Features
Applications

SMC is a sheet-form material consisting of chopped glass fiber mats impregnated with a thickened polyester resin paste. It is stored in rolls and cut into required sizes before molding.

DMC, on the other hand, is a thick, dough-like material also made of resin, glass fiber, and additives. It is supplied inbulk form and used directly for molding.

Both materials offer excellent dimensional stability, high strength, and surface finish quality, making them ideal for mass production in automotive, electrical, and industrial applications.

Key Features

  • High Mechanical Strength: Both SMC and DMC offer superior tensile and flexural strength, suitable for structural parts and enclosures.

  • Excellent Electrical Insulation: They exhibit outstanding dielectric properties, making them ideal for switchgear and circuit breaker components.

  • Corrosion and Flame Resistance: Formulated with flame-retardant additives and corrosion-resistant resins for reliable performance in demanding environments.
  • Good Surface Finish: Capable of producing Class A surfaces, making them suitable for visible or painted components.
  • Efficient Processing: Fast cycle times with minimal waste make SMC and DMC highly suitable for high-volume production.

Applications

  • Automotive body panels and bumpers

  • Headlamp reflectors and fuse boxes

  • Electrical switchgear and circuit breakers

  • Meter boxes and enclosures