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SMC Tuck Roof Mold

2023-10-18

SMC is a mixture of polymer resin, insert fillers, fiber reinforcement, catalysts, pigments, stabilizers, release agents, and thickeners. Manufacturing SMC is a continuous, in-line process. This process produces high-strength, complex parts in a wide variety of sizes. Matched metal dies are mounted in a hydraulic molding press. The material charge is manually or robotically placed in the mold; the heated mold halves are closed, and up to 2000 psi of pressure is applied. Cycle time ranges from one to five minutes, depending on part size and thickness. Features such as ribs, bosses and inserts can be molded in.

Compression-molded fiberglass parts are characterized by net size and shape, two excellent finished surfaces, and outstanding parts-to-part repeatability. Trimming and finishing costs are minimal. In-mold coatings and a vacuum system in the tool are available to improve surface paintability, eliminating the need for primer. Color compounds can be customized.

The advantages of SMC-molded parts are as follows:

1. Good dimensional stability, including excellent thermal resistance

2. Pigmentable for molded-in color; best appearance with mold texture

3. Excellent property retention in cold and hot environments.

4. Suitable for outdoor use in applications involving UV exposure and water.

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