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Composite Manufacturing (3083-CM)

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Composite Manufacturing (3083-cm)
  

Overview of Composite Manufacturing (3083-CM)

— The top market segments for composite products are Transportation (Aircraft, Automotive, Truck, Rail, Bus, Marine, and RV), Construction, Wind Power, and Pipe & Tank. Professional Plastics offers a full-range of materials using the production of general and advanced composites through our locations in the USA, Singapore & Taiwan.

The prepreg is laid into the tool and several consumable products are placed on top, usually a Peel Ply, Release Film, Breather Fabric and Vacuum Bagging Film. Vacuum is applied for part consolidation. Release films are used to separate the plastic carbon reinforced parts from the mold and other tools after the cure of the resin. Vacuum bags are used to seal the whole of the composite laminate, including the other vacuum consumables, to the tooling surface. A vacuum is then applied in order to apply atmospheric pressure to the component. This pressure can be increased in an autoclave, or maintained for a standard, one-atmosphere cure cycle at the chosen cure temperature. Sealant tapes (Tacky Tape) are used to provide an integral seal between the tool surface and the vacuum bag. Sealant tapes are manufactured from a blend of synthetic rubbers combined with inert fillers. These provide the optimum combination of properties required for sealing against a variety of tool surfaces, such as composite, metal or glass and for the subsequent curing of the composite. Breather fabric performs two functions during the cure cycle. The first, as the name suggests, is to allow the vacuum stack to breathe. This breathing function ensures that the air sealed under the vacuum bag can be easily extracted. It also provides a path for the flow of any entrapped air, or volatiles, from within the laminate during the cure cycle.

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