Hand lay-up contact molding

Hand Lay-Up (Contact Molding). A layer of liquid resin is applied to the surface of the mold. A layer of glass fiber mat (low strength) or fabric (high strength) is hand laid over it. Liquid resin is poured over it, and brushed or rolled (squeegeed) into it. The process is repeated to build up the desired thickness of the product. The assembly is allowed to stand until cured. 

Hand lay-up (contact molding) method was used for preparation of jute/polyester composite laminates. 1.5% catalyst (MEKP) and 1.5% accelerator (eobalt naphthenate) was used for room temperature cure of isophthalic polyester resin. Filler (eal-cium carbonate) was added up to 40% by weight of resin. Fiber eontent in eomposite... 

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