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Process of making SMC sheet
Step 1. Paste Reservoir releases a measured amount of specified resin paste onto a plastic carrier film.
Step 2. This Film passes under a chopper which cuts the fiber (Glass fiber/carbon fiber) onto the surface.
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Step 3. Once these have moved to the depth of the resin paste another sheet is added on top of the fiber like a sandwich.
Step 4. Later these sheets are firmly pressed together and then stored in a form of a roll at a pre-determined thickness.
Step 5. Then these sheets are allowed to mature for 48 hours.
Advantages of SMC
• SMC is lightweight when compared to other materials from metal to BMC (Bulk Moulding Compound).
• Being light in weight does not make SMC weak. It is robust, long-lasting & resistant at high speed.
• While metals & minerals get easily corroded in acids & sea water, SMC is chemical corrosion resistant.
• SMC is a flame retardant material. To achieve a high flame retardancy several additives can be added.
• There is low emission of toxic smoke or hazardous gas from SMC.
• SMC also outperforms other materials in terms of electrical strength, water absorption, and surface resistance.
• The thermal stress is much more compact than that of metal.
• The service life of SMC is more than other materials.
• The simple process of SMC helps to produce in large quantities in a very short period.
• Manufacturers can save money as there is minimum labour cost & less wastage.
• Composites offer a high strength-to-weight ratio, which results in improved performance, easier installation, and better product transport, as well as lower environmental impact and fuel emissions.