RIM, RRIM and SRIM

RIM molding is a kind of molding process that mixes two or more high-active raw materials under pressure, impinge-mix through the mixing head and inject into the mold to produce prototypes along with the chemical reaction. RIM molding can be used to produce fender, body panels and other large parts.

RRIM (enhanced reaction injection) molding is a kind of RIM moulding that adds fiber or filler in the liquid raw material components. RRIM moulding can produce good impact of the car shells, such as car door panels.

SRIM (structural reaction injection) molding produces roof frame, shell, trunk lid, bumper and so on. The glass fiber reinforced SRIM bumper produced by KAIAO for one of the top car manufacture in China, weighs about 3.45kg (7. 6lb) and it perfectly replaces the original steel bumper which is about 7kg. That is 50% of weight reduction and impact resistance also improves. KAIAO’s RRIM Polyurethane products have been used as a rear panel for the German Volkswagen.

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Posted in RIM

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