Reaction Injection Molding, also known as low pressure injection molding, is a new process applied to the Rapid Molding Production. Parts made from mixing and injecting PU materials into a rapid mold and cured through chemical process of polymerization, cross linking in a low pressure and room temperature environment. With high efficiency, short production cycle, low cost advantages, RIM suitable for small-batch trial production during product development, as well as production of small-volume products with simple structures and large thick-walled and non-uniform wall thickness products.
Technical parameters:
1, Applicable mold:
ABS simple mold (50-100 pieces); Silicone mold (100-500 pieces); Rapid Aluminum Mold (500--1000 pieces):
2, Casting material: PU polyurethane.
Physical properties: similar to PP / ABS. Products with anti-aging, impact resistance, high consistency, easy handling and so on.
3, General working time: 20-30 minutes / piece, Rapid Prototype Mold release temperature can be controlled at about 40 ℃, after demolding the parts cured at 80 ℃ for 2-4 hours will be better. The curing time depends on the different materials and product size.
4, Accuracy: accuracy will be different with different product structure and product wall thickness,usually it will be ± 0.20mm / 1mm.
5, Casting thickness: the best thickness is 4 ~ 8mm and the maximum thickness is 20mm.
6, The largest size: 2000mmX1200mmX1000mm, product weight is about 10KG.
7, The minimum size: more than 500mm and 1kg of weight will be better.
Because of high efficiency, short production cycle, low cost production runs, Rex offers the best RIM processing solutions & assure fast deliveries worldwide.
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