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car body prototype bumpers
car body prototype bumpers
Supplier Info
[China Supplier]
Contact Person : Ms. Chung Cacti
Tel : 86-0755-29009609
Fax : 86-0755-81700061
Product Detail
material: PU resin prototype process: RIM(Reaction injection Molding) advantages: short production cycle,low cost.

The definition of RIM:

RIM (Reaction Injection Molding), is a Rapid Tooling process where parts are made from mixing and injecting PU materials into a mold and cured through a process of polymerization (molecular cross-linking) in a low pressure / room temperature environment.

                                                Our RIM machine


Three Mold : Epoxy resin mold(life>100shots)  ABS plastic mold ( life>300shots)  Aluminum mold ( life>1000shots )

Injection material: Dual injection process PU

Physical properties:PP/ABS, Part is durable, high impact, high degree of fit ,loading and unloading properties.

General curing time:15-30 minutes/piece, Part takes 2-4 houres to cure under 80c condition after mold release.

standard accuracy: 0.2mm/100mm

Thickness of mold part: max 100mm

Advantages of RIM process

Compared to Plastic Injection Molding, RIM (Reaction Injection Molding) is a more simple and convenient process with a shorter production cycle.


Compared to Vacuum Casting, RIM offers a higher level of automation and efficiency.


Compared to Thermo-Forming and Board Bonding, RIM is a more flexible design option.

RIM parts can be designed with elaborate surface details and Class A surfaces, with integrated structures and different wall thicknesses, and with machining stability and accuracy.



                                                      Car bumpers

car body prototype bumpers

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