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Shenzhen Strongd Model Technology Ltd. Professional OEM Customized Metal&Plastic prototyping Supplier!
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Custom PU GF Reaction Injection Molding Products for Auto Bumper

Custom PU GF Reaction Injection Molding Products for Auto Bumper

Brand Name : StrongD
Model Number : Custom made
Certification : ISO9001:2008, SGS-CSTC
Place of Origin : Shenzhen,China
MOQ : 1pcs
Price : reasonable and negotiate
Payment Terms : T/T, Western Union,paypal, MoneyGram
Supply Ability : 300,000 sets/Month,
Delivery Time : General 25-30 working days
Packaging Details : Carton with foam wrapped, PE bags
Material : White PU
Materials Morphology : Liquid
CNC Machining or Not : not
Micro Machining or Not : not
Quotation leadtime : within 24 hours
Business Type : Manufacturer&factory
Tolerance : +/-0.1mm
avaliable files : step/stp/igs/x_t/stl
Material Capabilities : ABS,PC,PP,PMMA,PA,POM,PTFE,ect
Color : White
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Custom PU GF Reaction Injection Molding Products for Auto Bumper

Reaction injection molding (RIM),Rapid Molding technology

Reaction injection molding (RIM) is similar to injection molding except thermosetting polymers are used, which requires a curing reaction to occur within the mold. Common items made via RIM include automotive bumpers, air spoilers, and fenders.


1. Reaction injection molding can produce strong, flexible, lightweight parts which can easily be painted. It also has the advantage of quick cycle times compared to typical vacuum cast materials.
2. Another advantage of RIM processed foam is that a high-density skin is formed with a low-density core.
3. It has more bigger size prototype when compared with VCM technology, and it is suitable for products with heavy thickness and the surface without sink marks
4. The cost and product development period is decreased when it contrasted to traditional tooling technology.


The most common RIM processable material is polyurethane. Two parts of the polyester resin are mixed together. And then reinforcing agents glass fibers is added to the mixture. This process is known as reinforced reaction injection molding (RIM).

Service Step for a Project


Reaction injection molding is mainly used for small batch trial in the product development process. The main applications is in the medical, industrial products,auto parts, beauty, sports and leisure equipment, etc. It is particularly applicable for annual production of dozens, hundreds, thousands of pieces of small batch production.

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Rim Reaction Injection Molding


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