With the RIM technique, we process polyurethane into compact foam, integral rigid foam, and semi-rigid foam.
First two components are mixed, and the resulting compound is injected into a tool where it hardens as a result of a crosslinking reaction. This process is particularly well suited to the production of large, thin-walled components.
Like the RIM process, the RRIM process mixes various components and injects them into a mold where they cure to form polyurethane. But unlike the RIM process, a reinforcing material such as fiberglass is added. This increases the durability of components produced. The process is therefore particularly well suited to components that have special robustness requirements (e.g. bumpers).
In the SRIM process, a glass fiber mat placed in the mold is surrounded by a reaction compound of rigid polyurethane foam. The reinforcement component is therefore completely enclosed in the PUR compound. This increases the durability of components produced even more than the RRIM process. This manufacturing method is therefore well suited to components with special mechanical property requirements.
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