As part of its ongoing drive to reduce weight and reduce environmental impact, Japanese car maker Mazda claims to have developed a new supercritical fluid (SCF) injection moulding technology that it says can reduce resin use by as much as 30%.
The company is combining SCF foaming technology with a core back expansion moulding process to produce microcellular foam parts. It says the technology allows improved control of the structure of the foam, opening up opportunities in thermal and acoustic performance optimisation.
A spokeswoman for Mazda said it is using foaming technology from Trexel in the US, and has patented ways to combine it with the core back process. The core back moulding process was originally developed by Mitsubishi Chemical.
Mazda is working with injection machinery maker Japan Steel Works on the project.
The car maker says it will start using the technology on 2011 model year vehicles, although it has not given an indication on the types of components it will initially focus on.
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