TOKYO, Sept. 19, 2018 /Kyodo JBN-AsiaNet/ --
Polyplastics Co., Ltd., a leading global supplier of engineering thermoplastics, has completed an extensive study which confirms the viability of polyphenylene sulfide (PPS) for bump-off molding of automotive engine cooling systems. Polyplastics' linear DURAFIDE (R) PPS, which already offers superior performance over rivals like nylon 66, now has bump-off molding capabilities to eliminate deburring.
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(Image: https://kyodonewsprwire.jp/img/201809127866-O1-H350z52k)
Bump-off molding results in an undercut that "bumps" in two directions and ejects from the mold without using a sliding structure. The parting line (mold lip) goes away, allowing for a burr-less mold. Previously, PPS had limited use in bump-off molding of engineering parts due to its fragility.
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