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This PU foaming equipment is configured according to high, medium and low density sponge foaming formulas, and can produce various British and American standard high rebound and slow rebound sponges.The yellowing resistance can reach the international standard 3-5 level, ordinary foam hardness 0-96.
link:https://www.demingmachine.com/foaming-machine/continuous-foaming-machine/pu-foam-production-line.html
PU Foam Production Line