Tag Archives: pva roller? pva sponge

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PVA Sponge Roller Pore Foaming Mechanism

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PVA Sponge Roller Pore Foaming Mechanism There are several foaming mechanism for PVA roller sponge, the commonly use technique is the foaming mechanism using starch as foaming agent.  Apart from using starch as foaming agent, there also have non-starch process and using gas injection. PVA Sponge Roller Forming Agents During the reaction stage, the starch […]

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