Multi-functional Rubber Anti-recovery Curing Agent

PRODUCT NAME: Multi-functional Rubber Anti-recovery Curing Agent HVA-2

CHEMICAL NAME: N, N’ – m – Phenylenedimaleimide









Melting point

Heat loss

Ash content


Yellow powder



75-80℃ ≤0.5%




Yellow or brown powder, It is soluble in dioxane, tetrahydro furan and hot acetone; insoluble in petroleum ether, chloroform, benzene and water.


HVA-2(PDM)is a multi-function rubber agent. In the rubber process industry, it can be used as either curing agent, coagent for peroxide curing system or anti-scorcher and adhesion promoter. In addition to general-purpose rubber, it can be applied to special purpose rubber and rubber-plastic blends. It can solve the problem of copper wire blackening due to copper sulfide resulting form the reaction between copper wire and sulfur containing curing agents.


Anti-scorcher, 0.5-1.0 phr; curing agent 2-3 phr; For improving compression set, 1.5-2.0; For improving adhesive strength, 0.5-5.0 phr.


PE bag lined with PE film.Net weight:10kg/bag or 25kg/drum.

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