... higher melt strength, better fusion and fluidity, promote gelation of PVC. It make the gas, generated from decomposition while vesicant is ... it intertwists with the PVC molecular chain, the strength and elasticity of the melt body is improved greatly.It can have ... Series with ultra-high viscosityMain ApplicationTo be used in rigid PVC foamed board, pipe, window and fitting, window, etcPVC fitting, ...