Standard low molecular weight PVC processing aids primarily function to accelerate plasticization, improve melt flow, and polish product surfaces.

Foaming regulators retain all the functions of basic processing aids but feature ultra-high molecular weight and longer molecular chains. Their core advantage lies in significantly enhancing the strength and elasticity of the PVC melt during extrusion foaming, a feat unmatched by ordinary processing aids.

Core advantages in PVC foam board production:

Balanced plasticization and melt support

Promotes uniform melting of PVC resin and uniform dispersion of calcium carbonate, eliminating streaks, pits, and dark spots on the surface of finished boards.

Stable, fine closed-cell structure

Strong melt toughness locks the foaming gas firmly within the matrix, preventing bubble coalescence, cell rupture, core material collapse, and sheet shrinkage. This produces lightweight sheets with fine, uniform pores and stable density.

Wider processing tolerance

Insensitive to temperature and formulation fluctuations, supporting continuous high-speed extrusion, reducing scrap rates, and improving production efficiency.

Broad formulation compatibility

Perfectly matches calcium-zinc, organotin, and all major PVC stabilizer systems, ensuring consistent batch quality and providing complete COA test reports.

Main Applications

Celuka PVC foamed sheets (thin and thick specifications)

Interior decorative wall panels, advertising panels

WPC foamed sheets, lightweight furniture substrates

Our technical team provides free formulation optimization guidance, sample testing, and on-site process adjustment support to PVC compounding and extrusion plants worldwide. If you encounter problems such as uneven cell size, sheet shrinkage, or unstable foaming volume, please contact us, and we will provide you with targeted additive solutions.