PVC Processing Aids

For foaming WPC

For foaming WPC


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  • Description
  • Parameter
For foaming WPC
 PVC foaming regulators developed by our company are actually acrylic processing aids and have all characteristics of acrylic processing aids. The only difference between them is that the molecular weight of foaming regulators is much more higher than that of acrylic processing aid.
According to the different applications,our PVC foaming regulator has been divided into 4 groups:
● 0~8mm thin foaming board:ZZ-430,ZZ-769
● 8~15mm thin foaming board:ZZ-538,ZZ-568
● more than 15mm thick foaming board:DL-588,ZZ-598
● foaming shoes:ZZ-528
Functions of PVC foaming regulators:
There are three purposes for filling the foaming regulators into PVC foaming products:
● promote the fusion of PVC compound.
● increase the melt strength of PVC so as to prevent from bubble amalgamation for obtaining even foaming products.
● ensure perfect flow of PVC melt for obtaining smooth surface of PVC finished products.
Technical specifications:
Items Unit PVC foaming regulators (types)
ZZ-430 ZZ-769 ZZ-528 ZZ-538 ZZ-568 ZZ-588 ZZ-698
White powder White powder White powder White powder White powder White powder White powder
Sieve residue(30mesh) %≤ 2.0 2.0 2.0 2.0 2.0 2.0 2.0
Volatile content %≤ 1.5 1.5 1.5 1.5 1.5 1.5 1.5
Bulk density g/cm3 0.4±0.05 0.4±0.05 0.45±0.05 0.45±0.05 0.45±0.05 0.45±0.05 0.45±0.05
Intrinsic Viscosity η 11.0-13.0 10.5-11.5  
11.0-12.0 11.0-12.0 12.0-13.0 12.5-13.5
Remarks :If customers have special requirements with regard to the above data or need additional test items, please  notify us and we will mange to meet your requirements.
Performance comparison list for different PVC foaming regulators:
PVC Foaming regulators (types)
Type Melt strength Type Fusion time Type Molecular weight
ZZ-598 High zz-598 Fast zz-598 High
ZZ-588 ZZ-588 ZZ-588
ZZ-538 ZZ-538 ZZ-538
ZZ-528 ZZ-528 ZZ-528
ZZ-430 ZZ-430 ZZ-430
ZZ-769 LOW ZZ-769 SLOW ZZ-769 LOW
PVC foaming regulators are used to produce PVC foaming sheet,foaming WPC etc
Recommend using dosage:7-15kg per 100kg PVC resin.
■Packaging and Storage:
25kg/bag: PP valve bag with PE liner
550kg/sack: PP bag with PE liner
It should be stored in cool and dry surroundings, with shelf life of two years, it can be still used if qualified by inspection after shelf life.