PVC Additive:Acrylic Processing Aid For PVC Foam Board PVC Pipe Additives Processing Aid For Profile
ZB-510 ZB-520 is an acrylic impact modifier. It is multi-graft copolymer made from butyl acrylate, methyl methacrylate monomer by emulsion polymerization process.
It is “core-shell” structure in sub-microcosmic. The core(rubber phase)is cross-linked Poly-BA, and the shell (plastic phase)is grafted Poly-MMA.
It can form homogenous phase while it co-plasticize with PVC because the solubility of Poly-MMA is close to pvc . The rubber phase will be distributed uniformly in tiny ball shape in PVC medium and form particular “sea-island” structure. This structure can absorbe and disperse the energy which is put on pvc rigid product by impact.
Item | ZB-510 | ZB-520 |
Appearance | White and easy fluid powder | |
Volatile matter,% ≤ | 1.5 | 1.5 |
Bulk density,g/cm³ ≥ | 0.35 | 0.35 |
Granularity(30 mesh passed)≥ | 98 | 98 |
Impurity particle number(10×10)cm²≤ | 20 | 20 |
Main application | To be used in window, window profile, pipe, fitting, board etc | To be used in window, window profile, pipe, fitting, board, etc |
Typical characteristic | Excellent property of fusion, fluidity and good impact resistance | Good fusion, fluidity and better impact resistance |
Improve fusion | 5 Stars | 4 Stars |
Enhance melt strength | 4 Stars | 3 Stars |
Melt viscosity | 4 Stars | 3 Stars |
Weatherability | 5 Stars | 4 Stars |
Impact resistance | 3 Stars | 4 Stars |
Main Application
It has excellent properties of impact .It is very suitable for rigid and semi rigid outdoor PVC product and the product which has higher request on impact and weatherability. It has excellent compatibility with pvc resin.It is granular, It can reduce the dusty pollution during production due to its uniform particle size.
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