Styrene acrylonitrile, also known as SAN resin, is a thermoplastic resin produced by free radical copolymerization of styrene and acrylonitrile. In its molecular structure, styrene segments endow the material with good toughness and processing flowability, while acrylonitrile segments provide rigidity, chemical corrosion resistance, and high-temperature dimensional stability.

1. Improve the surface quality of products:It can be used for the production of products such as sheets, profiles, and injection molded parts. Reduce defects such as melt fracture and surface roughness, making the surface of the product smoother and smoother, and improving the quality of the appearance product

2. PVC foam products: It is an industry standard additive for PVC foam products, which can effectively adjust the cell density and size, greatly improve the melt strength of PVC materials, effectively wrap the foam gas, form a uniform honeycomb cell structure, prevent gas from escaping, reduce product density, and improve the impact strength and surface quality of foam products.

3. PVC pipes and pipe fittings: It can promote PVC gel, improve melt fluidity, make the extrusion process of pipes and pipe fittings more smooth, reduce extrusion pressure fluctuations and flow scars, and avoid surface problems such as ripples and zebra stripes. At the same time, it can improve the thermal strength of the melt, prevent the pipe from cracking during extrusion, and help improve the dimensional stability and internal quality of the product.

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