China PVC resin for SPC flooring factory and suppliers

PVC resin for SPC flooring

short description:

PVC resin, the physical appearance is white powder, non-toxic, odorless. Relative density 1.35-1.46. It is thermoplastic, insoluble in water, gasoline and ethanol, expandable or soluble in ether, ketone, fatty chlorohy-drocarbons or aromatic hydrocarbons with strong anti–corrosiveness, and good dieletric property.

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Product Tags

PVC resin for SPC flooring,
PVC resin K67 used to produce SPC flooring,
Raw material for SPC flooring

1.PVC resin: The use of ethylene method five type resin, strength toughness is better, environmental protection.

2. The fineness of calcium powder: Because the addition proportion is large, it directly affects the formula cost, processing performance and wear and product performance of the screw barrel, so the coarse calcium powder can not be selected, and the fineness of calcium powder is beneficial to 400-800 mesh.

3. Internal and external lubrication: Considering the high temperature residence time of the material in the extruder, as well as the performance of the material and the stripping force, it is recommended to use high-performance wax to control the small amount of use, and use different wax to meet the initial and medium – and long-term lubrication requirements.

4.ACR: Due to the high calcium powder content of SPC floor and high plasticization requirements, in addition to the control of screw type and processing technology, it is necessary to help plasticization by adding additives, and ensure that the melt has a certain strength and has a certain ductility in the calendering process.

5. Toughening agent: The floor not only needs low shrinkage rate, good rigidity, but also needs a certain toughness, the rigidity and toughness need to balance each other, to ensure the firmness of the lock, not soft at high temperatures, and maintain a certain toughness at low temperatures. The toughness of CPE is good, but the addition of a large number of components reduces the rigidity of PVC, the softening temperature of Vica, and the shrinkage rate becomes larger.

6. Dispersant: Because there are more components and the proportion of calcium carbonate is relatively large, the infiltration and dispersion treatment of calcium carbonate and the dispersion of each component are very important. The dispersion can not only improve the processing performance but also improve the performance of the product, improve the stripping cycle, reduce and delay the wear of the screw barrel.

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