Knowledge

It is flammable in case of fire, the flame is yellow, paraffin-like oil drips when burning, and there is gas when the candle burns. It is a non-toxic polyethylene film bag. If it is not easy to burn,

It feels lubricated by hand, and the surface seems to be coated with a layer of wax (chemically called wax feeling). This is a non-toxic polyethylene film bag, while the polyvinyl chloride film is a l

It can also be determined by determining whether the material contains chlorine, but because vinyl chloride copolymer, neoprene, polyvinylidene chloride, chlorinated polyvinyl chloride, etc. all conta

The specific gravity of PVC is 1.35~1.45, generally around 1.38. Polyvinyl chloride can be distinguished from other plastics by the difference in specific gravity or by measuring specific gravity. How

Solvent: tetrahydrofuran, cyclohexanone, ketone, dimethylformamide; Non-solvents: methanol, acetone, heptane. Add the suspected PVC plastic to the above solvent and observe the dissolution of the plas

PVC conventional identification methods are generally classified into the following three categories, namely: (1) Identification by combustion method: Softening or melting temperature range: 75~90°C;

Polyvinyl chloride (polyvinyl chloride), referred to as PVC, is a thermoplastic resin. Polyvinyl chloride futures are also futures varieties with polyvinyl chloride as the subject matter. Plastics: po

Household building materials with PVC as the main raw material have become the second pillar of my country's plastics industry, with an average annual growth rate of more than 15%. In the next 10 year

PVC wood-plastic composite material is a new type of composite material prepared from waste wood fiber and plastic as the main raw materials, supplemented by appropriate processing aids, and prepared

Add impact modifier and organic tin stabilizer to PVC, and it becomes a transparent sheet after mixing, plasticizing and calendering. It can be made into thin-walled transparent containers or used for

When soft PVC is mixed, an appropriate amount of foaming agent is added to make a sheet, which is foamed and formed into a foamed plastic, which can be used as foam slippers, sandals, insoles, and sho

Artificial leather with substrate is made by coating PVC paste on cloth or paper, and then plasticizing at above 100°C. It can also be made by calendering PVC and additives into a film first, and then