IPDB › China Industry › Chemicals
China, Chinese PVC Sg5 Resin Pipe Sg3 Sg8/CAS 9002-86-21 Industrial Products Supplier Manufacturer Details, price list catalog:
China Industrial Products Supplier Manufacturer List Catalog
Packaging MaterialsStretch FilmPVCEthylene Vinyl Alcohol Copolymer
GYF BIOTECH LTD.
Preview:
Product Description Product DescriptionPolyvinyl chloride, referred to as PVC(Polyvinyl chloride), is vinyl chloride monomer (vinyl chloride monomer, referred to as VCM) in peroxide, azo compounds and other initiators; Or under the action of light and heat according to the mechanism of free radical polymerization polymerization polymer. Vinyl chloride homopolymer and vinyl chloride copolymer are called vinyl chloride resin.PVC is a white powder of amorphous structure, the branching degree is small, the relative density is about 1.4, the glass transition temperature is 77~90 ° C, about 170 ° C begins to decompose, the stability of light and heat is poor, above 100 ° C or after a long time of sunlight exposure, it will decompose and produce hydrogen chloride, and further automatic catalytic decomposition, causing discoloration, physical and mechanical properties are also rapidly declining, In practical applications, stabilizers must be added to improve the stability of heat and light.The molecular weight of industrial PVC is generally in the range of 50,000 ~ 110,000, and has a large polydispersity, and the molecular weight increases with the decrease of polymerization temperature; Without fixed melting point, 80-85 oC began to soften, 130oC into viscoelastic state, 160~180oC began to change into viscoelastic state; It has good mechanical properties, tensile strength of about 60MPa, impact strength 5~10kJ/m2; It has excellent dielectric properties.PVC was once the world's largest production of general purpose plastic, the application is very wide. In building materials, industrial products, daily necessities, floor leather, floor tiles, artificial leather, pipe, wire and cable, packaging film, bottles, foam materials, sealing materials, fibers and other aspects are widely used.Test ItemsQuality IndexTest ResultsExperiment MethodColor particles, pcs/kg≤200SH/T 1541.1Large grain + small grain, g/kg≤100.3Melt mass flow rate (2.16kg, 190°C) , g/10min0.16-0.240.19GB/T 3682.1Density (23*C) , g/cm30.952-0.9560.9546GB/T 1033.2Tensile yield stress, MPa≥22.025.9GB/T 1040.2Tensile nominal strain at break, %Measured825Flexural modulus, MPa≥8001121GB/T 9341Environmental stress cracking time (F50), h≥20>35GB/T 1842Yellow index≤4.0-4.4HG/T 3862Detailed Photos
Purchasing Request
Note: Send your purchase request, and we will screen suppliers or manufacturers for you free of charge...