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2019-9-28Polyvinyl chloride coloring
Polyvinyl chloride has poor thermal stability and light resistance. Hydrogen chloride starts to decompose at 150 ° C, and an adverse reaction occurs with the amount of plasticizer. In addition, the ef -
2019-9-28Polyvinyl chloride migration and weatherability
Mobility Mobility occurs only in plasticized PVC articles and when dyes or organic pigments are used. The so-called migration is a partially soluble dye or organic pigment present in the surroundin -
2019-9-28PVC stability and electrical properties
stability The softening point of the polyvinyl chloride resin is low, about 75-80 ° C, and the embrittlement temperature is lower than -50 ~ -60 ° C. The long-term use temperature of most products -
2019-9-28
PVC physical and chemical properties
The natural color is yellowish translucent and shiny. Transparency is better than polyethylene, polypropylene, and is different from polystyrene. It is divided into soft and hard polyvinyl chloride ac -
2019-9-28Pvc material properties
Hard polyvinyl chloride (PVC-U) pipe fittings for water supply Density 1380 kg/m3 Young's modulus of elasticity (E) 2900-3400 MPa Tensile strength (σt) 50-80 MPa Elongation @ break 20-40% -
2019-9-28PVC molding conditions
PVC hard pvc Tube temperature: 160-190 ° C Mold temperature: 40-60 ° C Drying temperature: 80 ° C x 2h Injection pressure: 700-1500kg/cm2 Density: 1.4g/cm3 Mold shrinkage: 0.1-0.5% -
2019-9-28
PVC material processing
Polyvinyl chloride plastics vary in shape and vary widely, and they can be processed in a variety of ways, including pressing, extrusion, injection, and coating. The particle size, fisheye, bulk densi -
2019-9-28Main use of PVC
1. Polyvinyl chloride profile Profiles and profiles are the largest areas of PVC consumption in China, accounting for about 25% of total PVC consumption. They are mainly used for the production of -
2019-9-28PVC to replace steel and wood materials
Through the research on PVC modification technology, the advanced internal plasticization process and additive formula are used to ensure the mechanical and electrical properties of PVC plastic steel -
2019-9-28PVC synthetic material
Polyvinyl chloride, abbreviated as PVC, is a thermoplastic resin. Polyvinyl chloride futures are also futures varieties with polyvinyl chloride as the target. -
2019-9-28
PVC identification method
The conventional PVC identification methods are generally classified into the following three categories, namely: (1) Identification of combustion method: Softening or melting temperature range: -
2019-9-28Power Transformers
The power transformer is a soft magnetic electromagnetic component whose functions are power transmission, voltage conversion and insulation isolation. It is widely used in power supply technology and