Due to its high chemical stability, PVC resin SG5 can be used to make anti-corrosion pipelines, pipe fittings, oil pipelines, centrifugal pumps and blowers, etc. The rigid board of PVC is widely used in the chemical industry to make the lining of various storage tanks, corrugated boards of buildings, door and window structures, wall decorations and other building materials. Due to its excellent electrical insulation properties, it can be used in the manufacture of plugs, sockets, switches and cables in the electrical and electronic industries. In daily life, PVC resin SG5 can be used to male sandals, raincoats, toys, etc.
Packaging and transportation: Packed in an outer composite kraft paper woven bag. The net content of each bag is 25kg. It is strictly forbidden to used sharp tools during transportation, loading and unloading, so as to damage the packaging bags.
In industrial fields, the viscosity or K value is commonly used to express the average molecular weight or average degree of polymerization. The molecular weight of the resin is related to the physical and mechanical properties of products. The higher the molecular weight, the higher the tensile strength, impact strength and elastic modulus of products, but the fluidity and plasticity of the resin melt decrease. At the same time, different synthesis processes lead to differences in the shape of the resin. The most common one is the loose resin produced by the suspension method, commonly known as SG type PVC resin. SG5 PVC resin the K value of 66-68 absorbs plasticizers quickly, and the plasticizing speeding is fast.
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