What are the performance Pvc board

Pvc section of pvc board is made ??of sheet metal as raw honeycomb mesh structure , is a vacuum plastic film for packaging of various types of panel surface . General characteristics of PVC resin is a white or pale yellow powder , relative density of 1.35-1.45 . How much hardness of products can be adjusted by adding plasticizers copies. Pure PVC water absorption and permeability are very small.

So the four performance pvc board and how? Mechanical properties of PVC has high hardness and mechanical properties. And with increasing molecular weight increased, but decreased with increasing temperature . Good mechanical properties of rigid PVC , the elastic modulus of up to 1500-3000MPa. And an elastic soft PVC 1.5-15 MPa. However, the elongation at break of 200% -450 % up . PVC friction in general, static friction factor of 0.4-0.5 , dynamic friction coefficient of 0.23 .

Thermal properties of thermal stability of PVC is very poor , 140 ℃ decomposition begins , the melting temperature is 160 ℃. Low coefficient of linear expansion of PVC with flame resistance , oxidation index up to 45 or more.

PVC is a better electrical performance of the electrical properties of the polymer , but because of their polar , electrically insulating and not as PP PE. Permittivity , dielectric loss tangent and volume resistivity greater good corona resistance , generally suitable for low-voltage and low-frequency insulation.

PVC is resistant to most of the environmental performance of inorganic acids , alkalis, salts, most organic solvents. Suitable for pharmaceutical, chemical corrosion materials.