The difference between CPVC and PVC: CPVC resin is obtained by chlorination modification of polyvinyl chloride (PVC) resin, which is a new type of engineering plastic. The product is white or light yellow odorless, odorless, non-toxic loose particles or powder; PVC After the resin is chlorinated, the irregularity of molecular bonds increases, the polarity increases, the solubility of the resin increases, and the chemical stability increases, thereby improving the heat resistance, acid, alkali, salt, oxidant, etc. corrosion of the material. , the mechanical properties of the numerical heat distortion temperature are improved, the chlorine content is increased from 56.7% to 63-69%, the Vicat softening temperature is increased from 72-82 ℃, (increased to 90-125 ℃), and the maximum operating temperature can reach 110 ℃ , the long-term use temperature is 90 ℃.
The main difference in use indicators is that the CPVC material will not be deformed after long-term use at a temperature of 90 degrees. The PVC material is deformed and softened over 60 degrees. CPVC has high strength and toughness PVC, and CPVC can withstand strong sulfuric acid, strong alkali and strong oxidant.
