PVC Counter-Flow Square Cooling Tower Packing

Applicable to any specification of Xinling cooling towers

1. Temperature resistance of PVC water-coated sheet materials
In common hot water fluid delivery systems, compared with ABS, PP, PPR, PB, PEX, etc., PVC has the maximum practical continuous operating temperature, which can reach up to 93℃. Others such as PVC and ABS cannot meet the 80℃ common hot water requirement, while PP, PPR, etc. have very limited pressure-bearing capacity at high temperatures. The service life of the system is also very short and lacks reasonable practicality. This can be clearly understood from the following comparison table made by the ISO International Standardization Organization. Long-term ring stress comparison of 82℃ LTHS - In an 82℃ hot water environment, the changes in the material's ring stress during continuous operation, the linear turning point indicates that the material is no longer suitable for pressure bearing. Thus, we can prove that PVC not only maintains the maximum pressure bearing capacity at the same hot water temperature, but also provides the longest service life.

2. Corrosion resistance of PVC water-coated sheet Materials
CPVC, due to its high content of stabilized chlorine atoms, has excellent chemical corrosion resistance. Its overall corrosion resistance lies between that of PVC and PVDF. It shows inert reactions to most inorganic acids, bases, salts, and high-molecular-weight aliphatic hydrocarbons, and has good resistance to strong oxides and halogens.

3. Weather Resistance of PVC water-coated sheet Materials
PVC water-coated sheet materials have an extremely outstanding performance in terms of usability. The main reason lies in the special CPVC material formula. An appropriate amount of titanium dioxide and other professional ultraviolet inhibitors provide CPVC with strong UV resistance. Compared with the PVC water-coated sheet materials currently produced by general manufacturers, there is already a significant difference.

4. Durability of PVC water-coated sheet Materials
PVC water spray sheet material is produced with the aim of pursuing the maximum usage efficiency. It is constantly experimented and improved on the original material and manufactured according to the demands of cooling tower manufacturers, meeting the time and economic requirements of cooling tower manufacturers. Product temperature resistance and service life.

5. Fire Resistance of PVC water-coated sheet Materials
Fire resistance is the most prominent property of PVC. PVC has the characteristics of being unable to burn by itself, not promoting combustion, carbonizing during combustion without melting and dripping, and having a low smoke emission. Its LOI (Limiting Oxygen Index) can reach up to 46, making it the material with the highest combustion safety assessment grade among general plastics. It is also currently the only plastic material that has been permitted by international fire protection system certification institutions such as UL in the United States, FM, and LPCB in the United Kingdom for use in fire sprinkler pipe systems, and has been used in China for nearly 20 years.

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