The characteristics and advantages of polypropylene PP ducts are widely used in environmental protection chemical projects. Summarize the following points in detail:

1. Long service life: under rated temperature and pressure, the PP duct can be safely used for more than 50 years.

2. Outstanding corrosion resistance: PP ducts can withstand the corrosion of most chemicals, and can withstand the corrosion of high-concentration acids and alkalis with a pH value of 1-14 in a wide range.

3. Higher rigidity: The PP duct is not easily deformed because of the addition of glass fiber reinforced materials.

4. Heat-resistant, heat-insulating and energy-saving PP ducts have a higher operating temperature of 95 degrees, and the thermal conductivity of PP ducts is only 1/200 of that of steel pipes, so it has a better heat preservation function .

5. Reliable connection function: The strength of the pp air duct hot melt interface is higher than that of the pipe body, and the joint will not be broken due to soil movement or load.

6. The PP air duct is light in weight, simple in the welding process, and easy to maintain.