The PP plastic air duct is also called polypropylene plastic air duct, which is used for exhaust gas exhaust in the laboratory. The square PP duct is usually used as the main duct and branch duct with the PP circular duct. The square PP air duct is made of PP sheet through a bending machine, four times of 90-degree elbows, and then hot-melt welding. There are many processes. Compared with square ducts, the price of square ducts is higher for round ducts with the same circumference or cross-section. Of course, it also depends on the wall thickness of the square PP duct and whether it is reinforced by the outer flange.

Features of square PP plastic air duct

• No corrosion: The square PP plastic air duct can withstand the PH value in a wide temperature range, ranging from 1 to 14 high concentrations of acid and alkali corrosion.

• Wear-resistant and non-scaling: PP plastic air duct and duct fittings have uniform and smooth inner walls, with low flow resistance and no scaling.

• Reduce vibration and noise: PP plastic air duct has excellent sound insulation performance, which can significantly reduce vibration and noise caused by liquid flow.

• Anti-freeze cracking: PP material has excellent elasticity so that the ducts and duct sections can expand with the frost heaving liquid without cracking.

• Anti-condensation, low heat loss: PP material is a poor heat conductor, which can reduce condensation and reduce heat loss.

• Simple installation: PP plastic air duct are light in weight, easy to install and operate, and are weldable.

• Long service life: PP piping system has a service life of up to 50 years under specified conditions of use.