PP HEAT-RESISTANT ANTI-NOISE DRAINAGE PIPES AND FITTINGS

Huida PP heat-resistant antinoise drainage pipes are produced by three-layer co-extrusion process. The inner and outer layers are made ofpolypropylene, and the middle layer is made of viscoelastic polypropylene after special treatment, which can effectively absorb and mitgate thekinetic energy of vibration. Compared with the traditional drainage plpe. ts greatest characteristic is excellent ant-nolse effect, which is 20 dB lower.than ordinary plastic pipes and 10 dB lower than cast iron pipes.