1. When we buy PVC hose in the market, we can see whether its color is uniform, whether the surface is smooth and comfortable, whether its section is honeycomb-shaped, and whether there are local undulations and height differences. If we bend it by hand, it is not easy to appear deformed and elastic; The crisp sound when tapping the surface with your hand indicates that the material of this PVC plastic hose is strong and the quality is better, while the inferior PVC plastic hose is very brittle and even cracked with a light break.
2, Secondly, we can get close to smell, whether it has some pungent smell, if you can obviously smell a pungent odor, it means that its PVC plastic hose has poor environmental performance, mostly made of inferior materials, it is not recommended to buy. In order to ensure the environmental protection and durability of PVC plastic hoses, it is recommended that you go to the local large building materials market or regular specialty stores to buy.
