1. The impact resistance of the aluminum-plastic pipe is relatively good. If the merchant agrees, you can hit the aluminum-plastic pipe with a hard object. If the aluminum-plastic pipe is deformed and cracked, it means that the quality of the pipe is not good enough, generally like A good quality aluminum-plastic pipe will return to its original state after being hit.
2. When selecting the material of the aluminum-plastic pipe, it is also necessary to observe the appearance of the product. Generally speaking, the aluminum-plastic pipe will have 5 layers. You can see from the side of the product whether the five layers are closely adhered together. The phenomenon of delamination occurs, whether the Lu layer in the middle will be rough, and whether there are air bubbles in the inner and outer layers. Will there be chromatic aberration, and whether the marking on the surface is even and so on.
3. In the process of purchasing, you can try to measure the surface to see if the surface is smooth, or you can touch the cutting part of the pipe with your hand to check the mouth of the pipe to see if there is any burr, and check if there is any inside. Smooth, when buying, you can choose the more famous aluminum-plastic pipe brand products.