1. How many degrees below zero will the ppr water pipe freeze and crack?
Normally, it will be frozen and cracked at minus 20 degrees. Its raw material is polypropylene. Although the hardness is excellent at normal temperature, it will become brittle once it is lower than 0 degrees, which is often referred to as cold brittleness, especially in the pipeline. In the presence of water, at minus 20 degrees, it is easy to freeze and expand to break the pipeline.
This type of pipe can withstand high temperature but not low temperature, but it is very environmentally friendly to use, and is usually used in the transportation of daily drinking water.
Second, what are the tips for purchasing ppr pipes
Whether it is a sewer pipe or a wiring pipe, it is necessary to choose the appropriate pipe material. The characteristics of different pipes are different. We must be careful when purchasing to avoid being deceived. The following are some tips for purchasing pipes.
1. When purchasing, you must first touch it with your hands to see if the outer layer is smooth and neat, balanced and meticulous. If the outer layer is uneven or has a prominent graininess, do not buy it, because this type of pipe has other components added to it. of impurities.
2. Pinch the high-quality pipe with your hands. Normally, it is very strong. No matter how you pinch it, it will not easily change its shape.
3. There are many brands of pipes on the market. When purchasing, it is necessary to choose a business with a good name and a large scale. Such pipes are of excellent quality, the probability of failure will be small, and the after-sales service is excellent.