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Factors affecting the brittleness of PVC pipes

Release time:

Jun 24,2024

PVC pipes have become popular building materials due to their low cost and durability. Pipes can be used for most drainage, water supply, and ventilation. PVC pipes may become brittle and prone to cracking when left unused for a long time. Next, let's take a look at the factors that affect them.

PVC pipes have become popular building materials due to their low cost and durability. Pipes can be used for most drainage, water supply, and ventilation. PVC pipes may become brittle and prone to cracking when left unused for a long time. Next, let's take a look at the factors that affect them.

1. UV irradiation

White PVC pipes will rupture when exposed to ultraviolet rays from the sun. Over time, ultraviolet radiation can cause polymer decomposition, decrease material flexibility, and lead to splitting and rupture.

2. Low temperature

With the arrival of winter, As the temperature drops, PVC pipes become increasingly brittle. Long term exposure to freezing temperature can make PVC brittle and prone to breakage. PVC is not suitable for installation in cold environments. Please avoid water freezing inside the pipeline, as this can directly cause pipeline rupture.

3. Years

Over time, all polymers will decompose to varying degrees, and PVC will seep out plasticizer materials. Plasticizers are added to PVC pipe during manufacturing to improve flexibility. Long time passed, plasticizers will slowly flow out of the pipe, making it difficult for the pipe to bend and causing ripples and cracking.

4. Chemical exposure

PVC pipes become brittle due to chemical exposure. As a polymer, chemicals have a chemical reaction on the composition of the pipes. The binding between plastic molecules relaxes, and plasticizers accelerate the flow out of the pipes. Exposure of drainage pipes to a large amount of chemicals can cause the pipes to become brittle.

In our daily use, it is necessary to take some protective measures for PVC pipes, which can effectively prevent them from becoming brittle and benefit our better use.

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