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First of all, if you have experimental equipment, you can do the heat deformation temperature or Vicat softening point temperature to test its heat resistance, Izod impact test its impact resistance, as well as flexural modulus and elongation, tensile strength, and fire rating, etc. .

If it is used daily without any testing tools, it can be roughly identified based on the appearance of Liansu pvc pipes.

1. Regular pipe diameter and uniform thickness.

2. The color should not be yellowish, which may decompose or age during the processing of the material.

3. If the amount is large, you can take a small part to bend or beat hard to see if it has toughness.