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Question:

What is a rigid flame retardant pipe?

PVC flame retardant pipes have three kinds of ABC, heavy duty is not rigid flame retardant tube?

Answer:

Rigid flame retardant tube for rigid PVC tube, also known as PVC cold bending pipe, light, medium, heavy.
The rigid flame retardant tube is usually made of white hard material. It is refractory and connected directly with the head or screw joint. The diameter of the small tube can be bent by spring. It is the most widely used electric threading pipe in plastic pipes.
Pipe length 4m/ root, the color is white, pure white, bending needs special bending spring. Pipe connections using special joint insertion connection, the connection with the special surface coating adhesive, sealing interface.

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