What is hygroscopicity in plastic welding? | Trinetics Group

What is hygroscopicity in plastic welding?

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  4. What is hygroscopicity in plastic welding?

Hygroscopicity is the tendency of some thermoplastic materials to absorb moisture from the air.

When a polymer absorbs and retains moisture, it can affect the weldability of the material.

Nylon is very hygroscopic.

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