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In the market, all of the raw materials are the PA6/PA66, as we know the equilibrium water absorption rate of PA6 is 3.5%, and the equilibrium water absorption rate of PA66 is 2.5%.

PA6/PA66 exhibits the best toughness when reaching equilibrium water absorption.

In the former, we have explained, in cold and dry winter, when the air humidity is low, the water absorption capacity of the nylon injection molding tie cannot reach the equilibrium water absorption rate, resulting in water loss and severe water loss, leading to brittle fracture or lock tooth detachment of the nylon tie during use.

The general solution is to allow the nylon tie to absorb appropriate moisture, and after 3 to 7 days of standing, the brittle fracture phenomenon will disappear, and the toughness of the tie will be restored.-Wuhan MZ Electronic