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Can plastic replace the metal spring in the head of the body wash pump?

2020-03-24  1441

Can plastic replace the metal spring in the head of the body wash pump?

Plastic spring is not up to the national industry standards

Good quality emulsion nozzle, need to go through some technical indicators such as pulling force, plastic will not reach,

Now the production technology progress, can let the spring outside, not in the pump body, the surface can not see the spring, is afraid of the spring and bottled liquid containing acid or alkali for a long time contact will produce harmful chemical reactions to the human body.