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What is flame treatment machine?

火焰机

 

Flame treatment is the most widely used and cost effective pre-treatment for polyethylene (HDPE, LDPE, UHMW) and polyolefin based plastics prior to polymer bonding or printing. It consists of exposing the surface to be coated to a suitable oxidizing flame during a short period of time (0.2 to 3 sec.).

The resulting change of the surface by creating an oxidized surface greatly improves the liquids ability to wet-out the surface thus creating a strong adhesive bond between the surface and the coating.

 

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flame treatment machine

such as HDPE, LDPE, UHMW and olefinic-based plastics demonstrate poor liquid wettability due to its low surface energy. To create a viably bondable surface condition to these types of plastics, it must be surface treated by creating a superficial oxidized surface to increase its dynamic surface tension.

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Post time: Apr-06-2023