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Why can't 502 glue stick plastic?

constant dripping wears away a stone
Favorable reply

Operation method

Some people found that many things can be firmly glued with 502, but plastic seems to be unable to be glued, and most bottles of 502 are plastic. Now let's briefly introduce why 502 cannot be glued with plastic!

502 This kind of glue will not dissolve and react with articles in the process of use. It can achieve adhesion and effect through curing.

The 502 glue needs heat exchange during the curing process (the little partner who has been stuck by the 502 glue may know that the glue drops on the hand will feel hot, which is the obvious external manifestation of heat exchange). The faster the curing, the faster the bonding.

However, polyethylene, also known as plastic, is an inactive molecule, which is not easy to exchange heat when sticking, so 502 cannot play its role as it does on objects composed of other active molecules.

hot tip

When using 502, be sure to keep away from eyes, and cover the lid after use!

constant dripping wears away a stone 2024-05-11 21:04:36
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