Hardeners for epoxy smol|polietilenpoliamin
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- Country of manufactureRussia
Description
Epoxies use as household glue. It is quite simple to use epoxy glue. Mixing of epoxy with a hardener as a rule is carried out in extremely small volumes (several grams) therefore hashing is made at the room temperature and does not cause difficulties, proportion accuracy a pitch/hardener when mixing depends on the producer of epoxy or a hardener, it is necessary to use only those proportions which are recommended by the producer as hardening time depends on it and physical properties of the turned-out product (derogation from the necessary proportion as a rule leads to change of time of hardening, in extreme cases it is possible to receive an unsteady product). As hardeners apply: hardeners cold trietilentetramin (TETA), polietilenpoliamin (PEPA), polisebatsinovy anhydride and hot hardening maleic anhydride (DETA). Usually standard proportion makes from 10:1 to 5:1, but in certain cases can reach to 1:1. It is forbidden to mix a large amount of pitch with a hardener without use of special devices for mixing in order to avoid boiling up at once.
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Hardeners for epoxy smol|polietilenpoliamin