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    Home > Coatings News > Paints and Coatings Market > The main quality indicators of epoxy resin

    The main quality indicators of epoxy resin

    • Last Update: 2020-03-04
    • Source: Internet
    • Author: User
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    1、 Epoxy equivalent is the grams of epoxy resin containing 1 equivalent epoxy group The unit is [g / equivalent] 2 Epoxy group content Epoxy group content refers to the percentage content of epoxy group in each gram of epoxy resin The unit is [%] 3 What is epoxy value? Epoxy value refers to the equivalent number of epoxy groups per 100 grams of epoxy resin The unit is [equivalent / 100g] Conversion relationship of epoxy value, epoxy equivalent and epoxy percentage content of bisphenol A epoxy: epoxy value = 2 × 100 / epoxy molecular weight, i.e EV = 2 × 100 / M epoxy equivalent = 100 / epoxy value, i.e en = 100 / EV Epoxy Content = 43 × 100 / epoxy equivalent, i.e EC = 43 × 100 / en For example, if the epoxy equivalent of a bisphenol A epoxy resin is 180g / equivalent, the epoxy content of the resin is 43 × 100 / 180 = 23.88 The epoxy value of the resin is 100 / 180 = 0.555 IV organochlorine value the organochlorine value refers to the equivalent number of grams of organochlorine atom contained in every 100 grams of epoxy resin The unit is [equivalent / 100g] 5 Inorganic chlorine value the inorganic chlorine value refers to the equivalent number of grams of chlorine ion contained in every 100 grams of epoxy resin The unit is [equivalent / 100g] Vi volatile matter refers to the residual volatile solvent content in epoxy resin The unit is [%].
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