Product Catalogue

Lapox® Colour Viscosity1 @ 25°C Amine value Pot life2 @ 25°C AHEW Thin film set time (8 mils) Mixing ratio3 Recommendations Gardner mPa∙s mg KOH/g minutes g/eq hours pbw AH-543 (XH-80) Max 15 2,000 - 5,000 300 - 350 50 - 65 125 4 - 5 67 A light coloured and low viscosity phenalkamine curing agent useful for heavy duty anti-corrosive coatings for marine applications. 1Brookfield viscosity 2100 g mix mass in plastic cup with liquid epoxy resin of EEW:190 3With liquid epoxy resin of EEW:190 *Method: Colour - ASTM D1544; Viscosity - ASTM D2196; Amine value - ISO 9702; Pot life - ASTM D2471 PHENALKAMINE CURING AGENTS A phenalkamine is a reaction product of cardanol and polyamine. They cure epoxy resins at low temperatures, even in moist conditions. They are preferred for protective and marine coatings in cold conditions. Phenalkamine CURING AGENTS ANNEXURE Calculating the mixing ratio of epoxy resin with curing agent: To calculate Amine Hydrogen Equivalent Weight (AHEW), use the following equation: AHEW = Molecular weight of amine Number of active hydrogen atoms To calculate the stoichiometric ratio of curing agent with resin, use the following equation: PHR of amine = AHEW X 100 Epoxy Equivalent Weight To calculate Epoxy Equivalent Weight (EEW) of the mixture that contains reactive and non-reactive additives, diluents and fillers, use the following equation: EEW of the mixture = Total weight Weight of component A Weight of component B Weight of component C EEW of component A EEW of component B EEW of component C 22 23

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