Polyamide Hardener CRAYAMID 115: Chem On Indonesia

    Coating Coating

Polyamide Hardener CRAYAMID 115 (190 KG)


Polyamide hardener, high viscosity, 100% solid for low cost epoxy paint. CRAYAMID 115 is a general purpose liquid amino polyamide resin.It is used in conjuction with suitable epoxy resins to produce both top coats and primers as well as thermosetting adhesives for wide variety of substrates. The main characteristics are it’s excellent resistance and good exterior durable properties and adhesion to metallic substrates.  It is compatible with many synthetic resins, varnishes , oils and other media. 

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The selection of a particular grade of epoxy will depend upon the end use of the product.It is recommended that for high build coating it is always recommended to use low molecular weight epoxy. In solvent based coatings medium molecular weight and unmodified liquid epoxy resins may be used , while for adhesive applications either the unmodified or modified liquid epoxy resins are recommended. While the mixing ratio using CRAYAMID115   polyamides is not critical, optimum performance of the coating is achieved by stoichiometric mixing of the epoxy resin and CRAYAMID 115. The mix ratio is calculated on the basis of one Active Hydrogen Equivalent weight of the polyamide resin, will react with each epoxy group in the base resin. The AHEW of the polyamide resin CRAYAMID115 is typically 240 on solid resin. Considering that each epoxy reacts with one active hydrogen the mix ratio of CRAYAMID115 and an epoxy resin with epoxide equivalent approx. 

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