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Epoxy resin

Posting date : Nov 30, 2009

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CHEMICAL | Organic ch

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29-

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E Type Epoxy Resin Basic Information Chemical Composition: Bisphenol A diglycidyl ether Molecular Formula: (C18H22O3)n.C22H26O4 CAS No.: 25036-25-3 Structure: Physicochemical Properties: E type epoxy resin is widely used in China. It is made from bisphenol A and epichlorohydrin. According to the manufacturing method, there are 3 types of resin: small molecule resin, molecular weight is 340-700, its softening point < 50 °C and liquid in normal temp. ; middle molecule resin, molecule weight is 800-2200, its softening point is 50~ 95 °C, and it is solid in normal temp. ; high molecular resin, molecular weight is 2200, its softening point > 100 °C, and it is solid in normal temp. Customers can choose different type according their requirements. Quality Index Trademark Item EP01441-310 E51, 618 EP01451-310 E44, 6101 EP01551-310 E42 , 634 EP01661-310 E20, 601 EP01671-310 E12, 604 Appearance Epoxy Equivalen (g/eq) 184-194 210-230 230-270 450-500 800-1000 Viscosity (25°pa.s) 11-14 --- --- --- --- Softening Point (°C) --- 12-20 21-27 60-76 90--102 Chroma(≤) 1 1 1 1 1 Inorganic Chlorine (≤ ppm ) 50 50 50 50 50 Saponifiable chlorine( % ) 0.10 0.10 0.10 0.10 0.10 Volatility (≤%) 0.2 0.3 0.3 0.6 0.6 Sodiumion(≤ ppm ) 10 10 30 --- --- Applications Adhesion, casting, sealing, immersed, laminated Add curing agent to produce freeze-dry or drying coating Used in antocorrosive and insulating coating Storage&Transit Should be stored in a cool and dry place, and keep away from sunlight, heat and fire Keep away from rain and sunlight while transting The efficiency life could be 1 year if complying with above conditions. If it has been stored over the 1 year, please take an analysis according to the product instructions before use it.