Technical datasheet

MEC

Supplied byUnited Initiators- Last Updated on Jul 17, 2026

Solution of methyl ethyl ketone peroxide and cyclohexanone peroxide in phlegmatizer. It acts as an initiator with unsaturated polyester resins. Offers advantage like shorter gel to cure time, excellent smoothness and uniformity in the cure cycle, excellent storage stability because of the absence of impurities (water, hydrogen peroxide, unreacted methyl ethyl ketone and other diluents). Also show enhanced performance with gel coats (as its hydrophobic nature provides improved mixing and resin compatibility). Also give good performance at normal temperatures. It is developed to give excellent cure performance in low and average temperature conditions.
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For which polymer

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MEC properties

Other properties

PropertiesValue & unitTest conditionTest method
Active oxygen content0.0 Visible After LoginVisible After LoginVisible After Login
Flash Point, Closed Cup0.0 Visible After LoginVisible After LoginVisible After Login
Gel Time0.0 Visible After LoginVisible After LoginVisible After Login
Peak Exotherm0.0 Visible After LoginVisible After LoginVisible After Login
Specific Gravity0.0 Visible After LoginVisible After LoginVisible After Login
Viscosity0.0 Visible After LoginVisible After LoginVisible After Login
Solubility PropertiesElementConditionMethod
Slightly soluble inVisible After Login
Soluble inVisible After Login