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AKPEROX® CMP75 is a liquid polymerization initiator developed by AKPA designed for room-temperature reactions.
AKPEROX® CMP75 is a mixture of methyl ethyl ketone peroxide and cumyl hydroperoxide, designed for the room-temperature curing of unsaturated polyester and vinyl ester resins. It is also used as a liquid polymerization initiator. With lower impurity levels than MEKP and a slower gel time, this initiator offers enhanced curing properties and performance characteristics in gel coat applications. AKPEROX® CMP75 complies with REACH regulations EC No 1907/2006 and EC No 1272/2008.
Appearance: Pale-yellow liquid
Active oxygen content: 7.50% to 8.20%
Density @ 20°C: 1.05 to 1.11 g/cm³
Solubility: Partially soluble in water
SADT: 60°C
Shelf life: 12 months
CAS Nos. 1338-23-4, 80-15-9
Primary Chemistry: Methyl ethyl ketone peroxide and cumyl hydroperoxide
Mixture of methyl ethyl ketone peroxide and cumyl hydroperoxide
Cures vinyl ester resins
For room-temperature cure
Initiates polymerization
Slow gel time
Excellent final cure
Low impurity levels
Slow or improper curing of vinyl ester resins
Hand lay-up or spray-up FRP
Resin transfer molding
Centrifugal casting
Filament winding
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