Nouryon Butanox M-50A Methyl ethyl ketone peroxide

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Nouryon Butanox M-50A Methyl ethyl ketone peroxide
Categories:	Other Engineering Material
Material Notes:	Butanox M-50A is the phthalate-free work horse in GRP curing systems. Medium-reactive, general purpose methyl ethyl ketone peroxide (MEKP) with guaranteed low water content, used for curing unsaturated polyester resins in the presence of a cobalt accelerator at room and elevated temperatures. CAS number: 1338-23-4 EINECS/ELINCS No.: 215-661-2 Applications: Butanox M-50A is a multipurpose catalyst for the room temperature cure of promoted unsaturated polyester resins. Unpromoted unsaturated polyester resins can be heat-cured with Butanox M-50a in the temperature range of 100-127°C. Butanox M-50A also has a high MEKP monomer content which may provide faster gel times in some resin systems. Information provided by Nouryon
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Physical Properties	Metric	English	Comments

Density	1.00 g/cc	0.0361 lb/in³
Storage Temperature	<= 25.0 °C	<= 77.0 °F

Thermal Properties	Metric	English	Comments
Decomposition Temperature	65.0 °C	149 °F	Self-Accelerating Decomposition Temperature

Descriptive Properties
Appearance	Clear liquid
Content	8.8-9.0 %		Total active oxygen

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PNOURY449 / 285972

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