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Butanox® M-50 (polymer additives) is the 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 | Total active oxygen |
| 1338-23-4 | 8.8-9.0 % |
| Appearance | EINECS/ELINCS |
| Clear colorless liquid | No.215-661-2 |
| TSCA status | |
| Listed on inventory | |
| Characteristics | |
| Density, 20℃ | 1.180 g/cm³ |
| Viscosity, 20℃ | 24 mPa.s |
| Applications | |
Butanox® M-50 (polymer additives) is a general purpose methyl ethyl ketone peroxide (MEKP) for the curing of unsaturated polyester resins in the presence of a cobalt accelerator at room and elevated temperatures. The curing system Butanox® M50/cobalt accelerator is particularly suitable for the curing of gelcoat resins, laminating resins, lacquers and castings; moreover the manufacture of light resistant parts may be possible contrary to the curing system benzoyl peroxide/amine accelerator. Practical experience throughout many years has proven that by the guaranteed low water content and the absence of polar compounds in Butanox® M50, this peroxide is very suitable in GRP products for e.g. marine applications. Related Equipment
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