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Butanox® M-60 (Cas 1338-23-4) is the work horse in GRP curing systems, with 10% higher active oxygen compared to Butanox® M-50. 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 | 9.8-10.0 % |
| Appearance | EINECS/ELINCS |
| Clear colorless liquid | No.215-661-2 |
| TSCA status | |
| Listed on inventory | |
| Characteristics | |
| Density, 25°C | 1.14-1.18 g/cm³ |
| Viscosity, 20°C | 25 mPa.s |
| Application | |
| Butanox® M-60(Cas 1338-23-4) 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. Butanox® M-60 is a 10% higher concentrated version of Butanox® M-50. The curing system Butanox® M-60 msds/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. | |
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