Trigonox® V388 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.
| Appearance | Clear colorless liquid |
| Total active oxygen | 9.8-10.0 % |
| Density, 20 °C | 1.120 g/cm³ |
| Flashpoint | 37 (Closed Cup) / ≥ 63 (Open Cup) °C |
Trigonox® V388 is 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 Trigonox® V388/cobalt accelerator is developed for general purpose GRP- and non GRP-applications such as the curing of laminating resins and castings. Practical experience throughout many years has proven that for marine applications a special MEKP with low water content and without polar compounds is demanded in order to prevent from osmosis and other problems. Butanox® M-50 is the MEKP advised for this application. For room temperature application it is necessary to use Trigonox® V388 together with a cobalt accelerator (e.g. Accelerator® NL-49PN).
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