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Hardeners

Resin cures to a high-strength plastic solid, by mixing a specific proportion of hardener in the resin. The working times of different resins depend on the used resin and hardener.

Our product range includes Akzo Nobel’s, which is one of the leading organic peroxide producers, Butanox and Trigonox hardeners. Butanox is the world’s leading brand of methyl ethyl ketone peroxides (MEKP). Butanox is also the most stable MEKP on the market, and it can be used in most glass reinforced plastic (GRP) applications. In addition to traditional GRP applications, Butanox is used in everything from cars to bathtubs, and from fishing rods to chemical storage tanks.

Usually we have the below listed organic peroxides available at our warehouse in Kokkola.
When storing organic peroxides, it should be kept in mind that due to their relatively unstable nature a loss of quality can be detected over a period of time.


TypeDescription
Butanox M-50Glycol free general purpose MEKP for the curing of polyester and vinyl ester resins and gelcoats. An organic peroxide that is very suitable for almost all GRP applications.
Butanox M-50 VRGlycol free general purpose MEKP for the curing of polyester and vinyl ester resins and gelcoats. An organic peroxide that is very suitable for almost all GRP applications. Includes a red indicator system that vanishes during the gel to peak interval.
Trigonox K-90A peroxide mixture based on cumyl hydropeoxide which may be used for various polymerization reactions. It can be used in emulsion, solution and bulk polymerizations.
Trigonox 239A peroxide mixture based on cumyl hydropeoxide. Especially developed for the cure of vinyl ester resins.
Trigonox 44BAn Acetylacetone peroxide formulation which is particularly suitable for applications where a fast mold-turnover is required, e.g. for the cold press moulding or injection molding techniques.






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