Butanox® M-60 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.
| Appearance | Clear colorless liquid |
| Total active oxygen | 9.8-10.0 % |
| Water content | 3.0 max. % |
| Density, 25 °C | 1.14-1.18 g/cm³ |
| Viscosity, 20 °C | 25 mPa.s |
Butanox® M-60 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/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.
Brand:Polylite
Appearance:Light yellow transparent viscous liquid
Acid Value:14-22 mg KOH/g
Viscosity, 25℃:1.6-2.3 Pa.s
Solid Content:70-76 %
Gel Time, 25℃:8.5-10.5 min
Thermal Stability, 80℃:≥24h
Brand:Polylite
Appearance:Clear liquid,no visible mechanical impurity
Colour(Hazen):40 Max
Epoxy Equivalent(g/mol):210-230
Hydrolytic Chlorine (%):0.50 Max
Inorg.Cl （mg/kg）:50 Max
Volatile /150℃,40min(%):0.6 Max
Softening Point(℃):14-23
Brand：Perkadox®
CAS number：94-36-0
Molecular Weight：242.2
Concentration：3.20-3.37%
Chemical name：Dibenzoyl peroxide, paste, 50% in dipropylene glycol dibenzoate and water
Brand:Trigonox
Chemical family:Organic peroxide
CAS number:927-07-1
Physical form:Liquid
Molecular Weight:174.2
Concentration:6.89%
Chemical name:tert-Butyl peroxypivalate, 75% solution in isododecane
Brand:Butanox®
Chemical family:Organic peroxide
CAS number:1338-23-4
Physical form:Liquid
Chemical name:Methyl ethyl ketone peroxide, solution in dimethyl phthalate
Brand:Polylite
Appearance: Semi-solid
Epoxy equivalent (g/eq): 170-190
*Hue(G): 3.0Max.
Flash point (℃): 250↑
Solution viscosity (25℃): H~K
Density (g/cm³ 20℃): 1.18
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