Perkadox® GB-50L is a free-flowing 50% peroxide formulation on a phthalate-free carrier for curing unsaturated polyester resins and (meth)acrylic resins at ambient and elevated temperatures. Provides excellent solubility in standard thermoset curing applications.
| Appearance | White free flowing powder |
| Assay | 49.0-51.0 % |
| Water | ≤ 0.5 % |
| Bulk density | 640 kg/m³ |
| Density | 1.322 g/cm³ |
| Poured bulk density | 711 kg/m |
| Tapped bulk density | 766 kg/m³ |
Perkadox® GB-50L is a free flowing, fine, granular powder containing 50% dibenzoyl peroxide, with max. 0. 5% water. Perkadox® GB-50L is used for the curing of unsaturated polyester and (meth)acrylic resins at ambient and elevated temperature. At temperatures up to 80°C, Perkadox® GB-50L should be used in combination with an aromatic tertiary amine accelerator. Above 80°C the use of an accelerator is not required. Perkadox® GB-50L dissolves clearly in the resin system and is therefore very suitable for the production of cured parts with acrylic resins when a high degree of transparency is required.
Brand:Trigonox®
Chemical family:Organic peroxide
CAS number:75-91-2
Physical form:Liquid
Molecular Weight:90.1
Chemical name:tert-Butyl hydroperoxide, 70% solution in 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:Trigonox
Chemical family:Organic peroxide
CAS number:1338-23-4
Physical form:Liquid
Chemical name:Methyl ethyl ketone peroxide, in solvent mixture
Brand:Polylite
Appearance:Light yellow transparent viscous liquid
Acid Value:19-25mgKOH/g
Viscosity，25℃:0.30-0.60Pa.s
Solid Content:59-66%
Thermal Stability,80℃:≥24h
Gel time:12-30min
Brand:Polylite
Appearance:Transparent, water-white liquid with a bluish tint
Viscosity:0.75-1.25 25℃, Pa.S
Gel Time:5.6-10.4 25℃, min
Acid Value:18-26 mg KOH/g
Solid Content:64-70 %
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
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