Perkadox® GB-50X 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 | 48.0-50.0 % |
| Bulk density | 640 kg/m³ |
| Density | 1.343 g/cm³ |
| Poured bulk density | 666 kg/m³ |
| Tapped bulk density | 766 kg/m³ |
Perkadox® GB-50X is a non-caking, fine, granular powder with excellent free flowing properties containing 50% dibenzoyl peroxide. Perkadox® GB-50X is used for the curing of unsaturated polyester resins and (meth)acrylic resins at ambient and elevated temperatures. At temperatures up to 80°C, Perkadox® GB-50X should be used in combination with an aromatic tertiary amine accelerator. Above 80°C the use of an accelerator is not required. Perkadox® GB-50X is easy to handle, easy to disperse and dissolves very quickly in unsaturated polyester resins and (meth)acrylic resins. Perkadox® GB-50X does not dissolve clearly in the resin system and is therefore not applicable for the production of cured parts when a high degree of transparency is required. For these applications, Perkadox® GB-50L is advised.
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:Light yellow transparent viscous liquid
Acid Value:14-20mgKOH/g
Viscosity，25℃:0.14-0.16Pa.s
Solid Content:52-58%
Gel time:25-38min
Brand:Polylite
Physical State:liquid
Epoxy Equivalent (g/eq):184～190
Color (Gardner):1.0max
Flash Point (℃):150↑
Viscosity (cps, at 25℃)：12000～15000
Hydrolyzable Chlorine Content (ppm)：1000↓
Specific Gravity (g/cm³, 25℃)：1.16
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:Butanox®
Chemical family:Organic peroxide
CAS number:1338-23-4
Physical form:Liquid
Chemical name:Methyl ethyl ketone peroxide in diisononyl 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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