Trigonox® 21S is an initiator for (co)polymerization of ethylene, styrene, acrylonitrile and (meth)acrylates. Curing agent for unsaturated polyester resins.
| Acid as 2-ethylhexanoic acid | ≤ 0.30 % |
| Active oxygen | ≥ 7.18 % |
| Appearance | Clear liquid |
| Assay | ≥ 97.0 % |
| Color | ≤ 30 APHA |
| Inorganic + organic hydrolysable chloride | ≤ 100 mg/kg |
| TBHP | ≤ 1000 mg/kg |
| Density, 20 °C | 0.900 g/cm³ |
| Viscosity, 20 °C | 4.3 mPa.s |
Trigonox® 21S (tert-Butyl peroxy-2-ethylhexanoate) can be used for the market segments: polymer production, thermoset composites and acrylics with their different applications/functions. For more information please check our website and/or contact us.
True high-gloss paste wax.
Withstands high-temperature exothermic reactions of resins and does multiple releases easily.
Contains carnauba wax, synthetic waxes and high-temperature resistant resins for effective multiple releases of plastic parts through numerous cycles.
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:Butanox®
Chemical family:Organic peroxide
CAS number:1338-23-4
Physical form:Liquid
Chemical name:Methyl ethyl ketone peroxide
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
Appearance: Clear liquid,no visible mechanical impurity
Epoxy Equivalent (g/eq): 176–184
Color (Gardner): Max 1.0
Flash Point (℃): Above 150
Viscosity (cps, at 25℃): 8000–11000
Hydrolyzable Chlorine Content (ppm): Below 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
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