Name: DCUP CAS No.: 80-43-3 Form: Powder, technically pure Molar mass: 270.4 g/mol Description: White or slightly yellowish powder, mainly composed of technically pure propylbenzene peroxide. Used as initiator (source of free radicals) for the polymerization of monomers such as styrene. Used as a synergist in flame retardants for expanded polystyrene (EPS). Technical Data: Appearance: Almost white crystalline powder. Peroxide content: approx. 99.5% w/w. Reactive oxygen content: approx. 5.89% w/w. Inhibitors: none. Solubility: Soluble in acetone, aromatic solvents, alcohols and esters.

DESCRIPTION: CUROX? CUHP is a colorless to pale yellow liquid containing propiophenone peroxide. Free radical initiator for unsaturated polyester resins, vinyl monomers and greases. It can be used alone or mixed with other peroxides and is suitable for room and high temperature processes. Technical Data: Appearance: Light yellow to colorless liquid. Active Oxygen Content: 8.71 TP6T. Peroxypropiophenone Content: 80-851 TP6T. Flash Point: > 72°C. Density: 1.05 g/cm3. Soluble in: alcohols, ketones, esters, hydrocarbons. Slightly soluble in: water. Critical temperature (SADT): 75°C. Recommended storage temperature: below 30°C.

Product Information Product Name: CUROX? VP-160A Chemical Composition: Mixture, the main component being isopropylbenzene peroxide Appearance: Slightly yellowish liquid Active Oxygen Content: Minimum 4.95% w/w Density (20°C): approx. 1.03 g/cm3 Viscosity (20°C): approx. 4.3 mPa-s Water Compatibility: Incompatible, Soluble in Alcohols and Esters Storage Recommended: below 30°C, active for 6 months Trigger temperature: approx. 80°C Packaging: 5 kg polyethylene containers Application Suitable for use with cobalt accelerators for curing unsaturated vinyl vinyl acetate trees at room temperature.

BASIC INFORMATION NAME: NOROX? CHM-50 CAS No.: 80-15-9 STRUCTURE: Slightly yellow liquid DESCRIPTION NOROX? CHM-50 is a solution containing cis-isopropylbenzene peroxide and an accelerator. It is a liquid polymerization initiator for curing vinyl ester resins at room temperature with the following advantages and properties: Medium peak exotherm, typically lower than methyl ethyl ketone peroxides (MEKPs). Medium gel time in vinyl ester resins. Excellent final cure. Low impurity levels (water, hydrogen peroxide, salts, etc.). No gas generation. Technical Data Appearance: Slightly yellowish liquid Live

BASIC INFORMATION NAME: NOROX? CHM-50 RED CAS NO.: 80-15-9 DESCRIPTION NOROX? CHM-50 RED is a cis-isopropylbenzene peroxide based solution containing an accelerator. It is a liquid polymerization initiator for curing vinyl ester resins at room temperature with the following advantages and properties: Medium peak exotherm, typically lower than methyl ethyl ketone peroxides (MEKPs). Medium gel time in vinyl ester resins. Excellent final cure. Low impurity levels (water, hydrogen peroxide, salts, etc.). No gas generation. Red Color Advantages: In Resin

BASIC INFORMATION NAME: NOROX? CHP CHEMISTRY: cis-isopropylbenzene peroxide CAS NO.: 80-15-9 FORM: Liquid mixture DESCRIPTION NOROX? CHP is a colorless to pale yellow liquid solution of cis-isopropylbenzene peroxide. It is an economical free radical initiator for unsaturated polyester resins, vinyl monomers, as well as greases and alkyds. NOROX? CHP can be used alone or in combination with other peroxides in ambient and elevated temperature processes. Technical Data Appearance: Yellowish to Colorless Liquid Reactive Oxygen Content: 8.71 TP6T cis-Cumyl hydroperoxide Content: 80-851 TP6T Flash Point (Seta)

BASIC INFORMATION NAME: NOROX? CHP-90 CHEMISTRY: cis-isopropylbenzene peroxide/2-peroxyisopropylbenzene CAS NO.: 18-15-9 FORM: LIQUID MIXTURE DESCRIPTION NOROX? CHP-90 is a colorless to pale yellow liquid solution of cis-isopropylbenzene peroxide. It is an economical free radical initiator for unsaturated polyester resins, vinyl monomers, as well as greases and alkyds. NOROX? CHP-90 can be used alone or in combination with other peroxides in ambient and elevated temperature processes. Technical Data cis-Cumyl hydroperoxide Content: 90.0 (nominal) Form: Liquid Density @

Basic information Description Technical data Application EVA crosslinking Measured data Standard packaging Disclaimer

Product Information Product Name: DHBP (2,5-Dimethyl-2,5-bis(tert-butylperoxy)pentane) Chemical Formula: CAS#78-63-7 Form: Liquid, industrially pure Molecular Weight: 290.4 grams/mole Product Description Appearance: Colorless Liquid Purity: Approx. 94% w/w Reactive Oxygen Content: Approx. 10.4% w/w Desensitizer: none Density (20°C): approx. 0.87 g/cm3 Viscosity at 20°C: approx. 7 mPa.s Refractive index at 20°C: approx. 1.422 Color index (Hazen): approx. 50-80 Solubility: no