NOROX?MEKP-9H RED Chemical name: Methyl ethyl ketone peroxide CAS No.: 1338-23-4

Product Information: Product Name: NOROX? MEKP-9H FRED (Methyl Ethyl Ketone Peroxide) CAS No.: 37187-22-7 Form: Liquid Mixture Appearance: Red Reactive Oxygen Content: Not to Exceed 9.0% Flash Point: Minimum 200°F/93°C (C.O.C. Method), Minimum 170°F (SETA C.C. Method) SADT (Critical Temperature): 140°F (60°C) Solubility: Soluble in organic oxidizing solvents, slightly soluble in water Storage Temperature: Below 80°F Application: NOROX? MEKP-9H FRED is suitable for curing at room temperature.

Product Information: Product Name: DCLBP-50-PSI (di(2,4-dichlorobenzoyl) peroxide) CAS No.: 133-14-2 Content: 50% Paste (in Silicone Oil) Molecular Mass: 380.0 g/mol Appearance: White Paste Main Ingredients: Approx. 50% Di-(2,4-dichlorobenzoyl) peroxide, desensitized by Silicone Oil Application: Used as initiator for crosslinking of polymers, especially silicone rubber (VMQ) Technical Data: Appearance: White paste Peroxide content: approx. 50% w/w Reactive oxygen species: approx. 2.10% w/w Desensitizer: Silicone oil Density (20°C): approx. 1.2

Product Information: Product Name: NOROX? 425 (tert-Butyl peroxy-3,5,5-trimethylhexanoate) CAS No.: 13122-18-4 Content: technically pure liquid, peroxide content of about 99% Molecular mass: 230.3 g/mol Appearance: colorless liquid Main components: technically pure tert-Butyl peroxy-3,5,5-trimethylhexanoate Application: Used as an initiator for the polymerization of monomers (such as ethylene, styrene) Technical data: Appearance: colorless liquid Peroxide content: approx. 99% w/w Reactive oxygen: approx. 6.88% w/w Desensitizer: no Density (20°C): approx. 0.89 g/cm3 Viscosity (20°C): approx.

Product Information: Product Name: NOROX? 425 PR (tert-Butyl peroxy-3,5,5-trimethylhexanoate) CAS No.: 13122-18-4 Content: Approx. 90% Molecular mass: Not provided Appearance: Colorless liquid Main components: tert-Butyl peroxy-3,5,5-trimethylhexanoate Application: Used as an initiator in combination with cobalt catalysts for the curing of unsaturated polyester resins at elevated temperatures (60-120°C), especially for vinyl ester resins with a long gel time at room temperature. Technical Data: Peroxide content: approx. 901 TP6T w/w Reactive oxygen: approx. 6.301 TP6T w/w Desensitizer: none Density (20°C): approx. 0.90 g/kg.

Product Information: Product Name: TBPIN (tert-Butyl peroxy-3,5,5-trimethylhexanoate) CAS No.: 13122-18-4 Content: Purity about 99% Molecular mass: 230.3 g/mol Appearance: Colorless liquid Main components: tert-Butyl peroxy-3,5,5-trimethylhexanoate Application: Used as an initiator for polymer monomers (e.g., ethylene, styrene) Technical Data: Peroxide content: about 99% w/w Active oxygen: approx. 6.88% w/w Desensitizer: none Density (20°C): approx. 0.89 g/cm3 Viscosity (20°C): approx. 5.0 mPa-s Refractive index (20°C): approx. 1.431 S

Product Information: Product Name: TBPIN-30-AL (tert-Butyl peroxy-3,5,5-trimethylhexanoate) CAS No.: 13122-18-4 Content: 30%, soluble in aliphatic hydrocarbons Molecular mass: 230.3 g/mol Appearance: colorless liquid, transparent in color Main Component: tert-Butyl peroxy-3,5,5-trimethylhexanoate, desensitized by aliphatic hydrocarbons Application: initiator of high-pressure polymerization of vinyl Technical Data: Peroxide content: approx. 30% w/w Reactive oxygen species (calculated value): approx. 2.09% w/w Desensitizer: isodecane Density (20°C): approx. 0.79 g/cm3 Viscosity (20°C): approx. 1.7 mPas folding

Product Information: Product Name: TBPIN-60-AL (tert-Butyl peroxy-3,5,5-trimethylhexanoate) CAS No.: 13122-18-4 Content: 60%, soluble in aliphatic hydrocarbons Molecular mass: 230.3 g/mol Appearance: colorless liquid Main components: tert-Butyl peroxy-3,5,5-trimethylhexanoate, desensitized by aliphatic hydrocarbons Application: Used as an initiator for high-pressure polymerization of vinyls Technical Data: Peroxides Content: approx. 601 TP6T w/w Reactive oxygen (calculated): approx. 4.181 TP6T w/w Desensitizer: aliphatic hydrocarbons Density (20°C): approx. 0.83 g/cm3 Viscosity (20°C): approx. 2 mPas Refractive index (20° C)

Product Information: Product Name: TBPIN-HA-M1 Chemical composition: tert-Butyl peroxy-3,5,5-trimethylhexanoate CAS No.: 13122-18-4 Appearance: colorless liquid mixture Oxygen content: about 90% w/w Storage Stability: 6 months after delivery Main Applications: Used as a curing agent for unsaturated polyester resins, especially for vinyl ester resins with long gel time at ambient temperature. Product properties: Colorless liquid, unsaturated polyester resin. Product properties: Colorless liquid, free of inhibitors Density approx. 0.90 g/cm3 Viscosity approx. 5.0 mPa-s at 20°C Refractive index approx. 1.431 Insoluble in water, miscible with alcohols and phthalates.