Product Information Product Name: NOROX? 802-75-AL3 Chemical Composition: 1,1-tert-butylperoxy-3,3,5-trimethylcyclohexane Appearance: Colorless Liquid Reactive Oxygen Content: Approx. 5.75% w/w Sensitizer: High Boiling Aliphatic Hydrocarbons Density (20°C): Approx. 0.84 g/cm3 Viscosity (20°C): Approx. 3 mPa-s Refractive Index (20°C): Approx. 1.429 Critical Temperature (SADT): Approx. 50°C Storage Stability: Below -25°C Recommended Storage Temperature: Below 20°C Reactive Maintenance Time: 3 Months Applications (20°C): approx. 1.429 Critical temperature (SADT): approx. 50°C Storage stability: -25°C or less Recommended storage temperature: 20°C or less Activity retention time: 3 months Applications

Product Information: Product Name: NOROX? 500-90-AL3 Chemical Composition: 1,1-Bis(tert.butyl peroxy)3,3,5-trimethyl cyclohexane CAS No.: 6731-36-8 Molecular Mass: 302.4 g/mol 90% Concentration of aliphatic ( aliphatics solution Product Description: Appearance: colorless liquid Peroxide content: approx. 90% w/w Reactive oxygen content: approx. 9.5% w/w Desensitizer: aliphatic with high boiling point Density (20°C): approx. 0.89

NOROX?500-90 Chemical Name: 1,1-Di(tert.butylperoxy)-3,3,5-trimethylcyclohexane CAS No.: 6731-36-8

Product Information: Product Name: NOROX? 500-75OMS Chemical Composition: 75% solution of 1,1-tert-butyl peroxy-3,3,5-trimethylcyclohexane Form: Colorless flowing liquid containing 75% tert-butyl peroxide, desensitized with aliphatic hydrocarbon solvents Technical Data: Ingredients: Approx. 75% tert-butyl peroxide Active Oxygen: approx. 7.94% Density (20°C): approx. 0.88 g/cm3 Viscosity (20°C): approx. 8 mPa-s Refractive index (20°C): approx. 1.435 Critical temperature: approx. 60°C Refrigeration stability: below -25°C Recommended storage temperature: low

Product Description: NOROX? 500-50 is a 50% solution of 1,1-tert-butyl peroxide stabilized with aliphatic hydrocarbons. It is a colorless, flowable liquid used as an initiator for polymer monomers (e.g. styrene) and as a curing agent for unsaturated polyester resins. Technical Data: Appearance: colorless liquid Peroxide content: approx. 50% Reactive oxygen content: approx. 7.94% Desensitizer: aliphatic hydrocarbon (boiling point > 170°C) Density: approx. 0.83 g/cm3 Viscosity at 20°C: approx. 3 mPa-s Refractive index at 20°C: approx. 1.429 Critical temperature (SADT):

Product Description: TAPEH-75-AL1 is a 75% solution of tert.Amylperoxy-2-ethyl hexanoate stabilized with odorless mineral oil. It is a colorless, mobile liquid used as an initiator (free radical source) for monomer polymers. Technical Data: Appearance: Colorless, flowable liquid Content: approx. 75% Reactive Oxygen Content: approx. 5.2% Desensitizer: Aliphatic Hydrocarbons (Boiling Point > 170°C) Density: approx. 0.857 g/cm3 Viscosity at 20°C: approx. 4.3 mPa-s Refractive Index at 20°C: approx. 1.4

Product Description: TAPEH is a colorless liquid composed mainly of technically pure tert-amyl peroxy-2-ethylhexanoate. It is a branched aliphatic peroxy ester used as a free radical initiator in the polymerization of monomers such as ethylene, styrene and (meth)acrylates. Technical Data: Appearance: colorless liquid Content: approx. 981 TP6T Active Oxygen (AO): approx. 6.811 TP6T Density: approx. 0.9 g/cm3 Viscosity at 20°C: approx. 4.3 mPa-s Refractive index at 20°C: approx. 1.433 Flash Point: approx. 59°C Vapor at 25°C

Product Description: NOROX ? 411 is a colorless liquid composed mainly of technically pure tert-amyl peroxy-2-ethylhexanoate. It is a branched aliphatic peroxy ester used as a free radical initiator for hardening of unsaturated polyester resins at 70 - 150°C and may be used in conjunction with cobalt accelerators. Technical Data: Appearance: colorless liquid Content: approx. 981 TP3T Active Oxygen (AO): approx. 6.811 TP3T Density: approx. 0.9 g/cm3 Viscosity at 20°C: approx. 4.3 mPa-s Refractive index at 20°C: approx. 1.433 Flash point

Product Description: TAPEHC is a colorless liquid composed mainly of technically pure tert.Amylperoxy-(2-ethylhexyl) carbonate. It is a thermally stable monoperoxycarbonate used as an initiator (source of free radicals) in the curing of polymers (SM), unsaturated polyester resins (UP), and crosslinking of polymers (EVA). Technical Data: Appearance: Colorless Technical Data: Appearance: colorless Peroxide content: approx. 981 TP6T w/w Reactive oxygen: approx. 6.141 TP6T w/w No desensitizer Density (20°C): approx. 0.92 g/cm3 Hazen: max. 30 Hz