Product Overview: CH-70-AL is a colorless liquid consisting of approximately 70% 1,1-di-tert-butylperoxycyclohexane, antisensitized with an aliphatic solvent. This cycloaliphatic cyclic acetone ether compound is used as a free radical initiator for the polymerization of monomers (e.g. styrene). Technical Data: Appearance: Colorless liquid. Antisensitizing agent: Fatty solvent. Molecular mass: 260.4 g/mol. Content: approx. 70% w/w. Active oxygen (AO): approx. 8.60% w/w. Density (20°C): approx. 0.88 g/cm³. Viscosity (20°C): approx. 4.8 mPa-s.

PRODUCT OVERVIEW: CH-50-WO is a colorless liquid with a major component of approximately 50% 1,1-Di(tert.butylperoxy)cyclohexane, antisensitized with white oil. This cycloaliphatic cycloacetone ether compound is used as a free radical initiator for the polymerization of monomers (e.g. styrene). Technical Data: Appearance: colorless liquid. Peroxide content: approx. 501 TP6T w/w. Reactive oxygen species: approx. 6.141 TP6T. Antisensitizing agent: white oil (w/w). Density (20°C): approx. 0.90 g/cm³. Viscosity (20°C): approx. 33 mPa-s. Refractive index

PRODUCT OVERVIEW: TAHP-88 is a colorless, fluid liquid containing approximately 881 TP6T of tertiary amyl hydroperoxide, desensitized by water. It is mainly used in polymerization reactions of monomers, especially in emulsion polymerization processes, such as the polymerization of vinyl acetate or (meth)acrylate. Technical Data: Appearance: colorless liquid. Desensitizer: water. Content determination: approx. 881 TP6T w/w. Active Oxygen (AO): approx. 13.51 TP6T w/w. Density at 20°C: approx. 0.92 g/cm³. Viscosity at 20°C: approx. 5.2 mPa-s Refractive index at 20°C: approx. 1.41 Flash point: approx. 47°C

TBPEHC is a colorless, flowable liquid composed primarily of technically pure tert-butyl peroxy-(2-ethylhexyl) carbonate. This thermally stable carbonate monoperoxide is used as an initiator (source of free radicals) in monomer (SM) polymerization, unsaturated polyester (UP) curing and polymer (EVA) crosslinking. Technical Data Appearance: colorless liquid Peroxide content: approx. 991 TP6T w/w Reactive oxygen content: approx. 6.431 TP6T w/w No inhibitors Density (20°C): approx. 0.93 g/cm³ Viscosity (20°C): approx. 6 mPa-s Refractive index (20°C): approx. 1.428 Critical

NOROX ® 400 is a colorless, flowable liquid composed primarily of technically pure tert-butyl peroxy-(2-ethylhexyl) carbonate. It is a carbonate monoperoxide with advantages in thermal stability and is used as an initiator (source of free radicals) in curing agents for unsaturated polyester resins. Main areas of application include hot compression molding of SMC or BMC at 130-160°C. Technical Data Appearance: colorless liquid Peroxide content: approx. 99% w/w Reactive oxygen content: approx. 6.43% w/w No inhibitors Density (20°C): approx. 0.93 g/cm³ Viscosity (20°C): approx. 6 mPa

CUROX®SOLAR UFC2 Chemical name: tert.Butylperoxy-2-ethylhexylcarbonate CAS No.: 34443-12-4

CUROX ® SOLAR FC1 is a colorless, flowable liquid composed primarily of technically pure tert-butyl peroxy-(2-ethylhexyl) carbonate. It is a peroxycarbonate with advantages in thermal stability and is mainly used for crosslinking ethylene vinyl acetate copolymers (EVA), especially for photovoltaic applications. Technical Data Appearance: colorless Peroxide content: approx. 991 TP6T w/w Reactive oxygen content: approx. 6.431 TP6T w/w No inhibitors Density (20°C): approx. 0.93 g/cm³ Hazen maximum: 30 Hz Viscosity (20°C): approx. 6 mPa-s Refractive index

NOROX ® SHP-90 is a clear to pale yellow liquid based on a peroxide formulation of acetylacetone peroxide and peroxy esters. It is a very effective polymerization initiator for room and high temperature curing of unsaturated polyester resins. Technical Data Active Oxygen: 4.4 min. Form: Liquid Color (APHA): 100 max Specific Gravity (25°C): 1.06 - 1.10 Viscosity: 31 - 36 cps Flash Point (SETA C.C.): >148°F/64°C, min SADT: >140°F (60°C) Soluble in: Oxygenated Organic Peroxides Soluble in: Oxygenated Organic

NOROX ® SHP-40 is a clear to pale yellow liquid based on a peroxide formulation of acetylacetone peroxide and peroxides. It has the following technical data: Active Oxygen: 1.7 - 1.9 Form: Liquid Color: Water White to Straw Specific Gravity (25°C): 1.08 - 1.12 Viscosity: 25 - 32 mPas Flash Point (SETA C.C.): >149°F/65°C, min. SADT: >131°F (55°C) Soluble in: Oxygenated organic solvents Slightly soluble in: Water Storage Temperature: 77°F (25°C) maximum / 32 minimum