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.

Product Information Product Name：SUCP-70-W Chemical Name：Succinic Acid Peroxide CAS No.：123-23-9 Content：70% Morphology：White powder, containing technically pure peroxide of bis-succinic acid, which is desensitized by water treatment. Uses: Used as initiator of monomer polymerization reaction, mainly used in emulsion polymerization of fluoroethylene. Technical data Appearance: White powder Peroxide content: approx. 70% Reactive oxygen content: approx. 4.78% Desensitizer: water Stacking density: approx. 0.45 kg/l Critical temperature (SADT): approx. 30°C Recommended storage temperature: below -10°C Storage stability (active)

Document Overview: Product Name: DTBP (tert-butyl peroxide) CAS No.: 110-05-4 Molar Mass: 146.2 g/mol Physical State: Liquid, technically pure Application: Used as an initiator (source of free radicals) in the polymerization of monomers, rheology control of crosslinked polyethylene and polypropylene. Technical Data: Appearance: colorless liquid Purity: greater than 99% Reactive Oxygen Content: greater than 10.8% Density at 20°C: approx. 0.79 g/cm3 Viscosity at 20°C: approx. 0.8 mPa-s Refractive Index at 20°C: approx. 1.389 Solubility: insoluble in water, soluble in organic solvents Vapors at various temperatures

Product Information: Product Name: DTBP S-500 Chemical Composition: Di-tert-butyl peroxide CAS No.: 110-05-4 Physical State: Liquid, Technically Pure Appearance: Colorless Liquid Molecular Weight: 146.2 g/mol Structural Formula: [CH3C(CH3)OC(CH3)2]2O Technical Data: Purity: > 99% Reactive Oxygen Content (Theoretical): > 10.8% Density (20°C): approx. 0.79 g/cm3 Viscosity (20°C): approx. 0.8 mPa-s Refractive Index (20°C): approx. 0.8 mPa-s Refractive Index (20°C): approx. 0.8 mPa-s 10.8% Density (20°C): approx. 0.79 g/cm3 Viscosity (20°C): approx. 0.8 mPa-s Refractive index (20°C): approx. 1.389 Vapor pressure (20°C): approx. 0.8 mPa-s Refractive index (20°C): approx. 1.389

Product Information: Product Name: DTBP-30-AL (Di-tert-butyl peroxide) CAS No.: 110-05-4 Content: 30%, soluble in aliphatic hydrocarbons Molecular mass: 146.2 g/mol Appearance: colorless liquid, transparent in color Main Component: Di-tert-butyl peroxide, desensitized by aliphatic hydrocarbons Application: initiator of high-pressure polymerization of vinyl Technical Data: Peroxide content: about 30% w/w Active oxygen (calculated value): about 3.28% w/w Desensitizer Peroxide content: approx. 30% w/w Reactive oxygen (calculated value): approx. 3.28% w/w Desensitizer: aliphatic hydrocarbon Density (20°C): approx. 0.76 g/cm3 Viscosity (20°C): approx. 1.1 mPa-s Refractive index (2)