Product Information: Product Name: DTBP-75-AL (Di-tert-butyl peroxide) CAS No.: 110-05-4 Content: 75%, 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 vinyls Technical Data: Peroxide Content: about 75% w/w Active Oxygen (calculated value): about 8.21% w/w Desensitizer Peroxide content: approx. 75% w/w Reactive oxygen (calculated): approx. 8.21% w/w Desensitizer: aliphatic hydrocarbons Density (20°C): approx. 0.78 g/cm3 Viscosity (20°C): approx. 1 mPa-s Refractive index (20°)

DTBP-50-AL (IBC) Chemical name: Di-tert-butyl peroxide CAS No.: 110-05-4 DTBP 50-AL: A di-(tert-butyl) peroxide supplied by United Initiators. It is an initiator (free radical source) used to modify the rheology of polypropylene and the polymerization of ethylene.DTBP 50-AL appears as a colorless, mobile liquid, desensitized with high boiling aliphatic hydrocarbons, and has a molar mass of 146.2 g/mol. Areas of Application: DTBP 50-AL is recommended for use in conjunction with other peroxides in the polymerization of ethylene. In CR (Controlled Rheology)

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)

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

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

Peroxide Dye Concentrates US Chemical name: Methyl 5-dimethylamino-2-methyl-5-oxovalerate CAS No.: 1174627-68-9

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)

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: 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)