United Initiators

Organic peroxides are used as a source of free radicals in many industrial processes, such as polymerization, chemical synthesis and modification of polymers.UI offers a complete portfolio of organic peroxide types for use in all possible industries and applications, partly produced by exclusive, state-of-the-art manufacturing technology. This includes typical standards and special customized details and mixtures from hydroperoxides, ketone peroxides, niobium esters, monopercarbonates, dialkyl peroxides, peccarboxaldehydes, diacyl peroxides and percarbonates.

United Initiators TBPB-HA-M1 tert.Butylperoxybenzoate 614-45-9

Product Name: TBPB-HA-M1 CAS No.: 614-45-9 Appearance: Slightly yellowish, flowing liquid, consisting of a mixture based on tert.butyl perbenzoate. Main applications: In combination with cobalt accelerators for curing unsaturated polyester resins at elevated temperatures (60-120°C), also for curing vinyl ester resins at room temperature. Technical data: Reactive oxygen content: approx. 7.40% w/w without antisensitizer Density (20°C): approx. 1.03 g/cm3 Viscosity (20°C): approx. 5 mPa-s Refractive index at 20°C: approx. 1.495

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MYPC Dimyristylperoxydicarbonate 53220-22-7

MYPC is a peroxide commonly used as an initiator in the polymerization of monomers, such as polyvinyl chloride. Technical Data: Appearance: White greasy flakes. Content: approx. 97% w/w. Active Oxygen (AO): approx. 3.01% w/w. Bulk density at 25 °C: approx. 440 kg/m3. Melting point: approx. 45°C. SADT critical temperature: approx. 35°C. Maximum transport temperature: below 20°C. Recommended storage temperature: below 20°C. Storage stability after delivery: 6 months. Standard packaging: 20 kg cardboard. Application: Used as initiator for the polymerization of vinyl chloride, suitable for the majority of

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United Initiators CUROX?I-300 Methyl isobutyl ketone peroxide 37206-20-5

CUROX? I-300 is a highly reactive liquid mixture of peroxides based on methyl isobutyl ketone, which are antisensitized by aliphatic hydrocarbons. The peroxide is used as a curing agent (free radical source) for unsaturated polyester resins. The main application is the curing of large molded parts at high temperatures (60-120°C). Technical Data: Appearance: Colorless Liquid Reactive Oxygen Content: approx. 10.51 TP6T w/w Antisensitizer: Aliphatic Ester Density (20°C): approx. 0.89 g/cm3 Viscosity (20°C): approx. 5 mPa.s Solubility: Insoluble in water, miscible with alcohols and phthalates.

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United Initiators NOROX?PULCAT S Methyl isobutyl ketone peroxide 37206-20-5

NOROX? PULCAT S is a highly reactive liquid mixture of peroxides based on methyl isobutyl ketone, which are antisensitized by aliphatic hydrocarbons. The peroxide is used as a curing agent (free radical source) for unsaturated polyester resins. The main application is the curing of large molded parts at high temperatures (60-120°C). Technical Data: Appearance: Colorless Liquid Reactive Oxygen Content: approx. 10.51 TP6T w/w Antisensitizer: Aliphatic Ester Density (20°C): approx. 0.89 g/cm3 Viscosity (20°C): approx. 5 mPas Solubility: Insoluble in water, can be mixed with alcohols and phthalates.

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United Initiators NOROX?750 Acetylacetone Peroxide 37187-22-7

NOROX? 750 is a liquid organic peroxide curing agent designed for resin transfer molding (RTM) and workhorse resin applications. Its key feature is uniform curing in thick and thin cross sections without excessive exothermic reactions, resulting in excellent dimensional stability. Technical Data: Reactive Oxygen: ≤ 5.6% Form: Liquid Specific Gravity @ 25°C: 1.15 Flash Point (C.O.C.): ≥ 200°F/93°C Flash Point (SETA C.C.): ≥ 150°F/66°C Self-Activating Dissipation Temperature (SADT): ≥ 149°F (60°C) Can be

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United Initiators NOROX?757 Acetylacetone peroxide 37187-22-7

Product Description: Norox? 757 is a diluted version of Norox? 750 for applications where more volume needs to be measured more accurately. Liquid organic peroxide hardening initiator for RTM (Resin Transfer Molding) and work mold resins. The main characteristic is uniform hardening in thick and thin sections without excessive heat release, resulting in excellent dimensional stability. TECHNICAL DATA: Active Oxygen: 3.7 Max Form: Liquid Color: Colorless Specific Gravity at 25°C: 1.15 Flash Point (C.O.C.): 200°F/93°C, Min Flash Point (SETA C.C.): 150°F/66°C, Min Soluble in:

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United Initiators NOROX?AZOX Acetylacetone peroxide 37187-22-7

NOROX ? AZOX is a colorless solution of acetylacetone peroxide (AAP) or 2,4-pentanedione peroxide containing stabilizers.NOROX ? AZOX is a very effective polymerization initiator for room temperature cure of unsaturated polyester resins, and can be worked in most resin systems at very fast cure times with little or no effect on gel time. This performance characteristic is particularly beneficial in resin transfer molding (RTM), cast polymers, and other applications where rapid mold turnaround is required to improve productivity. An additional benefit of NOROX ? AZOX is the low fire or explosion hazard. In the U.S., there is no need to transport

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United Initiators NOROX?AZOX FRED Acetylacetone peroxide 37187-22-7

NOROX ? AZOX FRED is a red solution of acetylacetone peroxide (AAP) or 2,4-pentanedione peroxide with stabilizers.NOROX ? AZOX is a very effective polymerization initiator for the room temperature cure of unsaturated polyester resins, and can be worked in most resin systems at very fast cure times with little or no effect on gel time. This performance characteristic is particularly beneficial in resin transfer molding (RTM), cast polymers and other applications where rapid mold turnaround is required to increase productivity.An additional benefit of NOROX ? AZOX FRED is the low fire or explosion hazard. In the U.S.

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United Initiators NOROX?SHP-10 Acetylacetone peroxide 37187-22-7

NOROX ? SHP-10 is a clear to pale yellow liquid based on a peroxide formulation of acetylacetone peroxide and peroxy esters. It has the following technical data: Active Oxygen: 1.15 - 1.3 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, Minimum SADT: >131°F ( 55°C) Soluble in: Oxygenated organic solvents Slightly soluble in: Water Storage Temperature: 77°F (25°C) max Application NO

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