Methylisobutyl Ketone Peroxide
Industrial Application
Methylisobutyl Ketone Peroxide (MIBK Peroxide) is an organic peroxide widely used as a free-radical initiator and curing agent in industrial polymer and resin applications. It is particularly valued for its ability to decompose at moderate temperatures, generating radicals that efficiently initiate polymerization of unsaturated polyester resins and other vinyl-based systems. In the plastics and composites industries, MIBK Peroxide is commonly employed to cure polyester, fiberglass-reinforced plastics, and gelcoat formulations, producing strong, durable, and chemically resistant finished products. Additionally, it is used in polymer-based coatings and adhesive systems, where controlled radical generation ensures uniform curing, improved adhesion, and enhanced mechanical properties. Due to its reactive and oxidizing nature, MIBK Peroxide is strictly handled under controlled conditions and is not used in cosmetic or personal care applications.
Physical Properties
Methylisobutyl Ketone Peroxide is an organic peroxide derived from methyl isobutyl ketone, typically appearing as a colorless to pale yellow liquid with a pungent odor. It is highly reactive, thermally unstable, and usually supplied in diluted form with stabilizers or phlegmatizers to reduce explosion risk. MIBKP is insoluble in water, but soluble in many organic solvents.
Grade
- Industrial
Other Names
- 4-Methyl-2-pentanone Peroxide
Form
- Liquid
Supply Form
- Liquid mixture, Standard
- Liquid mixture, High activity
- Liquid mixture, High curing rate
Peroxide Content
- ~56
- Mix
Abbreviations
- MIBKP
Packaging
- HDPE Canisters
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