Chapter 24 — FLAMMABLE FINISHES
Section 2408
California Fire Code (Title 24, Part 9) · 2019 edition · updated 2026-09-10 · California
CBSC: official editions, supplements and errata
Italicized text is a California amendment to the model code, as printed in the official publication.
ORGANIC PEROXIDES AND DUAL-COMPONENT COATINGS
2408.1 General. Spraying operations involving the use of¶
organic peroxides and other dual-component coatings shall be in accordance with the requirements of Section 2403 and Sections 2408.2 through 2408.5.
2408.2 Use of organic peroxide coatings.¶
Spraying operations involving the use of organic peroxides and other dualcomponent coatings shall be conducted in approved sprinklered spray booths complying with Section 2404.3.3.
2408.3 Equipment.¶
Spray guns and related handling equipment used with organic peroxides shall be of a type manufactured for such use.
2408.3.1 Pressure tanks. Separate pressure vessels and inserts specifically for the application shall be used for the resin and for the organic peroxide, and shall not be interchanged. Organic peroxide pressure tank inserts shall be constructed of stainless steel or polyethylene.
2408.4 Housekeeping, maintenance, storage and use of¶
hazardous materials. Housekeeping, maintenance, storage and use of hazardous materials shall be in accordance with Sections 2403.3 and 2403.4 and Sections 2408.4.1 through 2408.4.7.
2408.4.1 Contamination prevention. Organic peroxide initiators shall not be contaminated with foreign substances.
2408.4.2 Spilled material. Spilled organic peroxides shall be promptly removed and any residue thereof promptly eliminated. Spilled material absorbed by using a noncombustible absorbent shall be promptly disposed of in accordance with the manufacturer’s recommendation.
2408.4.3 Residue control. Materials shall not be contaminated by dusts and overspray residues resulting from the sanding or spraying of finishing materials containing organic peroxides.
2408.4.4 Handling. Handling of organic peroxides shall be conducted in a manner that avoids shock and friction that produces decomposition and violent reaction hazards.
2408.4.5 Mixing. Organic peroxides shall not be mixed directly with accelerators or promoters.
2408.4.6 Personnel qualifications. Personnel working with organic peroxides and dual-component coatings shall be specifically trained to work with these materials.
2408.4.7 Storage. The storage of organic peroxides shall comply with Chapter 62.
2408.5 Sources of ignition. Only nonsparking tools shall be¶
used in areas where organic peroxides are stored, mixed or applied.
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