Home > Terms > English, UK (UE) > Class b fire-retardant coating
Class b fire-retardant coating
A coating that reduces the flame spread to greater than 25 but not more than 75, and that has a smoke developed rating not exceeding 200 where applied to the applicable substrate, building material, or species of wood when tested in accordance with NFPA 255, ASTM E 84, or UL 723.
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- Part of Speech: noun
- Synonym(s):
- Blossary:
- Industry/Domain: Fire safety
- Category: Prevention & protection
- Company: NFPA
- Product:
- Acronym-Abbreviation:
Other Languages:
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