What does retardent mean?

Definitions of retardent. any agent that retards or delays or hinders. synonyms: retardant, retardation. type of: agent. an active and efficient cause; capable of producing a certain effect.

What is in retardant?

Fire retardant is 85 percent water, 10 percent fertilizer and 5 percent minor ingredients such as colorants, anti-corrosive material, thickeners (clay or natural gum), stabilizers and bactericides, according to the USFS public affairs specialist Jennifer Jones.