The code for flame retardant chemicals is often represented by various classifications, standards, or abbreviations, depending on the specific chemical or compound. Here are a few common codes and abbreviations associated with flame retardants:
1. FR: This abbreviation stands for "flame retardant" and is used generally to indicate a material or chemical that exhibits flame-retardant properties.
1. UL 94: UL 94 is a standard published by Underwriters Laboratories (UL) that classifies the flammability of plastic materials. It assigns different ratings, such as V-0, V-1, V-2, HB, etc., to indicate the material's ability to self-extinguish or resist burning.
1. NFP or NFPA: The National Fire Protection Association (NFPA) is an organization that establishes fire safety standards. Their codes, such as NFPA 701, NFPA 703, etc., specify flame retardancy requirements for various materials and applications.
1. Halogenated flame retardants: Some flame retardants contain halogen elements like chlorine or bromine. They are often referred to by their chemical names or abbreviations, such as PBDEs (polybrominated diphenyl ethers), TBBPA (tetrabromobisphenol A), DecaBDE (decabromodiphenyl ether), etc.
1. Phosphorus-based flame retardants: Phosphorus-based flame retardants are another common type. They may be referred to by their chemical names or abbreviations, such as PFR (phosphorus flame retardants), APP (ammonium polyphosphate), TCPP (tris(1-chloro-2-propyl) phosphate), etc.
These are just a few examples, and there are many different flame retardant chemicals available, each with its own specific code or classification. It's important to refer to the specific chemical or compound you are interested in to determine its corresponding code or abbreviation.