Flame retardants are functional additives that impart flame-retardant properties to flammable polymers. They are primarily designed for the flame retardancy of polymer materials. There are many types of flame retardants, which can be classified into additive flame retardants and reactive flame retardants according to their application methods.

Type A flame retardants are added to polymers through mechanical mixing to make the polymer flame-retardant. Currently, additive flame retardants mainly include organic and inorganic flame retardants, halogenated flame retardants (organochlorides and organic bromides), and non-halogenated flame retardants. Organic flame retardants are represented by bromine, phosphorus, nitrogen, red phosphorus, and their compounds, while inorganic flame retardants are mainly flame-retardant systems such as antimony trioxide, magnesium hydroxide, aluminum hydroxide, and silicon.

Reactive flame retardants participate in the polymerization reaction as monomers, making the polymer itself contain flame-retardant components. Their advantages include minimal impact on the properties of polymer materials and long-lasting flame retardancy.

The difference between durable flame retardants and primary flame retardants. Single-use flame retardant: Single-use flame retardant JV-809 is a complex of phosphate esters and various flame-retardant components, suitable for flame-retardant finishing of pure cotton, polyester, and their blended fabrics. The finished fabric achieves excellent flame-retardant properties. Durable flame retardant: Durable flame retardant JV-801 is a durable flame retardant for polyester fabrics, more durable than the single-use type. Both are colorless or pale yellow transparent liquids, easily soluble in cold water. The single-use flame retardant is characterized by its ability to impart excellent flame-retardant properties to fabrics, with virtually no afterburning after treatment. It has little impact on fabric strength; requires only a small dosage, requires no special equipment during processing, is easy to operate, and is formaldehyde-free, colorless, odorless, non-toxic, and non-irritating. The durable flame retardant is characterized by: achieving good flame-retardant effects with a relatively low dosage; minimal impact on the strength and hand feel of the finished fabric; very low volatility and non-toxic; applicable to standard forming machines; the main components are: a complex of phosphate esters and various flame-retardant components, packaged and stored in the same manner.