Semi-durable Flame Retardant

Semi-durable Flame Retardant

Alfa Chemistry offers semi-durable flame retardant consisting of organophosphorus nitrogen phosphate esters. This product can be widely used in the flame retardant treatment and processing of polyester, acrylic fibers, cellulosic fibers, and wool.


AppearanceColorless or pale yellow liquid
Solid Content48±1%
StorageStored in cool, dry and ventilated warehouse, avoid direct sunlight


Semi-durable flame retardant provided by Alfa Chemistry mainly has the following advantages:

  • It is environmentally friendly and efficient, a small amount of use can achieve good flame retardant effect.
  • It has small moisture absorption, and after processing, the fabric is dry and non-greasy, with good handfeel.
  • It has good compatibility and can be used in the same bath with a variety of functional additives, with little interference to others.
  • It is not easy to cause color change of fabrics and has no irritation to skin.

Usage and Dosage

It is recommended to use 60-200 g/L for polyester and 100-400 g/L for cotton and polyester-cotton. The dosage can be adjusted according to the specific type of cloth, fiber and dyestuff quality.

Choose Alfa Chemistry

Alfa Chemistry specializes in providing innovative and efficient flame retardants for various industries. We continue to innovate technology, improve product quality and optimize product mix so as to satisfy the latest market demand for flame retardant products. If you don't find the product you need, please feel free to contact us. We can also provide product customization according to your specific needs.

※ Please kindly note that our products and services are for research use only.