Commercial Name: CS FR APP 231 

Chemical Formula: (NH4PO3)n  n≥1000

Executive Standard:HG/T2770-2008

Benefits:

1. Halogen and formaldehyde-free, non-toxic and does not generate additional quantities of smoke.
2. Requires lower loadings ensuring lower cost, better properties retention and excellent flow.
3. Exhibits excellent processability, good retention of mechanical and electrical properties in thermoplastic formulations.
4. High polymerization degree ("n" value > 1000), higher thermal stability and lower water solubility than APP-I.

Chemical Properties:

Applications:

1. Used to prepare many types of high-efficiency intumescent coatings for the flame proof treatment of multi-story buildings, ships, trains, cables, etc.
2. Used as the main flameproof additive for expanding-type flame retardants used in plastics, resin, rubber, PU and PU foam.
3. Used in plastics (PP, PE, PVC, etc.), polyester, rubber, expandable fireproof coatings.
4. Flameproof treatment for woods, plywood, fiberboard, papers, and fibers.

Packing:

1. 25 kg net weight woven plastic / polyethylene bags
2. 20 MT per 20 foot container without pallet
3. Default Packing: with our logo; Neutral Packing: Without our logo; Blank Packing.