SGS 68333-79-9 Polyphosphoric Acids PU Flame Retardant

Place of Origin CHINA
Brand Name Taifeng
Certification REACH / SGS / ISO
Model Number TF-303
Minimum Order Quantity 200kg
Price Negotiable
Packaging Details kraft paper bag, pallet
Delivery Time 5-8days
Payment Terms T/T, L/C, D/P
Supply Ability 200 ton per month

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Product Details
Description Ammonium Polyphosphate Type Intumescent
Environmentally Halogen Free Degree Of Polymerization Less Than 20
Transparency Transparency CAS No. 68333-79-9
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68333-79-9 PU Flame Retardant


68333-79-9 Polyphosphoric Acids


SGS PU Flame Retardant

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Product Description

Fireproof PU Topcoat with Transparency on Wood Surface


Description of Product


Molecular formula : (NH4)n+2PnO3n+1 n<20
CAS No.: 68333-79-9
EINECS No.: 269-789-9
HS CODE: 2835.3990
Model No.: TF- 303, 304
Other name: polyphosphoric acids, ammonium salts


Properties: Ammonium polyphosphate with short chain and low polymerization degree, PH value is neutral.




Appearance White crystalline powder
P2O5 content (w/w) ≥59.5%
N content (w/w) ≥17.5%
pH value ( 10% water solution ) 5.0-7.0
Solubility (at 25ºC in 100ml water) ≥150g
Water insoluble(25ºC) ≤0.02%
Arsenic /


Application :

1. Aqueous solution is used for the retardant treatment .To prepare 15-25%P-N flame retardant, used solely or together with other materials in the flameproof treatment for textiles, papers, fibers and woods, etc. To apply by autoclave, immersion or by spray both ok. If special treatment, it can be used to prepare high-concentration flameproof liquid to 50% to meet the flameproof requirement of special production.
2. It also can be used as flame retardant in water based fire extinguisher and wood varnish.
3. It is also used as a high concentration of binary compound fertilizer, slow released fertilizer.


Packing : 25kg/bag , 24mt/fcl without pallet, 20mt/fcl with pallet.


Storage: in dry and cool place, keeping out of moisture and sunshine, shelf life one year.

SGS 68333-79-9 Polyphosphoric Acids PU Flame Retardant 0