Halogen Free Flame Retardant Ammonium Polyphosphate Phase II

Place of Origin China
Brand Name TFCARE
Certification REACH/ CO/SGS
Model Number TF-201
Minimum Order Quantity 100kgs
Price negotiation
Packaging Details 25kg/bag or 1000kg/super bag , 20mt/20'fcl with pallets , 25mt/fcl without pallet.
Delivery Time 5-8days
Payment Terms T/T, L/C, Western Union, D/P
Supply Ability 500mt/month

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Product Details
Quality Equal To AP422 And CROS484 Appearance White Fine Powder
Solubility Low Viscocity Low And Steady
TGA More Than 270 Centi-grade Price Competitive
Advantage Good Stability Usage Coating Auxiliary Agents
Color White
High Light

Ammonium Polyphosphate Phase II AP422


Flame Retardant Ammonium Polyphosphate Equal Type


Flame Retardant Ammonium Polyphosphate CROS484

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Product Description

Halogen Free Flame Retardant Ammonium Polyphosphate Phase II


When the temperature is within 250℃ , the property of steel changes very little. When the temperature reaches above 300℃ , the strength gradually decreases . When the temperature reaches 450℃ to 650℃, the strength usually drops to zero only in about 15 minutes . Therefore , the steel structure must be coated with intumescent coating to improve its fire resistance limit to meet the requirements of building design .


Intumescent coating is popular in the markeet because of the thin thickness and excellent dcoration effect. 


The theory of fireproofing :


Insulation effect and the heat transfer is stopped by intumescent carbon layer .

Heat absorption because of the intumescent process , it will absorb lots of heat during the process of softening , fusion , evaporation and form the carbon layer .


Ammonium polyphosphate (TF-201) is usually working together with melamine and pentaerythritol .

Ammonium polyphosphate (APP) as acid donor , Melamine (MEL) as gas donor and Pentaerythritol (Penta) as carbon donor , these three factors are composed of an intumescent flame retardant system. 


TF-201 is suitable for water based and solvent based coatings with difference addition volume and formular . If you need reference furmular , pls contact us freely . 



Specification of TF-201 :





White powder

P2O5 (w/w)


N Content (w/w)


Decomposition Temperature (TGA, 99%)


Solubility (10% aq. , at 25ºC)


pH value ( 10% aq. At 25ºC )


Viscosity (10% aq, at 25℃)

<20 mpa.s

Moisture (w/w)


Average Partical size (D50)


Packing : 25kg/bag or 1000kg/super bag , 20mt/20'fcl with pallets , 25mt/fcl without pallet.
Shelf life:  more than 2 years within good sealed storage.