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Halogen Free Ammonium Polyphosphate Flame Retardant For Intumescent Fire Coating

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Halogen Free Ammonium Polyphosphate Flame Retardant For Intumescent Fire Coating

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Brand Name : TFCARE

Model Number : TF-201

Certification : SGS, REACH

Place of Origin : CHINA

MOQ : 1000KGS

Payment Terms : T/T, L/C, D/P, Western Union

Supply Ability : 500mt/ month

Delivery Time : 5-8days

Packaging Details : 25kg/bag or 1mt /bag , 20mt/fcl with pallets

Products : Intumescent Flame Retardant Ammonium Polyphosphate Flame

appearance : white powder

addition volume : 20%-27%

safety : non-dangerous

bulk density : 0.7g/cm3

black peak : class A

smoke : low and nontoxic

water resistance : good

stability : good

viscosity : low

shelf life : 2 years

Application : Intumescent Paint, rubber, PP, Expandable fireproof coating

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Halogen Free Ammonium Polyphosphate Intumescent Flame Retardant For Intumescent Fire Coating

TF-201, it is equal to Clariant Exolit AP422 for intumescent coating. is used for intumescent fireproof coating. It is widely used for paint and fire coatings on wood and construction steel, and plywood, and wood plastic composites.


Specification :

specificationTF-201
AppearanceWhite powder
P content (w/w)≥31
N content (w/w)≥14%
Degree of polymerization≥1000
Moisture (w/w)≤0.3
Solubility (25℃, g/100ml)≤0.5
PH value (10% aqueous suspension, at 25ºC)5.5-7.5
Viscosity(10% aqueous suspension, at 25ºC)<10
Particle size (µm)D50,14-18
D100<80
Whiteness≥85
Decomposition temperatureT99%≥240℃
T95%≥305℃
Color stainA
Conductivity(µs/cm)≤2000
Acid value(mg KOH/g)≤1.0
Bulk density(g/cm3)0.7-0.9

Charateristics:

1. Halogen-free and environmentally friendly flame retardant

2. Low water solubility, extremely low aqueous solution viscosity, low acid value

3. Good thermal stability, migration resistance and precipitation resistance

4. The particle size is extremely small, especially suitable for occasions with high particle size requirements, such as high-end fireproof coatings, textiles

Coating, polyurethane rigid foam, sealant, etc.;

5. Biodegradable into phosphorus and nitrogen compounds


Ammonium Polyphosphate is a non-halogen flame retardant. It acts as flame retardant by intumescence mechanism. When APP-II is exposed to fire or heat, it decomposes to polymeric phosphate acid and ammonia. The polyphosphoric acid reacts with hydroxyl groups to form a nonstable phosphateester. Following dehydration of the phosphateester, a carbon foam is built up on the surface and acts as an insulation layer.




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