Flame Retardant Ammonium Polyphosphate For Intumescent Coating
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|Product Name||Flame Retardant Ammonium Polyphosphate For Intumescent Coating||Appearance||White Powder|
|Base||N And P Base||Environmentally||Friendly|
|Average Partical Size (D50)||15-25UM|
Flame Retardant Ammonium Polyphosphate,
Intumescent Coating Flame Retardant Ammonium Polyphosphate,
N And P Base Ammonium Polyphosphate
Top Flame Retardant Ammonium Polyphosphate For Intumescent Coating
Ammonium polyphosphate (Phase II) 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.
|Appearance||White powder||White powder|
|N Content (w/w)||≥14%||≥14%|
|Decomposition Temperature (TGA, 99%)||＞275℃||＞275℃|
|Solubility (10% aq. , at 25ºC)||＜0.5%||＜0.7%|
|pH value ( 10% aq. At 25ºC )||5.5-7.5||5.5-7.5|
|Viscosity (10% aq, at 25℃)||＜20 mpa.s||＜20 mpa.s|
|Average Partical size (D50)||15~25µm||＜12µm|
|Partical Size (D100)||＜90µm||＜40µm|
Advantage: It has good stability in water .
The stability test of APP phase II in 30℃ water 15days.
|Appearance||Viscosity slightly increased|
|Solubility(25℃, g/100ml water)||0.46|
|Viscosity(cp, 10% aq, at 25℃)||＜200|
1.use to prepare many kinds of high-efficiency intumescent coating, the flameproof treatment for wood, multistory building, ships, trains, cables, etc.
2. used as the main flameproof additive for expanding-type flame retardant used in plastic, resin, rubber, etc.
3. make into powder extinguishing agent to be used in large-area outfire for forest, oil field and coal field, etc.
4. In plastics(PP, PE, etc. ), Polyester, Rubber, and Expandable fireproof coatings.
5. used for textile coatings.
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