Ammonium polyphosphate (phaseα<₹-II)

Molecular formula : (NH4PO3)n n>100β☆0 CAS No.: 68333-79-9 EIN✘ ECS No.: 269-789-9 HS CODE↔¶ ±: 2835.3990 Model N♦÷<o.: TF-FR201, TF-FR201S

Product introduction

Ammonium polyphosphat÷δe (Phase II) is a non-h₹>alogen flame retardant. It acts as $ flame retardant by intumeΩφ♥scence mechanism. When APP-IIπ  is exposed to fire or h‌​eat, it decomposes to <>₽ polymeric phosphate ‌αφacid and ammonia. The po <lyphosphoric acid reacts with α★hydroxyl groups to form a nonΩφ•↑stable phosphateesteπ♥r. Following dehydra •≠>tion of the phosphateest&‍φer, a carbon foam is bui>✘<←lt up on the surface and acts as an ‌ insulation layer.

Features

Product Usage

1. used to prepare many kinds of hig‍&φh-efficiency intumescent coa  →ting, the flameproof ↑'↕§;treatment for wood,multistory building, shi"​™ps, trains, cables, etc.
2. used as the main flameproof additive>  for expanding-type flame retardan↕♦£t used in plastic, re'ε sin, rubber, etc.
3. make into powder extinguishin←♦©δg agent to be used in≥©™ large-area outfire for forπ®est, oil field and co‍×"al field, etc.

4. In plastics(PP, PE, etc.≤← ), Polyester, Rubber, and Expandable ÷∞fireproof coatings.

5. used for textile coatings.

Product index

Specification

TF-FR201

TF-FR201S

Appearance

 White powder

White powder

P2O5 (w/w)

≥71%

≥70%

N Content (w/w)

≥14%

≥14%

Decomposition Temperπ$™φature (TGA, 99%)

275

275

Solubility  (10% aq. , at 25ºC)

<0.45%

0.7%

pH value  ( 10% aq., a25ºC )

5.5-7.5

5.5-7.5

Viscosity  (10% aq, at 25)

 <20 mpa.s

20 mpa.s

Moisture  (w/w)π£σ

0.25%

0.25%

Average Partical size (D50)

15~25µm

<12µm

Packing :TF-FR201 25kg/bag, 24mt/20’fcl↔₩×∑ without pallets, 20mt/20’fcl with pal♠£↓•lets. Other packing €₹‌φas request.

       TF-FR201S 20kg/bag, 20mt/20’fcl without pallets, 18mt/20’fcl with pallets. Other packing¶±"Ω as request.

 

Storage: in dry and cool place, keeping™≥ out of moisture and sunshine, shelf • σ®life two year.