Ammonium Polyphosphate CAS-No.: 68333-79-9
Ammonium polyphosphate is a white free flowing powder. It is a non-halogenated additive flame retardant。Ammonium polyphosphate is particularly suitable as an ”acid donor” for intumescent coatings. Other essential components of intumescent systems include a binder, a carbon donor (e.g. pentaerythritol) and a blowing agent (e.g. melamine).
Chemical formula(NH4PO3)n,company brand HT-208
Specification: APP（n=1000）、APP（n=200）、APP（n=50）
The Technology and Physicochemical Indexes:
| Appearance | White powder/ block |
| Characteristics | Highly-active,excellent processing performance |
| Item | N≥200 |
| P2O5 content % | ≥70.0 |
| Nitrogen content % | ≥14.0 |
| Mean polymerization Ñ | ≥200 |
| Solubility (g/100mLH2O) | --- |
| PH value | 5.0-7.0 |
| Mean particle diameter (D50) µ m | --- |
| Moisture % | --- |
| Viscosity mpa.s | --- |
| Residue on sieve (200 mesh) % | --- |
The Technology and Physical chemical Indexes:
Appearance :White powder
Characteristics :Highly-active,excellent processing performance
N≥50(phase I)） N≥200 N≥1000（(phase II)）
P2O5 content % ≥69.0 ≥70.0 ≥71.0
Nitrogen content % ≥14.0 ≥14.0 ≥14.0
Mean polymerization Ñ ≥50 ≥200 ≥1000
Solubility (g/100mLH2O) --- --- ≤1.0
PH value 5.0-7.0 5.0-7.0 5.5-7.5
Mean particle diameter(D50) .µ m --- --- ≤20
Moisture % --- --- ≤0.25 (130℃)
Viscosity mpa.s --- --- According to customer`s requirements
Residue on sieve ,(200 mesh) % --- --- Pass
Series
| type | P2O5 % | Nitrogen % |
| Ammonium polyphosphate，N≥1000 (phase II) | ≥71.0 | ≥14.0 |
| Ammonium polyphosphate, N≥200 | ≥70.0 | ≥14.0 |
| Ammonium polyphosphate, N≥50) (phase I) | ≥69.0 | ≥14.0 |
Application
used to produce intumescent type Fire-Retardant Coating.，Polyurethane foams
used in plastic, rubber, coating, adhesives, sealant, and fiber.
applied in flame retarding treatment of wood, paper, and fibreboard.
applied in epoxy resin or unsaturated polyester.
Storage:Store in dry, normal temperature, moisture prevention
Other related items of our company:
1. Zinc Borate
2. Melamine Cyanurate
3.Aluminum Hydroxide
4. Magnesium Hydroxide
5. Ammonium Polyphosphate
6. Aluminium Hypophosphite
7. Hexaphenoxycyclotriphosphazene (HPCP)
8.Antimony Trioxide
9.Brinated Flame Retardant
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