Ammonium Polyphosphate (APP)
1. Basic Indicators
Molecular formula | (NH4PO3)n |
Cas No.: | 68333-79-9 |
Appearance: | White powder |
H.S Code: | 2835399000 |
2. Technical Specifications
Item | APPⅠ | APPⅡ | APP Ⅲ | APP Ⅳ |
P2O5(≥) | 71 | 70 | 68 | 45 |
N (≥) | 14 | 13 | 13 | 25 |
pH value | 6-7 | 5-7 | 5-7 | 5-7 |
Thermal decomposition temperature (≥) | 275 | 270 | 250 | Dissolved |
Average degree of polymerizatoin | ≥1000 | ≥200 | ≥50 | 20 |
3. Application
1). Used in the preparation of intumescent flame retardant coating.
2). Used in adhesive and sealant.
3). Used in the flame retardant treatment of wood, paper, plywood and fiber board.
4). Used in epoxy or unsaturated resin and other thermosetting resin.
4. Packing and Storage
Packing: Double coated plastic woven bag, 25kg net; 500kg / 1000kg jumbo bags.
Storage: Dry, ventilated, moisture proof.
