Item Technical index
Ammonium biphosphate content， % 75±3
Bulk density， g/ml 0.9±0.1
Water content rate， % ≤ 0.20
Moisture rate， % ≤ 3.00
Antiblocking， mm ≥ 16.0
Repellency no absorbing water obviously and no agglomeration
Granularity distribution ，%
0.250mm 0.0
0.250~0.125mm 4±3
0.125~0.063mm 15±6
0.063~0.040mm 16±6
Base plate ≥ 50.0
Low temperature resistance， s ≤ 5.0
Electric insulativity， kV ≥ 5.00
Color yellow
Ejection performance ，% ≥ 90
Extinguishing A fire performance
three times extinguishing test to mix twice extinguishing success
Extinguishing B and C fire performance
three times extinguishing test to mix twice extinguishing success
