POWDER: ABC 75%NH4H2PO4 500g FIRE TEST RATING: 1A:2B:C MAXIMUM PRESSURE: 690KPa WORKING GAS: N2 OPERATING TEMPERATURE: -40C-+50C Obtain the national appearance patent. Aluminium system, + can't oxidize aluminium not the whole (the red /silver /the blue), hight;275mm , diameter; 64mm, weight; 1. 0kg, Time is 12 seconds to spray effectively Maximum effective discharge time seconds:≥12 S, Body material:Aluminum