we provide Alkaline proteinase,Used in detergent, leather, silk, ferment and medicinal industry. ,g/ml 0.6 -1.0 ,min( 25 ) ≤ 2.5 ≥ 1.4mm,% ≤ 2.0 1.25-1.4 mm,% ≤ 3.0 0.45 -1.25 mm,% ≥ 85 ≤ 0.180 mm,% ≤ 5.0 PH ( 1% ,25 )9.0 -12.0 ,% 0 -20 ,% ≤ 3.0 (u/g ) 0.5-20 ,% ≤ 5.0 12 ≥ % 80 1 QB1803-93 2 PH 9-12 ,, 40-55,. 3,. 4 12 .