... ) Particle size (20 mesh): 95.0% min Choline ChlorideSpecifications:Features:1) Purity: 50, 60, 70%2) Moisture: 2.0% max 3) Particle size (20 ... mesh): 95.0% min4) Liquid purity: 70, 75%5) PH Value: 6.5 - 8.0 ... 6) Trimethylamine: 300ppm max7) Heavy metal: 20ppm maxProducts: 1) 50, 60, 70% corn cob powder 2) 50, 60% silica powder 3) ...