| 摘要 |
<p>Fine powder for 2,5-dichloro benzoguanamine or its salts is made by (a) feeding to a tooth mill at 20-100 kg/hr. and stirring at 10,000-25,000 rpm.; or (b) feeding at 20-100 kg/hr to a mesh mill at 6,000-15,000 rpm.; or (c) feeding at 10-50 kg/hr to a jet mill with air pressure 3-10 kg/sq.cm. and flow rate 100-300 cu.m./hr.</p> |
