发明授权
US5520860A Process for preparing granular sodium silicates 失效
制备颗粒状硅酸钠的方法

Process for preparing granular sodium silicates
摘要:
To prepare a compacted, granular sodium silicate having an SiO.sub.2 /Na.sub.2 O molar ratio of 1.7:1 to 4.1:1, sodium silicate having a median particle diameter of
信息查询
0/0