calcium bentonite

Widely used in ordinary casting, general metallurgical Ball bonding groups, feed Add (containing Ze, K, Mg, Na, Ca, Ae, I trace elements), summer fertilizer granulation, formation works well drilling, etc. Using this bentonite can help to avoid "sand inclusion and peeling"phenmenon of casting.to improve precision and degree of finish and rete of finished products of casting,to make casting technique performance better. Ithas high strength of water absorption.also it has characteristics of non poison non contact corrosion non environment.it aslo can be used as desiccant of food stuff,medicament.its price is lower than any other companies in our ountry. Itis packed in plactic filminner the woven bag outside or as customer 's requirement. 1)Technical parameters Water (%) Mudmakingrate (M3/t) Granularity (0.0075) Blue absorption (ml15g) Expansivity (ML/1g) Colloid viscosity ( ml/15g) 10 7 -9 95% 32--34 6-8 60--67 2)maionly component content SiO2(%) Al2O3(%)CaO(%)Na2O(%)Fe2O3(%)CuO(%)ZuO(%)≥66.36≥16.38≥2.71≥0.31≥2.08≥0.35≥0.22 MnO MgO(%)Se(%)I(%)Co(%)K2O(%)≥0.15≥3.18≥0.17≥0.15≥0.07≥0.97