натриевый бентонит

The function and use of PNa is much more widely than PCa. It has fine breathability,good wet strenth and favorable compressive strength in presicion casting,which can prevent foundry from shrinkages and sand. Have good cohesiveness and reducibility in metallurgy. Has appropriate proportion of plasma and is good at fixing sand slurry-supported function and civil engineering,with sealing and stronging bond in engineering drilling. Has the ability of sealing and stronging bond in fixing the sand and civil engineering. 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. It has 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 company in the same industry. it is packed in plactic filminner the woven bag outside or as customer 's requirement Technical parameters Granularity (0.075mm) Finite volume dilation (Ml/1g) Colloidindex