1).Quality specification:
1. Appearance :  light(yellow) offwhite, free-flowing powder
2. Moisture content  (@105℃, 2hrs ) : ≤12%
3. Granularity  (<76μm or 200mesh ) : ≥95%
4. Swell index  ( 16 hrs )           : ≥22ml/g
5. Bulk density                    :550-650 g/L
6.Heavy metal   ( Pb)             : ≤15 mg/kg
7. Arsenic       (As )             : ≤ 5 mg/kg

2).Characteristics and Application :
BK-887A is Li-bentonite which is made from bentonite by purifying and modifying. Good thixotropic property, high dilatability, good thickening.
Used in water-based coatings and alcoholic group systems, precision casting, ceramic color oil coatings, emulsion coatings, blunge water, self-leveling flooring compounds, etc.

3).The international countertype is: Bentone EW/LT, Laporte WH,OPTIBENT616