Special Bentonite for Foundry
used in foundry industry for molding. Bentonite is the main part of the glue, which holds the grain of the molding sand together.
Type of packaging : Paper bag 25kg & 100lbs
Blue Absorption Value (mmol) 96. min
Electric Conductivity (QS/cm) 350 - 750
Swelling Volume (ml) 18. min
Standard Sieve 200 (%) 80. min
Moisture content (%) 12. max
pH 8 - 10.5
Apparent Specific Gravity (gr/ml) 0.6 - 0.8