SPECIFICATIONS FOR FOUNDRY BENTONITE

GRADE : BENTO - NR

Physical Properties
pH 8.5 – 10
Free Swell Value 28 – 30 ml
MBA value 370 mg / gm min
 Moisture 14% max
 Gel Time Instant
Gel Index 60 ml min
GCS 10 – 12 psi
Particle Size > 200 BSS Mesh 80% min

Chemical Properties
LOI 8.5 – 10%
SiO2 28 – 30 ml%
Fe2O3 370 mg / gm min%
Al2O3 14% max%
CaO Instant%
MgO 60 ml min%
Na2O 10 – 12 psi%

GRADE : BENTO – FR

Physical Properties
pH 8.5 – 10
Free Swell Value 30 ml min
MBA value 400 mg / gm min
 Moisture 14% max
 Gel Time Instant
Gel Index 70 ml min
GCS 12 – 14 psi
Particle Size > 200 BSS Mesh 80% min

Chemical Properties
LOI 8 – 10%
SiO2 48 – 54%
Fe2O3 14 – 18%
Al2O3 14 – 17%
CaO 1.5 – 2.8%
MgO 2 – 3%
Na2O 2.2 – 3%

For customized requirement mesh size, get in touch with us and share your specifications / requirement at info@novatechminerals.com