BENTONITE (CALCIUM TYPE)

BENTONITE

FORMULA: (Mg-Ca)O-Al₂O₃-5SiO₂-nH₂O

CAS NO.: 1302-78-9

GRADE: CALCIUM TYPE

DESCRIPTION: POWDER.

SPECIFICATIONS:

ABSORB METHYLENE-BLUE (g/100g)	30 MIN.
GELATINE (ml/15g)	48
EXPANDED MULTIPLE (ml/g)	10 MIN.
WET PRESS STRENGTH (kpa)	30 MIN.
HEAT-WET TENSILE STRENGTH (kpa)	1.5 MIN.
PH VALUE	6.5-7.5
MOISTURE	10% MAX.
FINENESS (THROUGH 200 MESH)	95% MIN.

USES: used to be the foundry sand binder in cast iron and cast steal's mixed mould, surface dry mould, fired mould and pressure moulding.

PACKING: PACKED IN 25KG, 50KG, 1000KG BAG.

HS.NO.: 2508.1000