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