Is an inorganic salt in granular shape with chemical formation, CaCl2 is used in preparation of oil base muds to prevent clay swelling and non solid work over fluid saturated CaCl2 water base polymer muds. It is soluble in water and alcolol.
Typical Physical Properties
Specification
|
Unit
|
Properties
|
77 min
|
Wt %
|
Purity as CaCl2
|
7 min
|
-
|
PH
|
4 ± 1
|
%
|
Moisture content
|
3 max
|
%
|
Water insoluble solids
|
0
|
%
|
Residue on ASTM sieve 3/8 in.
|
80 ± 10
|
%
|
Residue on ASTM sieve No. 40 (Mesh 39)
|
83.5 min
|
PCF
|
Specific gravity (280 gr CaCl2 in 350 ml. water)
|
0
|
Vol %
|
Sedimentation of insoluble solids in saturated solution)
|