IS 269, 712, 5514, 1727, 2645, 6932 (PART IX) BS 6463
It is used for the determination of soundness by expansion method
of ordinary and rapid hardening Portland cement, low heat Portland
cement and class 'A' Limes.
Specification :
It consists of a small split cylinder forming a mould.
On either side of the split cylinder. Two parallel indicating arms with
pointed ends are attached. Supplied complete with two glass plates
and a lead weight.