
Fineness of cement has an important role on the rate of hydration and rate of gaining strength. Finer cement reacts quickly with water and develop early strength, however fineness also increases the incidence of shrinkage and cracking in concrete.
Used to determine the particle size of Portland cement, limes and similar powders
Standards EN 196-6 ASTM D1587 AASHTO T153
Used to determine the particle size of Portland cement, limes and similar powders expressed in terms of their specific surface. It consists of a stainless steel cell, perforated disc and plunger. An U-tube glass manometer is fit to the steel stand. The set is supplied complete with rubber aspirator, pack of filter paper and thermometer.
special stainless steel sieve, 0.045 mm opening, a spray nozzle 17.5 mm dia. with...
Standards EN 451-2 ASTM C430
The apparatus, used for determining the fly ash fineness by wet sieving, comprises a special stainless steel sieve, 0.045 mm opening, a spray nozzle 17.5 mm dia. with 17 holes 0.5 mm dia oriented ans spaced conforming to the specifications, a pressure gauge 80 mm dia. and fittings for connection to the water supply.