The fineness of cement has a significant effect in its physical properties when used in concrete. Generally the finer the cement powder, the more rapid the concrete will set, as there is an increase in its surface area. The measure of fineness is usually undertaken by sieving, anmore...
The fineness of cement has a significant effect in its physical properties when used in concrete. Generally the finer the cement powder, the more rapid the concrete will set, as there is an increase in its surface area. The measure of fineness is usually undertaken by sieving, anmore...
blain air permeability apparatus, (as per specifications of is:5516) the variable flow type air-permeability apparatus (blane type) shall consist essentially of a means for drawing a definite quantity of air under a falling pressure head through a prepared bed of powder of a defimore...
Air Permeability Apparatus, Blaine Type (AIM 390) Ref Std : IS 5516 This apparatus is supplied with ISI mark. It is variable flow type Air Permeability Apparatus. Application 1/2 inch and 1/4 inch microphone preamplifier Industry Civil Infrastructure Cement/RMC Constructionmore...
The fineness of cement has a significant effect in its physical properties when used in concrete. Generally the finer the cement powder, the more rapid the concrete will set, as there is an increase in its surface area. The measure of fineness is usually undertaken by sieving, anmore...
To determine the fineness of cements, pozzolanas and other powdery materials, various international specifications recommend the use of "specific area" method. In the methods described below, air permeability methods are used to determine the specific surface as total surface aremore...