TAMIN
IS THE ONLY COMPANY SUPPLYING Indian Standard Sand as per B.I.S.
approval to various cement factories, research laboratories etc.
for testing the quality of cement. The factory is situated at
Ennore 15, km. North of Chennai. The processed sand is marketed
in three grades. TAMIN
has modernized the factory.
PHYSICAL PROPERTIES: Technical
Details
Colour
: Greyish white
Specific gravity: 2.64
Absorption in 24 hours: 0.80%
Shape of grains : Subangular
CHEMICAL
PROPERTIES Chemical
analysis
SiO2 : 99.30%
Fe2O3 : 0.10%
Loss on extraction with hot Hcl: 0.11%
PETROGRAPHIC
ANALYSIS
Quartz 97.40%
Feldspar 2.50%
PARTICLE SIZE AND PERCENTAGE
GRADE
PARTICLE SIZE PERCENTAGE
Grade-I Less than 2mm and greater than 1mm 33.33%
Grade-II Less than 1mm and greater than 0.50mm 33.33%
Grade-III Less than 0.5mm and greater than 0.09mm 33.33%
