IS 650 INDIAN STANDARD
Cement testing standard specifications for standard sand
This Indian standard sand IS 650 is made of local natural silica sand (silica content 99 %), having a water content lower than 0.1 %. The constituent grains of this sand are uncrushed and of rounded form. It is packaged in 25 kg. The sand is used for the testing of hydraulic cement.
This standard sand for testing cement is according the Concrete and Soil Research Laboratory, Government of Tamil Nadu and produced in France.
We produce Grade I; II; III:
- in bag of 25 kg,
- in separate part,
- or mixt of 33% grad II 33% grad III 33%.
They are packaged in 25 kg bag and on pallet of 36 to 40 bags protected by reinforced boxes.
The average grading is as follows:
All production is controlled and we deliver for each order a certificate of conformity.