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CEN Standard Sand
CEN Standard sand (ISO standard sand) is a natural sand, which is siliceous sand consisting preferably of rounded particles and has a silica content of atleast 98% , particularly its finest fractions .It is dried, screened and prepared in a modern workshop which offers every guarantee in terms of quality and consistency.
The sand is packaged in polyethylene bags( Standing Pouche ) each containing 1 350 +5 g.
Deliveries are made in boxes of 10 bags weighing 13.5 kg and suitably protected by a polyethylene cover.
2- Particle Size Distribution
The grading, measured by sieving, complies with the requirements of EN 196-1:1994 and ISO 679 : 2009 ( E ) .
Square mesh Size (mm)
Cumulative sieve residue(%)
|1.60||7 + 5|
|1.00||33 + 5|
|0.50||67 + 5|
|0.16||87 + 5|
|0.08||99 + 1|
This analysis is complemented by bag mass controls, water content controls and strength controls, in accordance with EN 196-1:1994 and ISO 679 : 2009 ( E ).
|Control the strength of cement|
Standard sand is used to control the strength of cement and other hydraulic binders : The methods of testing cement strength requires the use of standard sand and reference sand. They are used to measure resistance to compression of test pieces of mortar.
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