ASTM C778 20-30 sand

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Standard sand 20-30 / ASTM C778#Sand ASTM C778 20-30#ASTM graded C778 20-30 sand

Cement testing standardized sand specifications

 Characteristics

Sand 20-30 is composed of local siliceous sands (99% silica content) natural with a water content of less than 0.1%. The constituent grains of these sands are uncrushed and have a rounded shape. The sand is packaged in a 16 kg bucket.

Deliveries are made on pallets of 36 to 48 buckets with a gross mass of 590 kg to 780 kg, protected by reinforced cardboard.

This sand is used for testing cements.

Controls

The granularity of sand 20-30 is fixed by standard ASTM C 778. The average production control is:

Tamis maille carree (mm) Passants cumules (%)
Courbe moyenne C778 graded
1,18 100 100
1,00 99,9
0,85 99,,8 85 á 100
0,63 7,3
0,60 3,4 0 á 5
0,50 0

This sand has been certified in accordance with the ASTM C778 20-30 standard by the TERRACON

 laboratory (Texas).

These checks are carried out by the SNL laboratory. They are the subject of a certificate per delivery.

Sand ASTM C778 20-30#ASTM C778 20-30 sand#Standardized ASTM C778 20-30 sand#Cement testing standardized sand#Standard sand 20-30 or ASTM C778#STANDARD SAND 20-30 / ASTM C778#Standard sand 20-30 / ASTM C778#ASTM graded C778 20-30 sand

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