Testing Silica

U.S. Silica's testing sands are appropriate for Hydraulic and Masonry Testing (C-109)

They are available in Graded and 20/30 grades, both conforming to ASTM C-778

"The Original Ottawa Silica"

ASTM Cement Testing Standards Requiring Ottawa Sands

USAGE PER TEST

Material Test Method Standard Silica Type Grams Pounds Comments

Standard Silica Specification C-778-03 Graded Source: Ottawa, IL

Standard Silica Specification C-778-03 20-30 Source: Ottawa, IL

Hydraulic Cement Compressive

Strength

C-109 Graded 1375/2035 3.0/4.5 6 or 9: 2" Cubes

Hydraulic Cement Air Content C-185-01 20-30 1400 3.1 % Water Varies

Hydraulic Cement Specification C-91-97 (50%) Graded

(50%) 20-30

735

735

1.6

1.6

Compressive

Strength, Water

Retention and Air

Entrapment Tests

Hydraulic and Masonry Testing

• Three meticulously size-controlled silicas

• Industry leader in production of high-quality silicas for calibration of equipment and mixes

Chromatography

• Highly selective adsorbent, unique for its extremely white, hard-powdered synthetic magnesium-silica gel (synthetic

magnesium)

• Sample preparation

• General column chromatography

• Isolation of steroids, sex hormones and related compounds

• Pesticide residue cleanup

• Isolation of antibiotics