astm graded and 20 30 sand datasheet -...
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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
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