Hong Kong Testing Co., Ltd. provides physical and chemical testing of aggregate according to
British Standard (BS 812) ,
American Standard (ASTM) and
Hong Kong Construction Standard (CS3)
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Physical |
Chemical |
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Particle size distribution
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Clay, silt and dust content
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Flakiness index
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Elongation index
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Shell content
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Relative density and water absorption
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Bulk density
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Moisture content
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Aggregate crushing value
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Methylene blue value
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Los Angeles value
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Ten per cent fines value
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Impact value
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Soundness
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Drying shrinkage
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Effect of organic substances by mortar method
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Total sulphate content
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Acid / Water-soluble sulphate content
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Acid / Water-soluble chloride salts
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Acid-soluble material
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Soluble calcium oxide content
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Soluble silica content
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Presence of humus
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