Products - Aggregate
Aggregate is an important material used in civil construction. The dark hard rock is crushed and serves as base material under foundations, roads, and railway tracks. It is also used as additives and binder to asphalt and concrete mixes.

SGX has a abundant reserves of Aggregate in Visakhapatnam district of Andhra Pradesh.
Product Specification
20mm coarse grade Aggregate sample taken for test.
Parameters Value
Specific Gravity 2.818
Water Absorption % by Mass 0.23
Impact Value % by Mass 15
Crushing Value % by Mass 21
Flakiness Index % by Mass 15.8
Elongation Index % by Mass 4.5  
10 Percent Fines value in kN 183
Percent of wear by weight by using Los Angeles Abrasion 17.7
IS Sieve Designation:
12.5 to 10 mm
20 to 12.5 mm
Sulphate content in % by mass 0.015
Water Soluble chlorides in % by mass 0.010
Potential Reactivity of Aggregate

i. Dissolved Silica in millimoles/litre
ii. Reduction in Alkalinity in millimoles/litre

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