Natural Pozzolan Mineral Additive for Cement and Concrete

Name: Natural Pozzolan Mineral Additive for Cement and Concrete
SKU: SBS-1023

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Supplied by

SONG DA -TRUONG SON

NGHE AN, Vietnam

Supplier-provided listing

Product descriptions, specifications, origin, availability and delivery claims have not been independently verified by StoneBuyAndSell. Request current samples, test reports and commercial terms from the supplier before purchasing.

Description

Natural pozzolan mineral additive from the Quynh Thang deposit in Nghe An province, Vietnam, ground and supplied by Song Da Truong Son JSC for cement, concrete and roller-compacted concrete (RCC). The company publishes test results against ASTM C618: combined SiO2, Al2O3 and Fe2O3 of 74.3 to 75.2%, SO3 of 0.05%, loss on ignition of 2.38%, residue on the 45 micron sieve of 16.75%, and a strength activity index of 80.7% at 7 days and 84.2% at 28 days. It was used in the roller-compacted concrete dam of the Ban Ve hydropower plant. Packed in 50 kg bags or supplied in bulk. Prices are quoted on request per grade, quantity and delivery port. The company supplies container loads for export, with bagged or bulk packing agreed per order. Figures above are the specifications published by the company; confirm the current test certificate for your order. The photo comes from the supplier's own website and illustrates the product or packaging; it is not a measurement of grade or quantity.

Specifications

Origin: Nghe An, Vietnam
Technical Details: Material: Natural pozzolan (volcanic rock) Product: Ground active mineral additive for cement, concrete and roller-compacted concrete (RCC) Deposit: Quynh Thang pozzolan deposit, Nghe An province (reserve stated at about 3.36 million tonnes) Standard: Tested against ASTM C618 and Vietnamese standard 14 TCN 105-1999 SiO2 + Al2O3 + Fe2O3: 74.3 to 75.2% (ASTM C618 requirement 70% min) SO3: 0.05% (4% max); loss on ignition: 2.38% (10% max) Moisture after grinding: 1.32% (3% max); residue on 45 µm sieve: 16.75% (34% max) Strength activity index: 80.7% at 7 days, 84.2% at 28 days (75% min) Reference use: Roller-compacted concrete dam at the Ban Ve hydropower plant, Vietnam Packing: 50 kg bags (as photographed) or bulk Price: On request, quoted per grade, quantity and delivery port Supply: Container loads for export; bulk and bagged supply agreed per order Origin: Nghe An province, Vietnam