Pozzolana Materials (Fly Ash, Microsilica)

Lab Overview

Fly Ash & Micro Silica Testing Room

Dedicated testing room equipped with Le Chatelier water bath, digital length comparator, Blaine air permeability apparatus, Vicat apparatus and vibration machine for fly ash and micro silica testing.

Physical Testing

Cement Paste Preparation

Engineer in full PPE preparing cement–fly ash paste on mixing plate for consistency, soundness and compressive strength determination per IS 1727.

Fineness Testing

Blaine Air Permeability Test

Weighing sample near the Blaine apparatus for specific surface area (fineness) determination of fly ash per IS 1727 (Clause 6.1).

Chemical Testing

Chemical Analysis

Analyst performing chemical characterisation of fly ash / micro silica sample — determining SiO₂, Al₂O₃, Fe₂O₃, CaO, MgO and loss on ignition per IS 1727.

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NABL Accredited Laboratory

Scope of Accreditation

S.No	Discipline / Group	Materials or Products Tested	Component / Parameter / Characteristic Tested & Specific Test Performed	Test Method Specification / Technique / Equipment
Fly Ash — Mechanical Tests
1	MECHANICALBuilding, Infrastructure & Construction Materials	Fly Ash	Compressive Strength	IS 1727 (Clause 10)
2	MECHANICALBuilding, Infrastructure & Construction Materials	Fly Ash	Drying Shrinkage	IS 1727 (Clause 12)
3	MECHANICALBuilding, Infrastructure & Construction Materials	Fly Ash	Fineness	IS 1727 (Clause 6.1) by Blaine Air Permeability Method
4	MECHANICALBuilding, Infrastructure & Construction Materials	Fly Ash	Fineness by Sieving (45 Micron Wet Sieving)	IS 1727 (Clause 6.2)
5	MECHANICALBuilding, Infrastructure & Construction Materials	Fly Ash	Lime Reactivity	IS 1727 (Clause 9)
6	MECHANICALBuilding, Infrastructure & Construction Materials	Fly Ash	Soundness	IS 1727 (Clause 7.2) by Autoclave
7	MECHANICALBuilding, Infrastructure & Construction Materials	Fly Ash	Specific Gravity	IS 1727 (Clause 15)
Fly Ash — Chemical Tests
8	CHEMICALBuilding Material	Pozzolana Material (Fly Ash)	Aluminum Oxide	IS 1727 (Clause 5.7)
9	CHEMICALBuilding Material	Pozzolana Material (Fly Ash)	Calcium Oxide	IS 1727 (Clause 5.8)
10	CHEMICALBuilding Material	Pozzolana Material (Fly Ash)	Ferric Oxide	IS 1727 (Clause 5.6)
11	CHEMICALBuilding Material	Pozzolana Material (Fly Ash)	Loss on Ignition	IS 1727 (Clause 5.3)
12	CHEMICALBuilding Material	Pozzolana Material (Fly Ash)	Magnesium	IS 1727 (Clause 5.9)
29	CHEMICALBuilding Material	Pozzolana Material (Fly Ash)	Silicon	IS 1727 (Clause 5.4)
13	CHEMICALBuilding Material	Pozzolana Material (Fly Ash)	Sulphate	IS 1727 (Clause 5.10)
14	CHEMICALBuilding Material	Pozzolana Material (Fly Ash)	Total Chloride	IS 4032 (Clause 4.11)
Micro Silica — Mechanical Tests
15	MECHANICALBuilding, Infrastructure & Construction Materials	Micro Silica	Compressive Strength	IS 1727 (Clause 10)
Micro Silica — Chemical Tests
16	CHEMICALBuilding Material	Micro Silica	Loss on Ignition	IS 1727 (Clause 5.3)
17	CHEMICALBuilding Material	Micro Silica	Moisture	IS 15388
18	CHEMICALBuilding Material	Micro Silica	Silica (as SiO₂)	IS 1727
19	CHEMICALBuilding Material	Micro Silica	Total Alkalies (as Na₂O)	IS 15388