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End-to-End, ISO 17025 Quality systems
Cement and concrete, aggregates, road materials, reinforcement steel, prestressing strand, mechanical couplers, bricks, tiles, waterproofing, soil, rock, and in-situ NDT on structures — all under one roof. TC-14270 | ISO/IEC 17025:2017 | ~390 testing parameters.
- Certification — TC-14270
- ~390 Parameters under ISO/IEC 17025:2017
- Serving Contractors, Consultants & Government Agencies
- Reports Accepted by NHAI, CPWD, PWD, Railways, Metro Rail
Section 1 — Cement & Concrete Testing
Every Cement Grade. Every Concrete Property. IS to ASTM.
Physical, chemical, and mechanical characterisation of cement and concrete across fresh and hardened states — supporting mix design approvals, quality surveillance, and project acceptance testing.
Civil materials laboratory — cement, concrete, and aggregate testing capability
Cement Testing Physical + Chemical
View detailed cement test parameters
| Test Category | Tests Performed | Applicable Standards |
|---|---|---|
| Physical — Fineness | Blaine air permeability, sieve residue (90 µm, 45 µm), specific surface area | IS 4031 (Part 1, 2), ASTM C204, C430 |
| Physical — Consistency & Setting | Standard consistency (Vicat needle), initial setting time, final setting time | IS 4031 (Part 4, 5), ASTM C187, C191 |
| Physical — Soundness | Le Chatelier expansion, autoclave expansion | IS 4031 (Part 3), ASTM C151 |
| Mechanical — Strength | Compressive strength at 3-day, 7-day, 28-day (70.6 mm mortar cubes) | IS 4031 (Part 6), ASTM C109 |
| Chemical — Oxides | SiO₂ (silica), Al₂O₃ (alumina), Fe₂O₃ (iron oxide), CaO (lime), MgO (magnesia), SO₃ (sulphates), Na₂O, K₂O, Cl⁻ | IS 4032, ASTM C114 |
| Chemical — Other | Loss on ignition (LOI), insoluble residue (IR), free lime, C₃S/C₂S/C₃A/C₄AF (Bogue calculation) | IS 4032, ASTM C114 |
Concrete Testing Fresh + Hardened
Fresh Concrete
| Test | Standard |
|---|---|
| Slump (cone & flow) | IS 1199, ASTM C143 |
| Air content | IS 1199 (Part 6), ASTM C231 |
| Fresh density | IS 1199 (Part 2), ASTM C138 |
| Temperature | IS 1199 (Part 5), ASTM C1064 |
| Compacting factor | IS 1199 (Part 3) |
| Vee-Bee time | IS 1199 (Part 4) |
Hardened Concrete
| Test | Standard |
|---|---|
| Compressive strength (cubes & cylinders) | IS 516, ASTM C39 |
| Flexural strength (beam) | IS 516 (Part 1/S1), ASTM C78 |
| Split tensile strength | IS 5816, ASTM C496 |
| Water absorption | IS 9284, ASTM C642 |
| Ultrasonic pulse velocity (UPV) | IS 13311 Part 1, ASTM C597 |
| Rebound hammer (Schmidt) | IS 13311 Part 2, EN 12504-2 |
Wide-temperature mechanical testing — −70°C to +180°C: Our environmental chambers enable mechanical testing across a wide temperature range from −70°C to +180°C, simulating extreme service conditions for aerospace, automotive, and industrial composite applications.
- IS 456
- IS 516
- IS 1199
- IS 5816
- IS 13311
- IS 9284
- ASTM C39
- ASTM C78
- ASTM C496
- ASTM C597
Section 2 — Aggregates & Road Materials
Fine, Coarse, and Recycled Aggregates. Bitumen and Asphalt.
Aggregate Testing — Fine & Coarse Grading · Strength · Reactivity
View detailed aggregate test parameters
| Test | Scope | Standard |
|---|---|---|
| Sieve Analysis & Grading | Particle size distribution — wet and dry sieving; fineness modulus; passing percentages per IS/ASTM grading zones | IS 2386 (Part 1), ASTM C136, C117 |
| Specific Gravity & Water Absorption | Bulk and apparent specific gravity; water absorption after 24-hour soaking (coarse and fine) | IS 2386 (Part 3), ASTM C127, C128 |
| Crushing Value | Aggregate crushing value (ACV) — percentage fines under standard compressive load | IS 2386 (Part 4), BS 812 |
| Impact Value | Aggregate impact value (AIV) — resistance to sudden impact loading | IS 2386 (Part 4) |
| Abrasion (Los Angeles) | Los Angeles abrasion value — durability under mechanical wear | IS 2386 (Part 4), ASTM C131, C535 |
| Soundness | Sodium and magnesium sulphate soundness — freeze-thaw durability simulation | IS 2386 (Part 5), ASTM C88 |
| Flakiness & Elongation Index | Shape characterisation of coarse aggregate; combined flakiness/elongation index | IS 2386 (Part 1) |
| Alkali-Silica Reactivity (ASR) | Mortar bar expansion test and chemical method for potential alkali-silica reactivity | ASTM C1260, C289, C1567 |
| Deleterious Material | Clay lumps, friable particles, organic impurities, lightweight pieces, silt content | IS 2386 (Part 2), ASTM C142, C40 |
Bitumen & Road Materials Marshall · Extraction · Rheology
Mix Design
Marshall Stability & Flow
Marshall stability, flow, air voids, VMA, VFB for BC, DBM, and SMA mixes. Standard and modified Marshall.
IS 73, MS-2 (Asphalt Institute)
Mix Analysis
Bitumen Extraction & Content
Binder content by centrifuge and reflux extraction. Aggregate grading of extracted aggregate.
IS 1202, ASTM D2172
Binder Properties
Penetration
Penetration grade determination at 25°C. Grading per VG-10, VG-30, VG-40, VG-40M.
IS 1203, ASTM D5
Binder Properties
Softening Point (R&B)
Ring & Ball softening point determination — temperature susceptibility indicator for bituminous binders.
IS 1205, ASTM D36
Binder Properties
Ductility
Ductility at 25°C and 15°C. Cohesion and tensile ductility for modified bitumen.
IS 1208, ASTM D113
Binder Properties
Viscosity
Absolute viscosity (60°C) and kinematic viscosity (135°C). Saybolt Furol viscosity for cutback bitumen.
IS 1206, ASTM D2170, D2171
Binder Properties
Flash Point & Solubility
Cleveland open cup flash point. Solubility in trichloroethylene and carbon disulphide.
IS 1209, ASTM D92, D2042
Ageing
Loss on Heating (TFOT)
Thin Film Oven Test (TFOT) — mass loss and change in penetration ratio after ageing simulation.
IS 9382, ASTM D1754
Section 3 — Reinforcement Steel, Strand & Coupler Testing
From TMT Rebar to Prestressing Strand to IS 16172 Mechanical Couplers.
Prestressing strand — UTM tensile test for breaking load and 0.2% proof stress
Mechanical coupler tensile test per IS 16172
Reinforcement Steel (TMT Bars, CTD Bars, Mild Steel) Mechanical · Chemical · Geometric
View detailed reinforcement steel test parameters
| Test | Parameters | Standard |
|---|---|---|
| Tensile Test | Yield strength (YS / 0.2% proof stress), ultimate tensile strength (UTS), elongation at break, UTS/YS ratio | IS 1608, IS 1786, ASTM A615, ASTM A706, BS 4449 |
| Bend Test | Cold bend around mandrel (specified diameter) — no fracture at prescribed angle | IS 1786, ASTM A615 |
| Rebend Test | Re-bend after ageing at 100°C for 30 minutes — seismic grade and EQ bars | IS 1786, Cl. 6.2.3 |
| Chemical Composition | C, Mn, S, P, Si, CE (carbon equivalent) by OES/wet chemistry | IS 1786, IS 432 |
| Mass per Metre | Actual mass per metre vs. nominal; cross-sectional area; rib geometry (height, spacing, inclination angle) | IS 1786 |
Prestressing Strand & Wire Breaking Load · Relaxation · Modulus
Mechanical
Breaking Load (Fmax)
Maximum breaking load for 7-wire strand (9.53 mm, 12.7 mm, 15.2 mm) and 3-wire strand. Per guaranteed load in specification.
IS 6006, IS 14268, ASTM A416
Mechanical
0.2% Proof Stress (Fp0.2)
Non-proportional elongation proof stress at 0.2% — characteristic load for design verification.
IS 6006, ASTM A416
Mechanical
Elongation at Break
Percentage elongation after fracture — ductility criterion for prestressing wire and strand.
IS 6006, IS 14268
Relaxation
Stress Relaxation
1,000-hour relaxation test at 70% and 80% of breaking load. Low-relaxation (LR) and normal-relaxation (NR) classification.
IS 6006, IS 14268, ASTM E328
Elastic
Modulus of Elasticity
Chord modulus from load-extension plot over prescribed load range. Extensometer-based measurement.
IS 6006, ASTM A416
Geometric
Wire Diameter & Lay
Individual wire diameter, strand lay length, angular deviation. Mass per unit length verification.
IS 6006
Mechanical Couplers (IS 16172) Type 1 · Type 2 · Cyclic
India's Reference Laboratory for IS 16172 Coupler Testing
Mechanical couplers for splicing of rebar in RCC structures require mandatory testing under IS 16172 — the sole Indian standard governing coupler performance. Microlab is fully equipped to perform all coupler qualification tests including Type 1 (non-seismic), Type 2 (seismic), cyclic loading, and slip measurement. Our 500 kN and 1500 kN servo-hydraulic UTMs handle even the largest 50 mm dia. coupler assemblies. Reports are accepted by structural consultants and government infrastructure agencies.
IS 16172
Type 1
Type 2 (Seismic)
Cyclic Loading
Slip < 0.1 mm
Up to 50 mm dia
Rebar mechanical coupler — threaded splice assembly for Type 1 / Type 2 qualification
Prestressing strand testing — breaking load and proof stress on servo-hydraulic UTM
| Coupler Test Type | Criteria per IS 16172 | Scope |
|---|---|---|
| Type 1 — Static Tensile | Tensile strength ≥ 125% of yield strength of parent bar; fracture outside coupler zone | Non-seismic splices in RCC structures |
| Type 2 — Tensile (High Strain) | UTS ≥ specified; uniform elongation ≥ 9% of parent bar; fracture outside coupler zone | Seismic zones III, IV, V; special moment frames |
| Cyclic Loading | No fracture after prescribed load cycles; residual strength maintained post-cyclic | Type 2 seismic coupler qualification per IS 16172 |
| Slip under Tension | Total slip < 0.1 mm under a defined load; measured by displacement transducer across coupler | Both Type 1 and Type 2 |
- IS 16172
- IS 1786
- IS 6006
- IS 14268
- IS 432
- ASTM A416
- ASTM A615
- BS 4449
Section 4 — Building Materials
Bricks, Blocks, Tiles, Pipes, and Waterproofing Systems.
Acceptance testing and quality assurance for every building envelope material — from clay bricks and AAC blocks to vitrified tiles, concrete pipes, and membrane waterproofing systems.
Bricks & Masonry Blocks Clay · Fly Ash · AAC · Concrete
Bricks & Blocks
Compressive Strength
Individual brick/block crushing strength under uniform loading. Capping with mortar as required. Results in N/mm².
IS 3495 (Part 1), IS 2185, ASTM C67, C140
Bricks & Blocks
Water Absorption
24-hour cold water immersion and 5-hour boiling water absorption — porosity assessment for durability.
IS 3495 (Part 2), ASTM C67
Bricks
Efflorescence
Visual assessment of salt deposit after 7-day capillary absorption — graded Nil / Slight / Moderate / Heavy / Serious.
IS 3495 (Part 3)
Bricks & Blocks
Dimensional Tolerances
Length, width, height, warpage, and out-of-square measurements for a sample of 20 units per lot.
IS 1077, IS 2185, ASTM C67, C140
AAC Blocks
Dry Density & Moisture Content
Oven-dry density and equilibrium moisture content for AAC and cellular lightweight concrete blocks.
IS 2185 (Part 3), ASTM C869
Masonry
Transverse Strength
Modulus of rupture (transverse breaking strength) for floor blocks and paving units.
IS 2185 (Part 2), ASTM C140
Ceramic, Vitrified & Stone Tiles Floor · Wall · Exterior
| Test | Method | Standard |
|---|---|---|
| Breaking Strength & MOR | Three-point breaking load and modulus of rupture — structural adequacy of floor and wall tiles | IS 13630 (Part 5), ISO 10545-4 |
| Water Absorption | Vacuum saturation method; classification into Group Ia, Ib, IIa, IIb, III per absorption | IS 13630 (Part 2), ISO 10545-3 |
| Abrasion Resistance | Surface abrasion index by PEI rotating abrasion test — PEI Classes I–V for floor tiles | IS 13630 (Part 11), ISO 10545-7 |
| Chemical Resistance | Resistance to household chemicals, low and high concentrations, swimming pool chemicals | IS 13630 (Part 13), ISO 10545-13 |
| Scratch Hardness (Mohs) | Surface hardness by Mohs scale mineral scratching — scratch resistance grade | IS 13630 (Part 10) |
| Dimensional Tolerances | Length, width, thickness, straightness of sides, rectangularity, surface flatness | IS 13630 (Part 1), ISO 10545-2 |
Concrete Pipes & Culverts Structural · Hydraulic
Concrete Pipes
Three-Edge Bearing (Crushing)
Crushing strength under three-edge bearing — D-load classification (D0.01, D0.1, Dult) for drainage and culvert pipes.
IS 458, ASTM C497
Concrete Pipes
Water Absorption
Absorption of drilled core specimens after 24-hour immersion — permeability indicator for sewer pipes.
IS 458
Concrete / AC Pipes
Hydrostatic Pressure Test
Internal hydraulic pressure to 1.5x working pressure — no leakage or structural distress for 5 minutes.
IS 458, IS 784, ASTM C497
RCC Pipes
Absorption (Core)
Concrete absorption on drilled core from pipe barrel — acceptance criterion for pressure pipes and storm drainage.
IS 458
Waterproofing & Membrane Systems Tensile · Elongation · Adhesion · WVT
| Test | Scope | Standard |
|---|---|---|
| Tensile Strength | Peak tensile stress of waterproofing sheets and liquid-applied membranes after curing | ASTM D412, IS 17067 |
| Elongation at Break | Ultimate elongation for elastomeric and thermoplastic waterproofing — conformability over cracks | ASTM D412, IS 17067 |
| Tear Strength | Die C and trouser tear resistance for sheet membranes — puncture and tear initiation resistance | ASTM D624, ASTM D1004 |
| Peel Adhesion | 180° peel adhesion on concrete and steel substrates — self-adhesive and cold-applied systems | ASTM D903, EN 12316-1 |
| Water Vapour Transmission (WVT) | WVT rate and permeance — vapour barrier / retarder classification per ASTM E96 | ASTM E96 (Method A & B) |
| Low Temperature Flexibility | Cold crack / fold test on mandrel at −10°C to −20°C — bituminous and APP/SBS modified sheets | EN 1109, ASTM D5147 |
- IS 1077
- IS 2185 (Parts 1, 2, 3)
- IS 3495
- IS 13630
- IS 458
- IS 784
- ASTM C67
- ASTM C140
- ASTM D412
- ASTM E96
Section 5 — Soil, Rock & Geotechnical Testing
From Grain Size to Triaxial Shear. Every IS 2720 Parameter.
Comprehensive geotechnical laboratory testing for foundation design, slope stability, pavement subgrade analysis, and rock engineering — all test methods per IS 2720 and ASTM D-series standards.
Soil Classification & Index Properties Grain Size · Atterberg · Classification
Gradation
Grain Size Analysis
Sieve analysis (coarse fraction) and hydrometer analysis (fine fraction D<75µm). USCS and IS classification from grading curve.
IS 2720 (Part 4), ASTM D422, D7928
Consistency
Atterberg Limits
Liquid limit (Casagrande and cone penetrometer), plastic limit, shrinkage limit. Plasticity index and plasticity chart classification.
IS 2720 (Part 5), ASTM D4318
Basic
Specific Gravity
Specific gravity of soil solids by pycnometer — needed for void ratio and degree of saturation calculations.
IS 2720 (Part 3), ASTM D854
Basic
Natural Moisture Content
Gravimetric moisture content of undisturbed and remoulded soil samples — oven-dry method.
IS 2720 (Part 2), ASTM D2216
Density
Field Density (Core Cutter & Sand Replacement)
In-situ dry density by core cutter (IS 2720 Part 29) and sand replacement method (IS 2720 Part 28) for compaction control.
IS 2720 (Parts 28, 29), ASTM D1556, D2167
Organic
Organic Matter Content
Wet oxidation (Walkley-Black) and loss on ignition (LOI) methods for organic soils and peat.
IS 2720 (Part 22), ASTM D2974
Compaction & Subgrade Strength Grain Size · Atterberg · Classification
| Test | Standard |
|---|---|
| Standard Proctor Compaction (Light) | IS 2720 (Part 7), ASTM D698 |
| Modified Proctor Compaction (Heavy) | IS 2720 (Part 8), ASTM D1557 |
| California Bearing Ratio (CBR) — soaked & unsoaked | IS 2720 (Part 16), ASTM D1883 |
| CBR on undisturbed samples | IS 2720 (Part 31) |
| Relative density (min/max density) — sands & gravels | IS 2720 (Part 14), ASTM D4253, D4254 |
| Swelling pressure and heave | IS 2720 (Part 41) |
CBR testing — soaked and unsoaked: CBR is routinely used for flexible pavement sub-base and subgrade design per IRC:37. We perform both laboratory CBR (moulded and undisturbed) and field CBR for NHAI and state highway projects. DCP (Dynamic Cone Penetrometer) field testing also available as part of our onsite services.
Shear Strength, Consolidation & Permeability Triaxial · Consolidation · UCS
View detailed shear strength, consolidation & permeability parameters
| Test | Parameters | Standard |
|---|---|---|
| Triaxial Shear (UU / CU / CD) | Cohesion (c'), friction angle (φ'), pore pressure coefficients (B, A). UU, CU with pore pressure measurement, CD tests. | IS 2720 (Parts 11, 12), ASTM D2850, D4767, D7181 |
| Direct Shear | Peak and residual shear strength under normal loads. c and φ parameters for interface and soil-soil testing. | IS 2720 (Part 13), ASTM D3080 |
| Unconfined Compressive Strength (UCS) | Qu — undrained shear strength (Su = Qu/2). Strain-controlled compression at 1.25 mm/min. | IS 2720 (Part 10), ASTM D2166 |
| Oedometer Consolidation | Compression index (Cc), recompression index (Cr), Cv, mv, preconsolidation pressure (Pc), OCR. | IS 2720 (Part 15), ASTM D2435 |
| Permeability (Constant & Falling Head) | Coefficient of permeability (k) — constant head for coarse soils, falling head for fine-grained soils. | IS 2720 (Parts 17, 36), ASTM D2434, D5856 |
Rock Mechanics & Testing UCS · PLT · Brazilian · Durability
Rock Strength
Uniaxial Compressive Strength (UCS)
Axial compressive strength of NX/BX core samples. L/D ratio 2.0–2.5. Young's modulus and Poisson's ratio from strain gauge measurement.
IS 9143, ASTM D7012, ISRM
Index Strength
Point Load Index (PLI)
Is(50) — point load strength index on core and lump specimens. Correlation to UCS for rock mass characterisation.
ASTM D5731, ISRM
Tensile
Brazilian Tensile Strength
Indirect tensile strength by diametral compression of disc specimens. Fracture toughness Mode I estimation.
ASTM D3967, ISRM
Durability
Slake Durability Index
Two-cycle slake durability (Id2) for weak and argillaceous rocks — degradation resistance under wetting and drying cycles.
IS 13030, ASTM D4644, ISRM
Elastic
Elastic Modulus & Poisson's Ratio
Tangent and secant moduli from stress-strain curves. Static Poisson's ratio from lateral strain measurement. Input for numerical modelling.
ASTM D7012, ISRM
Abrasion
Los Angeles Abrasion (Rock Aggregates)
Durability and abrasion resistance for coarse rock aggregates used in highway base courses and railway ballast.
IS 2386 (Part 4), ASTM C131
- IS 2720 (all applicable parts)
- IS 9143
- IS 13030
- ASTM D698
- ASTM D1883
- ASTM D2166
- ASTM D2850
- ASTM D4767
- ASTM D7012
- ISRM Suggested Methods
Section 6 — NDT on Structures
In-Situ Assessment Without Demolition. Lab-Quality Reports Onsite.
Non-destructive evaluation of reinforced concrete structures — for condition assessment, structural health monitoring, post-disaster investigation, and pre-rehabilitation evaluation. Experienced civil engineers with specialist NDT equipment.
IS 13311 Part 1 / ASTM C597
Ultrasonic Pulse Velocity (UPV)
Transmission time of ultrasonic pulses through concrete — assess homogeneity, detect cracks, voids, and delamination. Velocity classification (excellent / good / medium / doubtful / poor).
IS 13311 Part 2 / EN 12504-2
Rebound Hammer (Schmidt Hammer)
Surface hardness index correlated to compressive strength estimate. Grid mapping on slabs, beams, columns, and walls. Calibrated Type N and Type L hammers.
BS 1881 Part 204 / EN 12504-4
Cover Meter Survey
Electromagnetic cover meter for rebar cover depth, bar diameter estimation, and rebar mapping. Identifies inadequate cover — a primary durability deficiency.
ASTM C876 / EN ISO 12696
Half-Cell Potential (Corrosion Mapping)
Electrochemical potential measurement on concrete surface to assess probability of active rebar corrosion. Contour maps generated for entire structural element.
IS 516 Part 4 / EN 12504-1
Core Extraction & Testing
Diamond-drilled cores (50 mm, 75 mm, 100 mm dia.) from structure. Cores tested for compressive strength after end preparation. Correction for L/D ratio per IS 516.
EN 14630 / RILEM
Carbonation Depth Measurement
Phenolphthalein indicator on freshly broken or drilled surface. Carbonation front depth (mm) — critical for residual service life estimation of concrete structures.
ASTM C1152 / C1218
Chloride Ion Profiling
Total and water-soluble chloride content at successive depth intervals (0–5, 5–15, 15–25 mm) from cores. Enables diffusion coefficient and remaining life estimation for marine structures.
IRC 89 / IS Codes
Load Testing on Structural Elements
Proof load testing of beams, slabs, columns, and bridges with deflection and crack monitoring. Load-deflection curves and residual deflection assessment against acceptance criteria.
Combined assessment reports: For condition surveys, we combine UPV, rebound hammer, half-cell potential, cover meter, and carbonation data into an integrated structural health report — with colour-coded condition maps, risk ranking, and maintenance recommendations. Accepted by structural consultants, CPWD, PWD, and insurance assessors.
Need onsite testing, PMI, or field NDT at your project site? Our mobile civil team brings UPV, rebound hammer, cover meter, and chloride sampling equipment directly to your structure.
Why Microlab for Civil Testing
The Laboratory Civil & Infrastructure Projects Trust
From IS standards to ASTM, from day-one material approval to end-of-project acceptance — a single laboratory with 20+ years of construction sector experience.
TC-14270 — ~390 Parameters
Every test listed on this page has been audited by a competent authority. Reports are issued as per ISO 17025 guidelines and are accepted by NHAI, CPWD, PWD, Railways, MES, and RERA-registered projects without question.
One Lab for All Civil Materials
Cement, concrete, aggregates, rebar, prestressing strand, mechanical couplers, bricks, tiles, pipes, waterproofing, soil, rock, and structural NDT — all under one roof. One accreditation. Integrated reports.
IS 16172 Coupler Specialists
One of the few laboratories in India equipped for complete IS 16172 Type 1 and Type 2 coupler qualification including cyclic loading and slip measurement. Reports endorsed by leading structural consultants.
High-Capacity UTM for Heavy Sections
500 kN and 1500 kN servo-hydraulic universal testing machines for large-diameter rebar (up to 50 mm), heavy strand assemblies, and massive coupler specimens. No load range limitations.
Fast Turnaround for Active Project Sites
Concrete compressive strength results in 24–48 hours for early-strength assessment. Aggregate and bitumen results on same-day or next-day basis. Priority scheduling for emergency project situations.
Experienced Civil & Geotech Team
Our civil team includes graduate civil engineers with specialisation in geotechnical, structural, and highway materials testing. Not just technicians — qualified engineers who understand project context and report accordingly.
Who We Serve
Across the Entire Construction Value Chain
From material manufacturers and project developers to contractors, government departments, and independent consultants — our civil testing services support every stakeholder.
Contractors & Sub-Contractors
Quality control testing for compliance with project specifications, IS standards, and contract requirements across all civil work packages.
Structural & Geotech Consultants
Third-party testing reports for design verification, acceptance testing, dispute resolution, and forensic investigation of structures.
Government Agencies
NHAI, CPWD, PWD, Railways, MES, and municipal corporations — test reports meeting all mandatory requirements for public infrastructure projects.
Material Manufacturers
Cement, rebar, coupler, brick, tile, waterproofing, and pipe manufacturers needing BIS licence testing, IS certification, and export compliance.
Testing by Material Family
Select your construction material category
Reinforcement Steel
TMT bars, wire rod, prestressing strand
Tensile (YS, UTS, elongation), bend/re-bend, mass per metre, chemical composition. BIS certification testing and third-party verification for construction projects.
IS 1786 · IS 1608 · IS 228 · IS 1757
Structural Steel
Plates, sections, hollow sections
Tensile, impact (Charpy at specified temperature), bend, hardness, chemistry. Grade verification per IS 2062, EN 10025, ASTM A36/A572.
IS 2062 · EN 10025 · ASTM A370
Concrete & Mortar
Cubes, cylinders, cores
Compressive strength, flexural strength, split tensile, water absorption, density. Cube testing at 7/28 days, core extraction and testing for existing structures.
IS 456 · IS 516 · IS 1199 · ASTM C39
Aggregates & Soil
Fine, coarse, recycled
Specific gravity, water absorption, aggregate impact/crushing value, flakiness/elongation, sieve analysis. Material qualification for concrete mix design.
IS 383 · IS 2386 · IS 9142
Cement
OPC, PPC, PSC, composite
Compressive strength (3/7/28 day), fineness, setting time, soundness, consistency. BIS conformity verification and quality audit testing.
IS 269 · IS 1489 · IS 455 · IS 4031
Pipes & Fittings
DI, CI, HDPE, PVC, GRP
Hydrostatic pressure, ring stiffness, tensile, impact, chemical resistance, dimensional verification. Material and performance qualification per IS/ISO product standards.
IS 8329 · IS 4984 · IS 12235 · ISO 8773
Specimen Logistics for Civil Materials
- Rebar: Supply full-section lengths (minimum 600 mm for tensile, 300 mm for bend). Mark heat/lot number on each specimen.
- Concrete cubes: 150 mm standard cubes, cured per IS 516. Transport in wet hessian/curing compound. Note casting date and mix designation.
- Core samples: Minimum 75 mm diameter for compressive strength. Note extraction location, orientation, and reinforcement presence.
- Aggregates/soil: Representative samples per IS 2430 sampling procedure. Minimum 25 kg for coarse aggregate, 10 kg for fine aggregate.
- Onsite collection: We can arrange sample collection from construction sites within Tamil Nadu. Contact us for scheduling.
2–3 Days
Standard Turnaround
1–2 Days
Express Available
ISO 17025:2017
Reporting Practices
Related Services
Water & Environmental
Drinking water, wastewater, industrial effluent, and soil analysis
Metals Testing
Mechanical, chemical, and metallographic testing of ferrous and non-ferrous metals
Weld Qualification
PQR and WPQ testing per ASME IX, AWS D1.1, EN ISO 15614, and API 1104
Onsite Testing & PMI
Portable hardness, PMI, field NDT, and on-location material verification
Ready to Test Your Civil & Building Materials?
Share your project specification, material type, and test requirement. Our civil engineers will confirm the test method, IS standard, specimen requirement, and turnaround within one business day.