Building India's Infrastructure

Advanced
ConstructionMaterials

Premium fly ash, GGBFS, micro silica and aggregates powering India's metros, highways, dams and high-rises. Certified. Consistent. Delivered.

25+
Years Experience
5M+
Tons Supplied
500+
Active Clients
Delhi Metro
Delhi Metro
Dam
Dams
High Rise
High-Rises
Highway
Highways
Bridge
Bridges
Fly Ash GGBFS Micro Silica Aggregates IS-3812 Certified ASTM C-618 BS-EN-450 Delhi NCR Supply Fly Ash GGBFS Micro Silica Aggregates IS-3812 Certified ASTM C-618 BS-EN-450 Delhi NCR Supply

Engineered
Materials

Every product is tested, certified, and tailored to meet the demands of India's most demanding infrastructure projects.

🌫️
Fly Ash
Class F / Class C

High-quality pulverised fuel ash sourced from leading NTPC thermal plants. Improves workability, reduces heat of hydration, and enhances long-term strength.

StandardIS-3812, ASTM C-618
Fineness< 34% on 45µ
LOI< 5%
⚙️
GGBFS
Ground Granulated Blast Furnace Slag

Latent hydraulic binder that drastically reduces permeability, chloride ingress, and sulphate attack — ideal for marine and underground structures.

StandardIS-12089, BS EN 15167
Blaine400–450 m²/kg
Activity Index> 95% (28d)
🔬
Micro Silica
Silica Fume / Densified

Ultra-fine pozzolanic material that fills micro-voids, produces extremely low-permeability concrete with superior compressive and flexural strength.

StandardIS-15388, ASTM C-1240
SiO₂> 85%
Surface Area15,000–25,000 m²/kg
🪨
Aggregates
Coarse / Fine / Crushed

Graded natural and manufactured aggregates meeting IS-383 specifications. Available in a wide range of sizes for RMC, precast, and road construction.

StandardIS-383
Grades10mm, 20mm, 40mm
Crushing Value< 25%
Plant Operations Lab Testing
Est. 1999 · New Delhi

Two Decades of
Excellence

From a single terminal in Delhi NCR to a pan-India supply network, AshTech India has been at the heart of the country's construction revolution.

Multiple supply terminals across NTPC Dadri, Badarpur, Rajpura, Haryana and Gujarat ensure consistent, uninterrupted supply.
State-of-art laboratory equipped with modern testing equipment to monitor chemical and physical properties.
Expert technical team trained in UNIDO programs to guide clients on optimal material usage.
Certified to international standards: IS-3812, ASTM C-618, BS EN-450.
Talk to Our Team
Where We Power

Applications

Our materials are at the core of India's landmark infrastructure — from the capital's metro to its tallest towers.

Metro Rail
🚇
Metro Rail
Delhi, Mumbai, Bangalore
Dams
💧
Dams & Hydro
Mass Concrete Works
Buildings
🏗️
High-Rise Buildings
RMC, Precast, Structural
Roads
🛣️
Roads & Highways
NHAI, State Highways
Bridges
🌉
Bridges & Flyovers
Structural Concrete
Precast
🧱
Precast & Bricks
Blocks, Pavers, Elements

The AshTech
Advantage

We don't just supply materials — we provide the technical expertise and reliability that large-scale infrastructure projects demand.

🧪
In-House Testing

Full chemical and physical testing at our Delhi lab before every dispatch. Batch-wise test certificates provided.

🚛
Pan-India Delivery

Dedicated bulk tankers and bagged supply with scheduled dispatches from multiple terminals across India.

📋
Standards Compliance

All products conform to IS, ASTM, and BS EN standards. Third-party testing available on request.

👷
Technical Support

On-site technical assistance for mix design, dosage optimisation, and troubleshooting at no extra cost.

Certifications & Standards We Comply With
IS-3812Fly Ash Standard
ASTM C-618Coal Fly Ash
BS EN-450Fly Ash for Concrete
IS-12089GGBFS Standard
ASTM C-1240Silica Fume
IS-383Aggregates

Request a
Quote

Tell us your requirements and our team will respond within 24 hours with availability, pricing, and technical recommendations.

📍
Registered Office
Delhi NCR, India
📞
Phone
+91-XXXXX XXXXX
✉️
Email
info@ashtechindia.com