Blast Furnace Slag

Blast Furnace Slag

We are leading distributors and exporters of granulated blast furnace slag and ground granulated blast furnace slag, with sourcing from the largest steel producers in India.

Range of Blast Furnace Slag Products

Granulated Blast Furnace Slag (GBFS)

By-product from the manufacturing of steel in a blast furnace. Initially in its molten form, it is diverted to a granulator where it is quenched with water and rapidly cooled to form glassy, non-metallic granules which are silicates and aluminosilicates of calcium. These granules are dried to produce Granulated Blast Furnace Slag (GBFS)

Ground Granulated Blast Furnace Slag (GGBFS)

GBFS is ground to a controlled fineness through vertical roller mills or ball mills with the latest technology and quality control systems to produce Ground Granulated Blast Furnace Slag (GGBFS). The grinding process takes account of mean particle size, grading (particle size distribution) and particle shape, thus giving quality-assured material in off-white colour which is consistent, predictable and suitable for varied applications

Value Chain

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  • Long-term sourcing from different steel plants across India, strategically located near sea-ports
  • Offering the right source and product that perfectly meets your technical (quality), volume and shipping requirements

Supply Chain

  • Packing options include bulk, 1.35-1.50 MT bulk bags/ FIBCs and 50 kg small bags
  • Shipping options include bulk (road and sea), break bulk and containers
  • Last mile delivery in India and select markets globally

Technical Consulting

  • Technical consulting on various use-cases
  • Reducing cost of construction
  • Supply chain consulting
  • Concrete mix design optimisation for various applications to achieve lower cost, improved rheology, reduced heat of hydration, increased durability and ASR resistance

Why Jaycee?

  • Supply security and choice with multiple long-term sourcing arrangements
  • Robust quality control processes for compliance to ASTM C989, EN 15167/ BS 6699 and IS 16714/ IS 12089 standards
  • Single-point coordination and world-class service to ensure reliable, timely deliveries
  • Pre-sales and after-sales technical support for conducting trials and optimizing concrete mix design
  • Strong track record and experience


JAYCEE is headquartered in Mumbai, with strategically located operations across the West Coast and East Coast of India.

AMNS / Essar Steel (Hazira)

Mumbai (Head Office)

JSW Steel (Dolvi)

Shipping Options

Large Dry Bulk Shipments

Bulk Bags in Break Bulk Shipments

Bulk Bags in Containers

Small Bags in Containers

Bulker Trucks

Small Bags in Body Trucks


GBFS is mainly used for grinding and producing GGBFS as well as blended cements with slag. GBFS is also used as an effective replacement of natural sand / crushed sand in concrete as a fine aggregate.

GGBFS enhances long-term performance and durability characteristics in concrete while reducing life-cycle and maintenance costs. General replacement of cement with GGBFS in concrete can be 20-80% by weight.

Major Applications of GBFS & GGBFS

Granulated Blast Furnace Slag (GBFS)

  • Producing Ground Granulated Blast Furnace Slag (GGBFS)
  • Blended cement with slag
  • Fine aggregate in concrete to replace natural sand/ crushed sand

Ground Granulated Blast Furnace Slag (GGBFS)

  • Blended cement with slag
  • Ready-mix concrete
  • Concrete pavements
  • Precast and pre-stressed concrete products
  • Tiles, pipes, blocks
  • Masonry and soil cement
  • High temperature resistant building products
  • Soil stabilisation
  • Marine applications and shore protection
  • Effluent and sewage treatment plants


  • Fresh Concrete
    Improved rheology, lower water-demand, reduced heat of hydration
  • Hardened Concrete
    Increased long-term strength, reduced thermal cracking and steel corrosion, lighter colour and better finish
  • Durability
    Reduced alkali-silica reaction, reduced permeability chloride ingress and acid attack, higher alkalinity
  • Partial replacement of cement at lower cost
  • Lower water-demand for reduced cement content and optimised admixture usage
  • Higher durability for increased service life, reduced maintenance cost and significantly lower life cycle costs
  • Direct reduction in CO2 emissions and climate change mitigation
  • Increased resource efficiency and conservation of natural resources
  • Lower air, water and land pollution
  • Efficient recycling and utilisation of industrial waste, with energy savings
  • Healthier and happier communities
  • Circular economy and sustainable cities for our future generations
  • LEED® and green building certification

1 Metric Ton of GGBFS Saves

0.7-0.8 Metric Tons of CO2 Emissions

Heat Island Effect

1000 kWh of Primary Energy

1.5 Metric Tons of Quarrying and 1 Metric Ton of Landfill


The large generation of blast furnace slag in India has given birth to plenty of unorganized traders and exporters, who have no product knowledge nor any understanding of the business. Such fly-by-night operators often rely on malpractices to misguide customers and sell substandard quality products at cheap, below-market prices to make a quick buck.

Beware, a lower price always comes with compromises and risks. An apparent short-term gain could get wiped out by much bigger losses and long-term damage to the reputation and business of the buyer - with disastrous effects on concrete and significant construction hazards perhaps leading to death of people in case the concrete structure collapses!

Please check the following before procuring coal combustion products from any supplier:


  • Authorised distributorship/ sales promoter agreement with the steel producer
  • Verifiable sales volumes in past 12 months and customer testimonials
  • Financial standing and resources of the company (due diligence reports can be bought online)


  • Team size and structure
  • Bios of management, technical and operations personnel
  • Sustainability focus and business continuity planning

Quality Control

  • Quality control process
  • Historical quality data, third party test reports
  • Detailed bag specifications to see GSM of fabric, weight of bag, liner, lamination, etc.


  • Supply chain capabilities
  • Assured load rate in case of bulk or break bulk exports, along with risk management process

The discharge of big bags into bulk tankers or batching plants is very often problematic, due to lumps created by fine particles due to vibration, ambient humidity, temperature fluctuations and compaction during shipping, transportation and storage.

JAYCEE recommends a simple but effective de-bagging facility to remove lumps, and load bulk tankers/ silos in a dust-free manner. The debagging equipment is furnished with an in-built lump breaker macerating any material containing lumps again into free flowing powder. Two operators are required to man the system and one forklift or Hydra is required to carry the big bags to the lift-up point of the de-bagging station. All large customers and distributors in every territory should install a de-bagging station with in-built lump breaker to have seamless discharge of big bags. JAYCEE can also provide such systems in cases where it is not available locally.

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709, Hubtown Solaris, NS Phadke Road
Andheri (East), Mumbai - 400 069
Maharashtra, India
Tel: +91 22 6716 3900
Domestic Sales: +91 98705 55167
International Sales: +91 79776 10128

We’ll be glad to hear from you.