- Monolithisch India is the company that taught India’s steel industry to buy its furnace lining pre-mixed rather than raw - a shift that turns a gritty, low-tech consumable into a branded, warranty-backed product. Founded in 2018 in the steel heartland of Eastern India, it has grown from a single plant by systematically converting customers to its premix grades and then upgrading them to ever-higher-performance formulations. The recurring pattern is simple: launch a superior grade, prove it lasts longer, and use the trust that creates to sell the next one at a better price.
Business segments
A single business - refractory ramming mass - sold in two distinct product tiers that function as a migration ladder: a core premix grade that built the customer base, and a premium warranty-backed grade that is now pulling those same customers up.
1. Core premix ramming mass: the conversion engine that built the franchise
The company turned a commodity furnace lining into a consistent, ready-to-use product, eliminating the on-site mixing errors that plagued steelmakers and locking in over 80% of India’s integrated steel plants as direct customers.
- Premix, not raw powder - traditional ramming mass is sold as separate raw materials that furnace operators mix on site, creating inconsistency; Monolithisch supplies it pre-blended, so every batch performs the same way and lining failures drop.
- Sold to the biggest buyers - the customer base of 55 to 63 names includes more than 80% of India’s integrated steel plants, with 90% of the portfolio consisting of these large, multi-location operators who consume thousands of tonnes a month and need reliable supply.
- Priced per tonne, with costs passed through - the company works on a per-metric-tonne model where most costs are variable; when boron, labour or stone prices rise, it gives customers 15 to 20 days’ notice and passes the increase on.
- Three plants, one expansion underway - live capacity sits at 307,600 tonnes per year across the Sarbari brownfield unit (250,000 tonnes) and the acquired Ranchi unit (57,600 tonnes), with a greenfield plant in Purulia adding another 252,000-254,000 tonnes targeted for mid-2027.
- The unorganised sector cannot follow - at least half the industry is small, unlisted players running 500-1,000-tonne-per-month plants, but large steel customers consuming 2,000-3,000 tonnes a month need capacity only organised players can provide.
2. SGB Limited: the premium upgrade with a guarantee
A higher-priced ramming mass backed by a first-of-its-kind minimum-heat warranty - the company’s bet that customers will pay roughly 10% more for a lining that lasts 15-20% longer and comes with a written promise.
- A warranty where none existed - SGB Limited carries a minimum heat assurance of 52 to 55 hours, meaning the company guarantees the lining will survive that many melting cycles; no other ramming mass product in India offers this.
- Designed for the toughest furnaces - the grade is tailored for induction furnaces with W-panel configurations, delivering 25% better lining durability and more melting cycles than the flagship SGB-777 grade it is designed to replace.
- An upgrade ladder, not a new customer hunt - the product is positioned as a migration path for existing SGB-777 buyers; the company expects over 60% of those customers to switch starting in early FY27, lifting realisations without adding new accounts.
- A lower-cost non-premix variant exists - for price-sensitive buyers, the company also sells SGB Limited in non-premix form, stripping out the additive cost and offering a cheaper entry point to the brand.
Group structure and partners
A parent-subsidiary architecture separates the original plant from the acquired one and the greenfield project, with each entity holding its own assets and licences under the Mineral Group umbrella.
- Mineral India Global Private Limited - the wholly-owned subsidiary that operates the Ranchi unit, acquired in November 2025; its capacity has already been expanded to 72,000 tonnes per year with statutory approvals imminent.
- Metalurgica India Private Limited - another subsidiary, this one the vehicle for the Purulia greenfield project; in 2025 it raised capital via a rights issue and acquired a neighbouring ready-to-run plant from R.S Refractory to begin producing quartz powder immediately.
- Joint auditor appointed - M/s. R K Jagetiya & Co., a Mumbai-based chartered accountancy firm, was brought in as joint auditor effective November 2025 for a one-year term.