About Us
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Born From A Big Idea in 2014
Conmas Chemicals Ltd was established in 2014 in Kolkata, West Bengal, with the ambitious mission to create better construction chemicals that save cement and help save the environment from India's construction excess.
We were India's first company to develop and market a cement-saving and Strength enhancing construction chemical. It is a concept new to the Indian market. Our flagship brand, CONCRETE MASTER, was soon to be recognised for its double advantage: stronger structures and less cement.
Based in Kolkata, we are proud to serve clients all over India, from small brick manufacturers to large infrastructure developers, while continuing with our founding values of innovation, quality and sustainability.
12+ Years
of Innovation
Our Mission
We manufacture construction chemicals that do something the industry hadn't prioritised before us, save cement while making concrete perform better. Not one or the other.
Our job is to put that science into the hands of the people who actually build India: the contractors working under pressure, the manufacturers running tight margins, the engineers who need solutions that hold up in the field, not just in a laboratory. Every product we make is built around that person and the planet they're building on.
Our Vision
Seven years from now, we want to be the name every Contractors, Engineers, Builders and Manufacturers of Bricks, Pavers & Other cement products. Ten years from now, we want the world to know why.
That's not an investor pitch. It's a direction we've been walking in since 2014, one project , less cement bas used, less CO₂ generated at a time. We believe a future where stronger structures and a healthier planet aren't in conflict with each other isn't idealistic. It's just good chemistry, applied consistently enough to matter.
Our Core Values
Innovation
Constantly striving for innovation in construction chemistry to offer smart and green solutions.
Quality
Setting the highest quality standard for all our products through thorough testing and research.
Sustainability
In every solution, the environment comes first – reducing cement and thus reducing CO₂.
Integrity
Practising honest business operations to create trust with our clients and partners.
Excellence
Striving to achieve excellence in everything we do for our clients, our company, and India.
Nation First
"Proudly made in India for India", and our vision is to bring our solutions to the global market.
Our Business Objectives
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By 2031, CONCRETE MASTER will be the first name in Indian construction chemicals.
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Within three years, no Indian contractor should have to search hard to find us.
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Within a decade, we want to be exporting to ten or more countries.
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We will keep innovating, and we won't stop at what's comfortable.
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Every project we touch should leave a smaller carbon footprint than it would have without us.
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We're building partnerships that go beyond transactions.
Our Quality Policy
"Quality isn't a Department Here. It's Just How We Work."
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Every product we make is held to standards we'd stake our reputation on, because we already are.
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Our formulations aren't guesswork. They're built on years of research, field testing, and scientific verification.
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We watch every stage of production closely, not because we don't trust our process, but because we respect what's at stake.
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We listen when our customers push back. Feedback from builders, contractors, and engineers isn't filed away.
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When we make a claim about a product, we mean it. Concrete Master doesn't trade in vague promises or inflated specifications.
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We hold ourselves accountable, publicly, honestly, and without fine print.
Our Journey
2014
Incorporation & First Step
Conmas Chemicals Limited is incorporated in Kolkata, West Bengal. Pioneered the first cement-saving construction chemical in India.
2015
Product Launch
Microseal-C launched a premium waterproofing construction chemical with cement-saving advantages.
2018
Expansion & Reach
Extended range of products with Leakseal and Aquafree. Gained hundreds of customers in India.
2022
A Decade of Innovation
Celebrated 10 years of innovation. Focused on research and development of next-gen eco-friendly chemicals.
2025 & Beyond
The Future Vision
Fast-tracking growth to achieve its vision of being the #1 construction chemical company in India by 2031.