About Us

Sepici Group's industrial journey began in 1952 and continues today with the production of construction chemicals and industrial coatings at our modern plant in Tuzla.

1952A family story from Kazlıçeşme to Tuzla

Who We Are

Working for you for three generations.

Sepici Group's journey began with leather manufacturing in 1952. Today it continues to grow in construction chemicals, producing every new solution with 70 years of knowledge and experience.

Demmerg Kimya (Demmerg Chemicals) is a Sepici Group company in Tuzla, Istanbul, Türkiye, that manufactures construction chemicals, epoxy and polyurethane floor coatings, industrial and car refinish paints, and marine and composite resins.

1952
1st Generation · Celal Sepici
First steps in Kazlıçeşme
Sepici Group starts industrial production with leather manufacturing in Kazlıçeşme, Istanbul.
2010
2nd Generation · Mustafa Demir Sepici
Demmerg Chemicals is founded
In Tuzla Leather Organized Industrial Zone, Demmerg Chemicals is founded with customer satisfaction as its most important goal.
2015
3rd Generation · Celal Volkan Sepici
Growing in a modern factory
In a modern factory, every new construction chemicals solution is produced to perfection.

Our mission

We will continue to be the solution partner of our valued customers through our high-performance product portfolio developed specifically for the construction chemicals industry, our advanced production philosophy and our expert technical team.

Our vision

To sustain our leadership in the construction chemicals sector by delivering scientifically driven, innovative and sustainable solutions with flawless execution. Our goal is to build the best team, the best production site and, ultimately, the best product.

Our three core focus areas

Excellent human capital

Qualified people and an expert technical team.

Advanced R&D

An advanced R&D laboratory and scientific collaboration with academic institutions.

Integrated production

Fast, flexible and sustainable production on specially designed lines.

Export countries

Nearly 70 countries on five continents

Today Demmerg Chemicals is a globally competitive manufacturer exporting to nearly 70 countries across five continents.

1952Sepici Group founded

~70Export countries

3Generations of family business

4ISO management certificates

The right formula for every project

With our advanced R&D laboratory and specially designed production lines, we develop customised formulations for each project and application area, delivering solutions that match the need exactly.

A broad portfolio

Our portfolio of epoxy, polyurethane, conductive (ESD) and decorative systems is trusted across sectors, from industrial plants and food production areas to laboratories and car parks.

Guided by science

Aiming to be “the best” with a customer-focused strategy, Demmerg Chemicals will continue to be among the pioneers of progress by carrying out ongoing scientific research with academic partners.