Thermolith S.A.

P.O. Box 59, 63100 Polygyrou
Kalyves, 63100 Polygyrou
Telephone +30 23710 54137
Fax +30 23710 54278

This company is co-exhibitor of
Sidertrading s.r.l.


Hall map

METEC 2015 hall map (Hall 5): stand A31

Fairground map

METEC 2015 fairground map: Hall 5


Thomas Valalas

Executive board/managing director
Business, corporate or plant management

Kalives Branch
63100 Kalives Poligiros, Greece

+30 6974400210


Anne Surville

Senior head of department
Marketing, sales, advertising, PR

Kalives Branch
63100 Kalives Poligiros, Greece



Our range of products

Product categories

  • 13  Miscellaneous equipment for metallurgical plants and rolling mills
  • 13.06  Thermal insulation and refractory materials

Thermal insulation and refractory materials

Our products

Product category: Thermal insulation and refractory materials

Thermolith S.A.


THERMOLITH SA produces a wide range of magnesia and magnesia olivine-based products for steel plants and foundries, such as:


  • Olivine as slag conditioner for BF . Advantages are the low Loss of Ignition, the High MgO grade and the optimal lining protection which ensure a stable process for excellent steel quality.

  • Olivine EBT filler sand for steel furnaces, grain sizes 2-6mm, 3-8 mm, or any customized size according to customer’s requirements. High performance free opening rate, excellent flow.

  • Olivine as raw material for the refractory Industry. Advantages are the low iron content, the formation of secondary Forsterite during process and the absence of free silica.  

  • Olivine-magnesia refractory mixes for Tundish : wet spray mixes, dry settings, cold settings.

  • Pure magnesia refractory mixes : Tundish refractory mixes of all types, Gunning and Ramming mixes with high MgO content


More Less

About us

Company details

Thermolith S.A. is a privately owned company established in 1998 in Northern Greece for the production of basic unshaped refractories for the steel industry. Moreover Thermolith S.A. exploits important deposits of olivine, a refractory mineral used in steelmaking as slag conditioner and EBT filler sand, as well as in the manufacturing of shaped and unshaped basic refractory products. 

Combining mining and production, Thermolith S.A. has established itself as a reliable partner and a consistent producer of unshaped refractory products and is the sole olivine producer in Greece.

Production management system is certified according to ISO 9001:2008 for high quality products. Thermolith S.A. focuses on the research and development of new olivine-based products in collaboration with foreign universities.

50% of the production is exported, mainly to Europe and Balkan Countries, thanks to its proximity to Thessaloniki, the major logistics hub in Northern Greece.

Thermolith S.A. produces a wide range of olivine-based products for steel plants, such as:

  • Olivine EBT filler sand,
  • Olivine slag conditioner,
  • Olivine-magnesia refractory mixes for Tundish: coating mixes, dry settings mixes, cold settings mixes.
  • Magnesia mixes, Gunning and Ramming mixes with high MgO content.

Thermolith S.A. also produces olivine in various grain sizes for the refractory industry.

As a small dedicated company, we can offer customized products and advices, quality and flexibility. We are committed to satisfy all your requirements in terms of supremacy in technology, environmental benefits and competitiveness.


More Less

Company data

Sales volume

1-9 Mio US $

Export content

max. 50%

Number of employees