The accredited laboratories of the Technical and Test Institute for Construction Prague, SOE (TZÚS Prague), offer tests in the field of refractory materials, ceramic raw materials, silicate materials, a list of accredited test procedures can be found in the table below, in this area TZÚS Prague also offers non-accredited test procedures. If you are interested in services in this area, please contact the branch according to your chosen region, or use the inquiry form at the bottom of the page. Laboratory services are complemented by the offer of the certification body for products.
Regional branches operating in the field:
(click to contact your regional branch or use the contact form at the bottom of the page)
The Ostrava Branch
The Plzeň Branch
| ČSN EN 1402-6 | Unshaped refractory products - Part 6: Measurement of physical properties |
| ČSN 72 6100 | Refractory materials for laying and joiting, coatings. Common regulations |
| ČSN EN 993-5 | Methods of test for dense shaped refractory products - Part 5: Determination of cold crushing strength |
| ČSN EN 993-6 | Methods of test for dense shaped refractory products. Part 6: Determination of modulus of rupture at ambient temperature |
| ČSN ISO 12678-1 | Refractory products - Measurement of dimensions and external defects of refractory bricks - Part 1: Dimensions and conformity to drawings |
| ČSN ISO 12678-2 | Refractory products - Measurement of dimensions and external defects of refractory bricks - Part 2: Corner and edge defects and other surface imperfections |
| ČSN 72 1080 | Determination of moisture content and hygroscopicity of ceramic raw materials |
| ČSN 72 1089 | Determination of absolute whiteness of ceramic raw materials |
| ČSN 72 1090 | Determination of abrasivity of floated kaolin according to Einlehner |
| ČSN 72 6031 | Refractory materials. Method of test for linear thermal expansion |
| ČSN EN 1094-1 | Insulating refractory products - Part 1: Terminology, classification and methods of test for high temperature insulation wool products |
| ČSN EN 1094-4 | Insulating refractory products. Part 4: Determination of bulk density and true porosity |
| ČSN EN 1094-6 | Insulating refractory products - Part 6: Determination of permanent change in dimensions of shaped products on heating |
| ČSN EN 1402-1 | Unshaped refractory products - Part 1: Introduction and classification |
| ČSN EN 1402-3 | Unshaped refractory products - Part 3: Characterization as received |
| ČSN EN 1402-4 | Unshaped refractory products - Part 4: Determination of consistency of castables |
| ČSN EN 1402-7 | Unshaped refractory products - Part 7: Tests on pre-formed shapes |
| ČSN EN 1402-8 | Unshaped refractory products - Part 8: Determination of complementary properties |
| ČSN EN 1457-1 | Chimneys - Clay/ceramic flue liners - Part 1: Flue liners operating under dry conditions - Requirements and test methods |
| ČSN EN 1457-2 | Chimneys - Clay/ceramic flue liners - Part 2: Flue liners operating under wet conditions - Requirements and test methods |
| ČSN EN 993-1 | Methods of test for dense shaped refractory products. Part 1: Determination of bulk density, apparent porosity and true porosity |
| ČSN EN 993-10 | Methods of test for dense shaped refractory products - Part 10: Determination of permanent change in dimensions on heating |
| ČSN EN 993-11čl. 4.1 | Methods of test for dense shaped refractory products - Part 11: Determination of resistance to thermal shock |
| ČSN EN 993-12 | Methods of test for dense shaped refractory products - Part 12: Determination of pyrometric cone equivalent |
| ČSN EN 993-15 | Methods of test for dense shaped refractory products - Part 15: Determination of thermal conductivity by the hot-wire (parallel) method |
| ČSN EN 993-18 | Methods of test for dense shaped refractory products - Part 18: Determination of bulk density of granular materials by the water method with vacuum |
| ČSN EN 993-19 | Methods of test for dense shaped refractory products - Part 19: Determination of thermal expansion by a differential method |
| ČSN EN 993-2 | Methods of test for dense shaped refractory products. Part 2: Determination of true density |
| ČSN EN 993-3 | Methods of test for dense shaped refractory products - Part 3: Test methods for carbon-containing refractories |
| ČSN EN 993-4 | Methods of test for dense shaped refractory products. Part 4: Determination of permeability to gases |
| ČSN EN 993-7 | Methods of test for dense shaped refractory products - Part 7: Determination of modulus of rupture at elevated temperatures |
| ČSN EN 993-9 | Methods of test for dense shaped refractory products - Part 9: Determination of creep in compression |
| ČSN EN ISO 16282 | Methods of test for dense shaped refractory products - Determination of resistance to abrasion at ambient temperature |
| ČSN EN ISO 1893 | Refractory products - Determination of refractoriness under load - Differential method with rising temperature |
| ČSN EN ISO 8894-1 | Refractory materials - Determination of thermal conductivity - Part 1: Hot-wire methods (cross-array and resistance thermometer) |
| ČSN EN ISO 8895 | Shaped insulating refractory products - Determination of densification of cold crushing strength |
| ČSN P CEN/TS 15418, postup A | Method of test for dense refractory products - Guidelines for testing the corrosion of refractories caused by liquids |
| DIN 51064 | Testing of ceramic raw and semi-finished materials; determination of fire resistance of refractory bricks under load (DFB) |
| DIN 51068-1 | Testing of ceramic materials; Determination of Resistance to Thermal Shock; Water quenching method for refractory bricks |