Committee

Committee:

CTN 61 - Refractories

Secretary:
SERCOBE - ASOCIACIÓN NACIONAL DE FABRICANTES DE BIENES DE EQUIPO
Field of Activity:
Standardization of: Measurement methods, sampling and testing, terminology, characteristics and specifications for non metallic refractories.
International Relations:

ISO/TC 33  Refractories

CEN/TC 187  Refractory products and materials

Standards developed by the committee: CTN 61: 152

UNE-EN 15991:2025 (Ratificada)

Status: VIGENTE /  2025-11-01

Testing of ceramic raw materials and ceramic materials - Direct determination of mass fractions of impurities in powders and granules of silicon carbide by inductively coupled plasma optical emission spectrometry with electrothermal vaporisation (ETV-ICP-OES) (Endorsed by Asociación Española de Normalización in November of 2025.)

UNE-EN 15979:2025 (Ratificada)

Status: VIGENTE /  2025-11-01

Testing of ceramic raw materials and ceramic materials - Direct determination of mass fractions of impurities in powders and granules of silicon carbide by optical emission spectrometry by direct current arc excitation (DCArc-OES) (Endorsed by Asociación Española de Normalización in November of 2025.)

UNE-EN ISO 2477:2025 (Ratificada)

Status: VIGENTE /  2025-06-01

Shaped insulating refractory products - Determination of permanent change in dimensions on heating (ISO 2477:2005) (Endorsed by Asociación Española de Normalización in June of 2025.)

UNE-EN ISO 20182:2024 (Ratificada)

Status: VIGENTE /  2024-11-01

Refractory test-piece preparation - Gunning refractory panels by the pneumatic-nozzle mixing type guns (ISO 20182:2024, Corrected version 2025-04)

UNE-EN 993-1:2018 (Ratificada)

Status: VIGENTE /  2024-08-20

Methods of test for dense shaped refractory products - Part 1: Determination of bulk density, apparent porosity and true porosity (Endorsed by Asociación Española de Normalización in January of 2019.)

UNE-EN 993-5:2018 (Ratificada)

Status: VIGENTE /  2024-08-20

Methods of test for dense shaped refractory products - Part 5: Determination of cold crushing strength (Endorsed by Asociación Española de Normalización in January of 2019.)

UNE-EN 993-6:2018 (Ratificada)

Status: VIGENTE /  2024-08-20

Methods of test for (dense) shaped refractory products - Part 6: Determination of modulus of rupture at ambient temperature (Endorsed by Asociación Española de Normalización in January of 2019.)

UNE-EN ISO 21068-2:2024 (Ratificada)

Status: VIGENTE /  2024-08-01

Chemical analysis of raw materials and refractory products containing silicon-carbide, silicon-nitride, silicon-oxynitride and sialon - Part 2: Determination of volatile components, total carbon, free carbon, silicon carbide, total and free silicon, free and surface silica (ISO 21068-2:2024) (Endorsed by Asociación Española de Normalización in August of 2024.)

UNE-EN ISO 21068-3:2024 (Ratificada)

Status: VIGENTE /  2024-08-01

Chemical analysis of raw materials and refractory products containing silicon-carbide, silicon-nitride, silicon-oxynitride and sialon - Part 3: Determination of nitrogen, oxygen and metallic and oxidic constituents (ISO 21068-3:2024)

UNE-EN ISO 21068-4:2024 (Ratificada)

Status: VIGENTE /  2024-08-01

Chemical analysis of raw materials and refractory products containing silicon-carbide, silicon-nitride, silicon-oxynitride and sialon - Part 4: XRD methods (ISO 21068-4:2024)

UNE-EN ISO 8840:2024 (Ratificada)

Status: VIGENTE /  2024-07-01

Refractory materials - Determination of bulk density of granular materials (grain density) (ISO 8840:2021) (Endorsed by Asociación Española de Normalización in July of 2024.)

UNE-EN ISO 21068-1:2024 (Ratificada)

Status: VIGENTE /  2024-06-01

Chemical analysis of raw materials and refractory products containing silicon-carbide, silicon-nitride, silicon-oxynitride and sialon - Part 1: General information, terminology and sample preparation (ISO 21068-1:2024) (Endorsed by Asociación Española de Normalización in June of 2024.)

UNE-EN 993-11:2008

Status: VIGENTE /  2023-11-06

Methods of test for dense shaped refractory products - Part 11: Determination of resistance to thermal shock

UNE-EN 1094-4:1996

Status: VIGENTE /  2022-11-02

Insulating refractory products - Part 4: Determination of bulk density and true porosity

UNE-EN 993-12:1997

Status: VIGENTE /  2022-11-02

METHODS OF TEST FOR DENSE SHAPED REFRACTORY PRODUCTS. PART 12: DETERMINATION OF PYROMETRIC CONE EQUIVALENT (REFRACTORINESS).

UNE-EN 993-13:1996

Status: VIGENTE /  2022-11-02

Methods of test for dense shaped refractory products - Part 13: Specification for pyrometric reference cones for laboratory use

UNE-EN 993-16:1996

Status: VIGENTE /  2022-11-02

Dense shaped refractory products - Methods of test - Part 16: Determination of resistance to sulphuric acid

UNE-EN 993-3:1998

Status: VIGENTE /  2022-11-02

Methods of test for dense shaped refractory products - Part 3: Test methods for carbon-containing refractories

UNE-EN 993-4:1996

Status: VIGENTE /  2022-11-02

Methods of test for dense shaped refractory products - Part 4: Determination of permeability to gases

UNE-EN 993-9:1998

Status: VIGENTE /  2022-11-02

Methods of testing dense shaped refractory products - Part 9: Determination of creep in compression

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