UNE - Spanish national standards

Rubber- or plastics-coated fabrics - Determination of tensile strength and elongation at break (ISO 1421:2016)

Available languages: English, Spanish

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Chemicals used for treatment of water intended for human consumption - Ammonium chloride

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Surface active agents - Determination of interfacial tension of solutions of surface active agents by the stirrup or ring method

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Welding consumables. Test for the determination of total humidity of the coating of basic electrodes for manual arc welding and test for the determination of humidity taken by the coating

Available languages: Spanish

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Ambient air - Standard method for the measurement of the concentration of nitrogen dioxide and nitrogen monoxide by chemiluminescence

Available languages: English, Spanish

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Ambient air - Standard method for the measurement of the concentration of sulphur dioxide by ultraviolet fluorescence

Available languages: English, Spanish

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Liquid petroleum products - Fatty acid methyl esters (FAME) for use in diesel engines and heating applications - Requirements and test methods

Available languages: English, Spanish

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Textile floor coverings - Classification of rugs and runners (Endorsed by Asociación Espanola de Normalización in January of 2026.)

Available languages: English

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Cement - Composition, specifications and conformity criteria for very low heat special cements

Available languages: English, Spanish

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Hexagon nuts with flange. Fine pitch thread. (ISO 10663:1999 modified)

Available languages: English, Spanish

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