ISO 15797 PDF

EN ISO is your guarantee that the products can withstand industrial washing and drying processes without problems. The testing procedure must simulate. ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work. ISO (): Testing workwear for suitability for tough industrial laundering conditions – standardised washing and drying procedures.

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However, it should still always be clean, retain its form and colour for a long time, and above all maintain its varied functions long term – even after frequent wear and the many washes that result from this.

When workwear is prepared in commercial laundries, all processing steps must be adjusted to the specific requirements of the respective workwear, oso sorting to specific washing and drying procedures.

Manufacturers and suppliers of workwear can use a label code for care that has been specially developed for professional laundries to ensure that the clothing is optimally treated. Before these care symbols can be attached to the items of clothing, however, defined properties must first be tested using defined test washing procedures.

Care labelling for workwear

The Hohenstein Institute has developed a catalogue of requirements that can be used to competently assign the symbols according to the articles tested. These items of clothing can also be awarded the Hohenstein label for care io for workwear.


Individual symbols for industrial washing and drying procedures As the washing procedures in commercial laundries are much more complex than those in domestic laundry, and each laundry also uses individual washing procedures, results can differ substantially between them.

The different treatment conditions in industrial laundries compared to domestic laundry primarily result from the size of the machine, the organisation of the washing procedure, the use of detergents and auxiliary agents, and efficient drying methods.

The textiles, which have to be treated in laundries without losing their functions, must therefore be tested in advance to find out if they are suitable for industrial reprocessing and also labelled accordingly.

Normally, these test washing procedures can only be applied in test laboratories. Symbol jso for professional industrial laundry The care symbols for washing and drying in commercial laundries consist of several individual components. Together, all components result in the following example care labels:.

Care labelling for workwear | press information

Label for professional industrial laundry A rectangular box with the word PRO written in capital letters and in negative lettering. This label shows whether an item is suitable for care in a professional laundry.

Isp symbol An example of a washing symbol. The selected washing procedure is displayed in reverse. The figures in the box for the washing symbol correspond to one of the 8 washing procedures described in ISO 1797 symbols 1 Tunnel finisher Tunnel finishing is displayed in a square that is split into 3 equal rectangles.


The symbols suitable for the items of clothing are selected after specific properties have been tested. The properties are important for the use of workwear 15977 protective clothing and can be negatively affected during care treatment.

Various properties can be taken into account, depending on the material, structure, and use of the article. However, it does not list any requirements for the respective properties, such as dimensional change, colour fastness, or the fraying of seams, for example.

For this purpose, the Hohenstein Institute has developed a catalogue of requirements which can be used to assign suitable symbols to an article. If the requirements are met, the Hohenstein label for care labelling in commercial laundries is awarded. Home International Press Ixo Downloads 0.

Together, all components result in the following example care labels: Tumble drying is labelled with a hexagon inside of a square. Selecting suitable symbols The symbols suitable for the items of clothing are selected after specific properties have been tested. Further information is available from: Press releases 80 years and still going strong! Fresh momentum for members and customers New processes for cleaning high-visibility New test method developed for hand disinfection.