Tests for colour fastness to perspiration SS-EN ISO 105-E04

It is important that dyed textiles maintain their intended colour and do not bleed onto other fabrics and materials through staining. When we sweat, fabrics that come into contact with the skin can be affected, and if the colour does not adhere as it should, it can cause unwanted staining.

This service is also relevant in: Metrology, Food

Service details

Service
Colour fastness- Tests for colour fastness to perspiration SS-EN ISO 105-E04
Delivery level
Accredited
Standards

SS-EN ISO 105-E04

Price
Price on tender
Delivery time

Normal delivery time is 5-10 business days. A more exact delivery time is specified in the order confirmation that is sent after recieved order and sample material.

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Ingegerd Hartmann

Forsknings- och utvecklingsingenjör
+46 10 228 47 86 Read more about Ingegerd

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Syfte

One of the most common sources of consumer complaints is when dyed textiles change and vary too much from the purchased product and become unacceptable to the user. A piece of fabric can have good colour fastness in one state but worse in another. It can therefore be important to test a textile’s colour fastness when exposed to sweat. A good example is a light-coloured bra that is discoloured by a coloured shirt that has become moist from sweat. 

Poor colour fastness can be due to pretreatment, choice of dye, dyeing process, aftertreatment, and use.

Metod

The fabric is moistened with sweat liquid and placed under pressure at 37°C for 4 hours together with staining-fabric of the chosen fiber type. Colour change and staining are assessed in a light box under standardized light against a gray scale.

Leverans

A report in Swedish or English is provided with obtained results. 

Related

Expertise

Textile colour fastness

One of the most important quality criteria for coloured textiles is their ability to retain their colour and not to cause dyeing or colour change. Colour change usually means colour loss. Staining, the ability of colour to bleed from one material to another.
Service

Domestic washing and drying according to SS-EN ISO 6330

Washing affects textile materials in several ways. The method is used to determine various properties such as dimensional change, wrinkling, seam puckering, general changes in appearance (pilling, fuzziness) after washing. The method is also used as pre-treatment of materials prior to testing of flammability or mechanical properties.
Solution

Textile testing, analysis and certification

At one of Northern Europe’s most comprehensive textile laboratories, we help you verify textile properties using more than 400 chemical, mechanical and physical testing methods in modern ISO 17025-accredited environments. We also support OEKO-TEX® certifications, helping strengthen trust in your brand and products.