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Laboratory analysis and testing

Physical and chemical tests ensure that your materials and finished products meet regulatory limits and deliver the expected performance.

This exclusive database allows you to find the main tests to be performed by CTC based on the product, technical criteria, and/or standards.

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Behaviour to wet heat (7 days)
The purpose of this determination is to assess the wet heat behaviour of a whole item, of a material sample or of an assembly. This test is particularly useful for evaluating the risk of corrosion of metal parts in the presence of leather materials. Leathergoods / LuggageColor fastnessCTC method - CTC-P-BA-014 Migrakit test
Leather goods comprising both leather and PVC-coated canvas may experience migration from one to the other. Hence the leather colour may mark the coated canvas via contact. This test is used to check the compatibility between the various PVC canvas / leather combinations. LeathergoodsColor fastnessEN ISO 15701 Color fastness to light
This test is used to anticipate any colour deterioration that might occur due to exposure to light. LeathergoodsColor fastnessCTC method - CTC-P-DV-01 Resistance to surface wetting
This test is used to evaluate leather water repellence Leather / LeathergoodsColor fastnessEN ISO 17231 Color fastness to water spotting
Water can cause deterioration of both the colour and the internal structure of leather (swelling). This test is used to check the sensitivity of leather and its finish to spots of water deposited on the surface. Leather / LeathergoodsColor fastnessEN ISO 15700 Color fastness to water
This test is used to evaluate the staining (transfer) from leather via contact with various types of fabric in the presence of water. LeatherColor fastnessEN ISO 11642 Color fastness to perspiration
This test is used to evaluate the staining (transfer) from leather via contact with various types of fabric in the presence of alkaline sweat. Leather / LeathergoodsColor fastnessEN ISO 11641 Color fastness to ultra-violet Light
Yellowing phenomena of white colours can be a big nuisance. The purpose of this test is to cause accelerated colour ageing through exposure to UV, to anticipate the in-use behaviour of leather. FootwearColor fastnessNF G 52 300 Color fastness to light (each additional 24h)
This test is used to anticipate any colour deterioration that might occur due to exposure to light. This test is based on EN ISO 105B02. LeatherColor fastnessCTC method - CTC-P-DV-01 Color fastness to light (until 72h)
This test is used to anticipate any colour deterioration that might occur due to exposure to light. This test is based on EN ISO 105B02. LeatherColor fastnessCTC method - CTC-P-DV-01 Color fastness to rubbing (dry and wet conditions)
This test is used to determine the amount of color transferred from the surface of a colored leather to other surfaces, by rubbing.two rubbing tests are carried out: one with a dry standardized white cotton rubbing cloth and the other with a wet standardized white cotton rubbing cloth. This method applies to all types of colored leather. Leather / LeathergoodsColor fastnessEN ISO 20433 Color fastness to rubbing (sweat condition)
This test is used to check whether repeated rubbing is able to cause deterioration of the leather colour, on the one hand, and whether the colour can run (transfer) onto the backing material. Leather / LeathergoodsColor fastnessEN ISO 11640 Color fastness to rubbing (wet condition)
This test is used to check whether repeated rubbing is able to cause deterioration of the leather colour, on the one hand, and whether the colour can run (transfer) onto the backing material. Leather / LeathergoodsColor fastnessEN ISO 11640 Color fastness to rubbing (dry condition)
This test is used to check whether repeated rubbing is able to cause deterioration of the leather colour, on the one hand, and whether the colour can run (transfer) onto the backing material. Leather / LeathergoodsColor fastnessEN ISO 11640 Determination of washability in domestic washing machine
This test is used to evaluate the domestic washability of shoes. The method is intended for any shoe claiming to be cleanable in this way, particularly for slippers. FootwearColor fastnessEN ISO 19954

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This list is not exhaustive and is not representative of all the tests and analysis carried out at CTC.

Physical testing Chemical analysis PPE Footwear Leather goods Glovemaking Standards Leather Standardization Colour

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