Tearing strength of zippers tired with 300 tiring section (open-close) was not less then 90% of the standards without tiring.
Color fastness (1)
Color fastness to light
Color fastness to washing 60°C
MSZ EN 20105 CO 3
Color fastness to dry cleaning
Color fastness to perspiration (alkaline, acid)
Color fastness to dry/wet rubbing
(1) As invisible zippers are new released products worldwide, there are no standards for them. The mechanical requirements are based on the standards of Deutsches Institut Für Normung DIN 3419-1 regarding the similar Kunststoffdraht-Reissverschlüsse 00 Exams were made in Concordia own laboratory. Control is made by ÉMI-TÜV SÜD Ltd. (KERMI) laboratories.
(2) Colour fastness exams were made in ÉMI-TÜV SÜD Ltd.’s (KERMI) laboratories.
Human ecology information
all of raw materials that were used under productions of this type of zip fastener and all of dyestuffs and textile chemicals were used to dyeing and finishing of this type of zip fastener are corresponding to the Oeko-Tex Standard 100 product class II.
We can’t guarantee that this type of zip fastener is exactly suitable for your application so you should always make tests with the affected product. If you have any questions or concerns do not hesitate to contact us.