Color fastness is one of the important quality indexes of cotton-nylon flame retardant fabric. Color fastness generally refers to the degree of color retention of cotton-nylon flame retardant fabrics under physical and chemical effects. The color fastness of the sample after test is used to evaluate the color fastness of the cloth.
At present, the most commonly used color fastness testing of cotton-nylon flame retardant fabrics are rubbing fastness, sweat fastness, wash fastness, light fastness, water immersion fastness, brush fastness, weather fastness and other items. In real life, the final use of cotton-nylon flame retardant fabrics is the main basis to determine which items to assess, including sweat stain resistance, dry friction resistance, color fastness to water immersion is the basic safety requirements of cotton-nylon flame retardant fabrics.
The color fastness of cotton-nylon flame retardant fabrics is generally evaluated by visual method, that is, gray sample card is used as standard sample, under certain light and environmental conditions, gray card and sample are compared with human eyes to determine sample discoloration and white cloth staining order.
The color fastness, tearing strength and flame retardant properties of cotton-nylon flame retardant fabrics produced by Yulong textile in Xinxiang City are higher than those of the same products. The highest color fastness of cotton-nylon flame-retardant fabric can reach grade 6, and the formaldehyde content of cotton-nylon flame-retardant fabric is very low. The cotton-nylon flame retardant fabric has reached the standard requirements of GB8965-98, ISO EN11611, EN11612, EN14116 and so on. High strength, high sun resistance, high environmental protection and other advantages, making the cotton nylon flame retardant fabric by customers all over the world.