Color fastness
The so-called color fastness (abbreviated as color fastness) refers to the degree of color fading of dyed fabrics under external factors such as compression, friction, washing, rain, exposure, light, seawater immersion, saliva immersion, water stains, sweat stains, etc. during use or processing. It is an important indicator of fabrics.
Color fastness, also known as color fastness or dye fastness. It refers to the resistance of the color of textiles to various effects during processing and use. Assess the fastness level based on the discoloration of the sample and the staining of the unstained lining fabric. Textile color fastness testing is a routine inspection item in the internal quality testing of textiles.
Textiles are subject to various external factors such as light exposure, washing, ironing, sweat stains, friction, and chemical agents during their use. Some printed and dyed textiles also undergo special finishing processes, such as resin finishing, flame retardant finishing, sand washing, and sanding, which require the color of printed and dyed textiles to maintain a certain degree of fastness.
Color fastness refers to the ability of a product to withstand washing and friction. Products with poor color fastness may experience pigment peeling and fading on the fabric when exposed to rain, sunlight, and other factors during use.
Due to the significant differences in the conditions and requirements that fabrics undergo during processing and use, most of the current testing methods are simulated or comprehensive tests based on the environment and conditions in which they are applied. Therefore, the content of testing methods for color fastness is quite extensive. However, looking at many standards such as the International Organization for Standardization (ISO), the American Association of Colorists and Chemists (AATCC), Japan (JIS), and the United Kingdom (BS), the most commonly used ones are still washing resistance, light resistance, friction and sweat resistance, ironing resistance, and weather resistance. In practical work, the testing items are mainly determined based on the final use and product standards of the product. The tarpaulin of the tent belongs to outdoor textiles, and outdoor textiles need to be tested for their weather resistance color fastness,
Tents have been used outdoors for a long time. Many military tents and rescue tents are customized with colors based on the different environments in which they are used. If the color fastness of the product is poor and the color falls off or fades during use, it will affect the effectiveness and service life. Therefore, we attach great importance to color fastness. In the production of our military tents, rescue tents, all types of high pressure inflatable tents, low pressure inflatable tents, and metal support tents, we conduct color fastness testing on the textiles used. Only textiles that meet the requirements of the test results can be used in our tents.
The most important textile product used in tents is the tarpaulin, which is required to have sun color fastness in terms of weather resistance. So what is sun color fastness?
Sun fastness refers to the degree to which colored fabrics change color under the influence of sunlight. The testing method is to simulate the degree of fading of the sample after exposure to sunlight and compare it with the standard color sample. It is divided into 8 levels, with level 8 being the best score and level 1 being the worst. Fabrics with poor sun fastness should not be exposed to sunlight for a long time and should be placed in a ventilated place to dry in the shade.
