How many types of Fabric color fastness tester are there

How many types of Fabric color fastness tester are there?
Date：2016-04-14|Author：QINSUN |
The general concept of color fastness tester
Color fastness tester is dyed, printed fabric quality requirements. Because dyed fabric due to the light, sweat, friction, washing, ironing and other causes Ken color or discoloration in custody and wear, which affects the aesthetic appearance of the fabric or garment. Nature or extent of staining state variation can be used to represent the color fastness. Fabric washing fastness tester and fiber type, yarn structure, weave, dyeing methods, the dye type and size of the external force. It can be divided into light fastness, washing or soaping fastness, rubbing fastness, perspiration fastness, ironing fastness and sublimation fastness.
　1. Light color fastness tester Light fastness refers to the color of the fabric degree of discoloration by sunlight effect. The test method can also be employed using daylight sun sunlight machine according to the sun, the sample and standard color according to the degree of fading sun-like comparison, is divided into eight, eight best, 1 worst. Poor light fastness of fabric avoid prolonged exposure to sunlight, suitable for dry ventilated place.　
2. Rubbing color fastness tester of dyed fabric refers to the degree of fade after after rubbing; friction can be divided into dry and wet friction. Rubbing color fastness tester white cloth staining degree as the evaluation principles, is divided into five (1-5), the greater the value, the better the representation rubbing fastness. Poor rubbing fastness of fabric life is limited.
3. It refers to the degree of perspiration dip dyed fabrics fade after the sweat. Perspiration due to manual preparation of the different components of sweat, which in addition to the general determination alone, but also in combination with other color fastness up assessment. Perspiration divided into 1 to 5, the greater the value the better.
　　4. Wash fastness tester to washing or soaping is the degree of dyed fabric after washing liquid color change. Usually gray card as a kind of graded assessment criteria, which rely on color as a sample and after fading to judge. Wash fastness tester is divided into five levels, level 5 the best, 1 worst. Poor color fastness tester of fabric should be dry, should be wet cleaning, you need to pay more attention to the washing conditions, such as washing temperature is not too high, not too long time, etc.
　 5. Sublimation color fastness sublimation phenomenon refers to the degree of dyeing the fabric in place in storage. Sublimation color fastness Grey scale sample card assessing change in the fabric by hot dry pressing process, the degree of fading and staining white, is divided into five, the worst level 1, level 5 the best.　　
 
Normal fabric color fastness tester, generally required to achieve grade 3 to 4 in order to meet the need to wear six or ironing fastness refers to the degree of discoloration or fading dyed fabric appears when ironing. This discoloration, fading degree is iron while other fabric staining to be judged. Ironing fastness is divided into 1 to 5, 5 best, 1 worst. Ironing fastness test different fabric, should choose a good test with an iron temperature.