Manufactured in accordance with A.A.T.C.C. standards. For all kinds of fabrics and fabrics, the color fastness of the test product is changed under the environment of GS-3101/GS-3310 by using the acid solution, salt solution, and pressure of 4.5KG.
From a variety of material test cloth (or PVC sheet) according to its dyed color comparison level 9 color comparison card to determine the level.
1. 6-color 9-level color comparison card.
2. Test cloth of various materials.
3. PVE test strip