Usage: Manufactured according to A.A.T.C.C. standard. Changes in color fastness of the test products under the environment of GS-3101/GS-3310 by using the acid and salty solution prepared for various fabrics and fabrics and adding pressure of 4.5KG
Results: From a variety of material test cloth (or PVC sheet) according to its color comparison 9 grade color comparison card to determine the grade
Auxiliary equipment Reference:
1.6 Color Grade 9 Color Comparison card
2. Multi-material test cloth
3.PVC test piece
4.GS-3101
5.GS-3310