E42 Determination Of Color Fastness Against Washing E417

[@naritsaraphowattanachai7482]

เริ่ม 1:01
Apparatus & parameters 1:17
Prepare the sample 1:45
Prepare detergent 3:26
เริ่มทดสอบ 5:40
Washing 6:50
Grey scale 8:29

[@liveforlife7673]

What is color fastness to laundering and why do we test for it?

[@FlamingR3Dhead]

Does the washing fastness test take place immediately after dyeing? Or is there a preliminary wash first?

[@MsMyticBlue]

tebrikler, gerçekten gurur duydum:)