... . 2) Colour: Hundreds of colours, such as silver, gold, brown, blue, green, pink, purple, red, orange, black, rainbow/pearl, multi-color, fluorescent ... OF TEST CHEMICAL CHARACTERISTICS TYPE OF TESTLorning110°C ,60sec.Dry Heat180°C ,60sec.Alkali,Solution of 1st ProcessP.H.4.7, 60°C ,30min.Hot Water90°C ...