1.thermochromic pigment 2.High quality 3.Competitive price 4.Widely used in ceramic,fabric,plastic ... / Violet/Turkey blue / Blue/ Sky blue/ Peach / Orange / Chinese red/ Red/Yellow / Dark blue/ Grass Green/ Black/ Green Standard temperatures: 13 ... when temperature changes. Color range: Grass Green, orange, yellow, purple, red, purple, blue, black, golden yellow, skyblue,etc...Standard temperatures: ...