A reversible temperature indicating paint, based on alkyd resin varnish, chromophoric pigment ( CoCl 2 · 2C 6H 12 N 4 · 10H 2O) and low cost pyrophyllite filler and xylene, has been prepared. 采用醇酸清漆漆基,变色颜料(CoCl2·2C6H12N4·10H2O),价廉、易得的叶蜡石填料和二甲苯溶剂,制得可逆型示温涂料。