HN JYD CHEM FACTORY at yuebingke leuco dye is the main materials for thermochromic area such as thermochromic ink , powder , paints and thermal sensitive paper/lable, medical x ray film .� � its aprearance is white crystal,� � it works with another chemical agent called color developer to make it shoews color or color less by termperatuer. but they need mixed in another agent to strong their sentize of tempratuer .� normally when the temperatuer lower unders its standard the colors shows , when the temperatuer goes higher the colors gone.� � they could used in very wide useage , such as the temperatuere alarm apparatus in industries , thermochromic ink� or paint etc.� our produts purity could reach more than 99% used in medical area such as the thermochroic film to assure its more clear .� our products is 1000TON PER year and get local goverment support .� welcome visit our factory .� Catalogue is avaliable , our main items as bellow : JYDV-1 CAS RN 50293-29-3 color comes to VIOLET JYDR-2 CAS RN 50292-91-6 color comes to RED JYDGN-1 CAS RN 132467-74-4 color comes to GREEN JYDO-1 CAS RN 21934-68-9 color comes to ORANGE JYDB-6 CAS RN 75805-17-3 color comes to BLUE JYDB-5 CAS RN 98660-18-5 color comes to BLUE JYDB-1 CAS RN 69898-40-4 color comes to BLUE JYDR-7 CAS RN 21121-62-0 color comes to RED JYDR-4 CAS RN 26567-23-7 color comes to RED JYDR-3 CAS RN 50292-95-0 color comes to RED JYDR-1 CAS RN 26628-47-7 color comes to RED
