Qingdao QY Liquid Crystal Co., Ltd. is a professional manufacturer and exporter of liquid crystal material, liquid crystal monomer,liquid crystal intermediate and Nematic liquid crystal, especially for polymer dispersed liquid crystal Liquid Crystal Mixture QYPDLC-036 Lower Operating Temperature Tkn(C) <-10 Upper Operating Temperature Tni(C) 95 Birefringence(589nm,20C) 0.2501 Ordinary Refractive Index (No)(589nm,20C) 1.521 Refrective index Extraordinary (Ne)(589nm,20C) 1.771