E-mail: [email protected] [email protected] http://www.liquidcrystals.cn http://www.canaanchem.com Qingdao QY Liquid Crystal Co., Ltd. is a professional manufacturer and exporter of liquid crystal material, liquid crystal monomer,liquid crystal intermediate liquid crystal Mixture QYPD-470-10 Lower Operating Temperature Tkn(C) -20 Upper Operating Temperature Tni(C) 88 Birefringence(589nm,20C) 0.275 Ordinary Refractive Index (No)(589nm,20C) 1.529