nematic liquid crystal negative

nematic liquid crystal negative Lower Operating Temperature Tkn(C) Upper Operating Temperature Tni(C) Viscosity (mm2s-1,20C) Birefringence(589nm,20C) Ordinary Refractive Index (No)(589nm,20C) Refrective index Extraordinary (Ne)(589nm,20C) 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 polymer dispersed liquid crystal 50649-60-0