Use: Mainly applied to LCD ( Liquid crystal Display), optical glass, fireworks, signal flare, flame tube, match, kinescope Item Index (%) Liquid Crystal Grade Industrial GradeSr(NO3)2≥99.098.0Ba≤0.51.0Ca≤0.20.3Na≤0.100.3Fe≤0.0050.01Cl≤0.120.3SO3≤30ppm0.1H2O≤0.10.1Water insoluble matter≤0.050.1Use: Mainly applied to LCD ( Liquid crystal Display), optical glass, fireworks, signal flare, flame tube, ...