|   Specification of Cryolite, Na3AlF6    
 
    
        
            | Code | Formula | Shape | Size | Color | Typical Purity | Package |  
            | EFN1001 | Na3AlF6 | Granule | 1~4mm |   | 99.99% | 1000g |    The property of Na3AlF3 material 
Transmission range: 250-14000 nm                            Density:     2.95g/cm3 Refraction index at λ: 1.35/500 nm                             Melting point: 1000℃   |