Products BaF2

Characteristic

Characteristic
Characteristic
Characteristic
  • Barium fluoride exhibits a wide transmittance wavelength range of up to 13 μm in the infrared region, the widest among fluoride crystals.
  • The crystalline material is physically and chemically stable, and is resistant to water and chemicals.

Transmittance

Transmittance

Physical Properties

Basic Physical Properties
Name of crystal material BaF2
Transmittance wavelength range (μm) 0.15～13
Color Colorless
Density (g/cc) 4.83
Melting point (℃) 1280
Solubility (g/100gH2O) (30℃) 0.162
Molecular weight 175.36
Crystal system Cubic
Crystal structure Fluorite type
Cleavage plane ｛１１１｝
Thermal Properties
Thermal Expansion α (/℃)（0℃） 18×10-6
Thermal Conductivity λ (cal/cm･sec･℃) 2.8×10-2
Specific Heat Cp (cal/g･℃) 0.098
Mechanical Properties
Knoop Hardness Hk 82
Young’s Modulus E (GPa) 66.1
Modulus of Rigidity G (GPa) 25.4
Poisson Ratio 0.343

Application

Infrared lens
Infrared lens
Infrared measuring device
Infrared measuring device

Pamphlet Download（PDF）

Pamphlet

Pamphlet (PDF: 212KB)

  • * Please contact us for more information about sizes and specifications.