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Calcium fluoride Powder
  • Calcium fluoride Powder

Calcium fluoride Powder

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Calcium fluoride

CAS number:7789-75-5

Usages: Widely used in chemical industry, metallurgy, glass, enamel and cement, etc

Packing: It is packed in woven bag lined with plastic bag. Net weight: 25kg/bag.


Name Special grade(%) Analytically pure (%) Chemically pure(%)
Content ≥99.0 ≥98.5
Sulfate(SO4) ≤0.02 ≤0.05 ≤0.15
Chloride(Cl) ≤0.005 ≤0.01 ≤0.02
Ferrum(Fe) ≤0.003 ≤0.003 ≤0.025
Plumbum(Pb) ≤0.003 ≤0.003 ≤0.01
Nitrogenous compound(N) ≤0.01 ≤0.005 ≤0.02
Losses on ≤2.0(loss on drying) ≤0.4(105°C)
Carbonate(CO3) qualified qualified
Silicon(Si) ≤0.01 ≤0.01 ≤0.04

Metallurgy level


metallurgical industry................fluxing agent welding flux

chemical industry.......................Production hydrofluoric acid of raw materials

building material industry...........Glass, ceramic, cement

craft carving................................Decorations, crafts

High precision optical components such as windows, prisms, substrates, beam splitter, optical wedges, cylindrical mirrors, nonspherical mirrors etc

Standard index

Items Super Grade A Super Grade B Grade A Grade B
CaF 2 , %≥ 98.5 98 97 96
SiO 2 0.2 0.4 0.6 0.8
S 0.05 0.08 0.10 0.10
P 0.03 0.05 0.06 0.06
Fe 0.1 0.2 0.3 0.3
Fineness 300mesh 300mesh 300mesh 300mesh

Calcium fluoride crystal (Coating material)


Our products of optical crystal CaF2 is quality optical materials applying to highprecision optical components such as windows, prisms,substrates, beam splitter, optical wedges, cylindtrical mirrors, nonspherical mirrors etc. It is the most important and main material in apochromatic lenseds system. The outstanding properties at UV band make it used in UV microlithography in electronic chips manufacture aspects. Because of the good properties at UV, Vis and IR band, CaF2optical crystals are applied widely in sciences research , high-tech and civil industry.


Cut off wavelength 0.13~9μm


Moh's hardness: 4 Gpa

Young modulus:146.1Gpa

Density: 3.18g/cm3

Coefficient of linear expansion: 1.84 x 10-5/k

Information is up-to-date: 07.03.2018

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