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Sapphire View Port Window

  • Price:

    Negotiable

  • minimum:

  • Total supply:

  • Delivery term:

    The date of payment from buyers deliver within days

  • seat:

    Beijing

  • Validity to:

    Long-term effective

  • Last update:

    2017-12-24 02:38

  • Browse the number:

    367

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Company Profile

Hangzhou JWG Technology Co.Ltd

By certification [File Integrity]

Contact: tugao(Mr.)  

Email:

Telephone:

Phone:

Area: Beijing

Address: Beijing

Website: http://www.ceramic-metal-part.com/ http://tugao.stylegd.com/

Product details

Sapphire View Port Window Sapphire(Al203)property list

Molecular formula

Al203

Density 

3.95-4.1g/cm ³

Crystalstructure

Hexagonal crystal

Lattice constant

a =4.785A,c=12.991A

Mohs hardness

9(below the diamond:10)

Melting point

2045°C

Boiling point

3000°C

Thermal expansivity

5.8×10-6/K

Specific heat

0.418W.s/g/k

Thermal conductivity

25.12W/m/k(@100°C)

Refractive index

no=1.768  ne=1.760

dn/dt

13×10-6/K(@633nm)

Light penetration

T≈80%(0.3~5μm)

Permittivity

11.5(//c),9.3(丄c)