Trade Lead Description:
Features: General
Chemical Formula Al2O3
Crystal System Trigonal
Class Hexagonal-scalenohedral
Melting Temperature 2030oC
Thermal
Thermal Expansion Parallel to C-axis: 6.7?0-6
Perpendicular to C-axis: 5.0?0-6
Specific Heat 0.18 Cal/gmoK(25℃)
Mechanical
Density 3.98 ~ 4.1g/cm3
Hardness 9Moh’s Scale Hv≥1700kg/mm2
Modulus Of Elasticity 340-380Gpa
Compressive Strength 2.1Gpa
Tensile Strength 0.19Gpa
Optical
Index of Refraction Parallel to C-axis:1.769
Perpendicular to C-axis:1.76
Index of IR Transmission 85%
Electrical
Electrical Resistance >1016Ω/cm (25°c) Dielectric Constant 7.5-10
Chemical
Corrosion Resistance: Can not be corroded by acid or alkali at normal temperature, only can be corroded by HF at 300oC Posted from China - Jiangsu on 1 August, 2008
|
|
|
| Contact Information |
Join Now or Login to contact Trade Lead Poster! |
Similar Trade Leads: RUBY LOCKET WITH POWER SPIRIT JINNS 18 CARAT SINGLE Nokia N96,N76,N78,N94,8800 Sapphire Arte in stocking Ruby, Sapphire, Emerald, Tanzanite, Tourmaline Gemstone Beads Necklace Brand New Nokia 8800 sapphire arte Unlocked from Finland Large Quantity of Ruby and Saffires for sale More Sapphire/ruby property Trade Leads
|
Related Site Sections: Company Directory: Miscellaneous - Optical, Meas. & Medical Instrument Biz Keywords: Miscellaneous - Optical, Meas. & Medical Instrument Product Showroom: Miscellaneous - Optical, Meas. & Medical Instrument Latest Business News ODP: Business: Wholesale Trade ODP: Business: Consumer Goods and Services ODP: Business: Industrial Goods and Services ODP: Business: Arts and Entertainment ODP: Business: Aerospace and Defense |
|
|
| View More Trade Leads |
|
|
|
|
|





|