lighting glass made of borosilicate glass

1.Great material for lighting glass 2.low co-efficient of expansion 3.high softening point 4.180K thermal shock resistance

 

Great borosilicate float glass for lighting glass

 

I. Application     

   lamp glass 

II. Specification of Product1) Dimensions: 1200mm×600mm 1200mm×900mm 1200mm×1800mm other formats upon    request

2) Available thickness: 2mm--12mm 

3) Net sized glass of strengthening can be supplied as per the customers requirement;4) Glass of small cut size is available according the requirement from customers.

III. Performance of the Product1).  Mechanical PerformanceDensity  ρ              2.23±0.02g/cm32). Thermodynamic PerformanceThermal expansion coefficient           (0-300) 3.3±0.1×10-6K-1Softening point        820±10Strain point        516±10Caloricity (20-100) 0.82KJ × (kg×K)-1Thermal coefficient        1.2W×m×K-1Thermal shock resistance 180KStrengthening type 300KIdentical temperature difference 100KStrengthening type 300 KMaximum working temperature Short time(<10h): 500  Long time(>10h): 4503).  Chemical PerformanceWater resistance                      ISO719/DIN12111 HGB1/ISO720 HGA1Acid resistance ISO1776/DIN12116 1Alkali resistance ISO695/DIN52322 A24). Optical PropertyRefractive index Nd: 1.47384Transmittance spectrum curve

5). Electrical PropertySpecific resistance lgρ  8.0Ω×cm at 250Dielectric dissipation fraction tan σ (1 megacycle at 20): 38×10-4Dielectric constant ε=4.7 The above mentioned specifications are in conformity with standard of ISO3585 after inspection and detection as well as examination by the Quality Supervision and Inspection Center of the National Light Industry for Glass Product and, Beijing Glass & Ceramic Quality Supervision and Inspection Center.

IV.  Means of Processing for Customers Cutting Round corner Round edge Surface fine polishing Hole drilling Coating Surface printing and sand blasting Thermal bending