sight glass

sight glass high quality , reasonable price 3.3 co-efficient of expansion 820 softening point 180 thermal shock resistance

sight glass

II. Specification of Product1) Dimension       600×1200mm(Max.800×2000mm )2) Thickness        1.5~8mmList of Thickness and ToleranceThickness mm Tolerance mm Thickness mm Tolerance mm1.50 ±0.20 4.00 ±0.152.00 ±0.20 5.00 ±0.152.25 ±0.20 5.50 ±0.152.75 ±0.20 6.00 ±0.153.0 ±0.20 6.50 ±0.203.30 ±0.20 7.50 ±0.303.80 ±0.15 8.00 ±0.303) 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 Product 1).  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): 450 3).  Chemical Performance Water 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 CustomersCutting Round corner Round edge Surface fine polishing Hole drilling Coating Surface printing and sand blasting Thermal bending