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    10. Beijing Northglass Technologies Factory
      Beijing Northglass Technologies Factory
      Home   >>   Float Glass   >>   Low Iron Glass

      Low Iron Glass

       Low Iron Glass  Low Iron Glass



      Regular size: 194x610mm, 914x1220mm, 2440x1830mm, 3300x2140mm,

      3300x2440mm, 3660x2140mm, 3660x2440mm

      Natural lighting: The transmission of visual light is almost 90%

      Complete range of size: The float glass can meet the requirement of large area lighting

      Surface: Smooth and flat surface and good vision

      Edge: Flat edge, grind edge, fine polished edge, beveled edge and others

      Corner: Natural corner, grind corner, round corner with fine polished

      Holes: Drill work available at customer's option

      Low iron: Several options. PPG Stairphire low iron glass is also available.

      1. Glass thickness: 3mm~19mm regular thickness: 3mm, 4mm, 6mm

      2. Thickness tolerance: 0.2mm

      3. Visible light (320~1100nm) transmittance (3.2mm thickness): over 91.6%

      4. Iron content: below 150ppm

      5. Poisson's ratio: 0.2

      6. Density: 2.5g/cc

      7. Young's elastic modulus: 73Gpa 8. Tensile modulus: 42Mpa

      9. Hemisphaerium radiance: 0.84

      10. Swelling coefficient: 9.03×10-6/°C

       11. Softening Point: 720°C

      12. Annealing Point: 50°C

      13. Strain Point: 500°C

      Quality Standard: 

      In accordance with GB11614; BS EN572-2European standard; ASTM C 1036 USA standard


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