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Low Iron Soda-Lime

 

Description
Low iron soda lime is created by using high quality grades of silica sand that are virtually free of iron oxides. This results in a transparent, “water white” glass that has higher transmission characteristics compared to normal soda lime. The difference is usually 2-3% at thicknesses 10mm and up to 8% greater transmission for thicker low iron glass. Even higher transmission (up to 98-99% total transmission) can be achieved by specifying an anti-reflective thin film coating. (Refer to our Thin Film Coating Brochure).

 

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Features: Applications:
  • Higher light transmission
  • Can be AR coated for super high transmission
  • Can be chemically strengthened
  • Good flatness
  • No green tint
  • Port projection
  • Display
  • Lighting
  • Optical
  • Architectural

 

Physical Properties:

• Density 2530 kg/m3 (158 lb/ft3)
• Modulus of Elasticity (Young’s) 7.2 x 1010 Pa (10.4 x 106 psi)
• Modulus of Rigidity (Shear) 3.0 x 1010 Pa (4.3 x 106 psi)
• Bulk Modulus 4.3 x 1010 Pa (6.18 x 106 psi)
• Poisson’s Ration 0.23  
• Specific Gravity 2.53  
• Coefficient of Thermal Stress 0.62 mPa/°C (50 psi/°F)
• Thermal Conductivity 0.937 W.m/m2°C (6.5 btu.in/hr.°F.ft2)
• Specific Heat 0.21  
• Coefficient of Linear Expansion 8.9 x 10-6 strain/°C (4.9 x 10-6 strain/°F)
• Hardness (Moh’s Scale) 5 to 6  
• Refractive Index (Sodium D line) 1.523  
   • (1 μm) 1.511  
   • (2 μm) 1.499  
• Softening Point 726°C 1340°F
• Annealing Point 546°C 1015°F
• Strain Point 957°F (514°C)
• Emissivity (Hemispherical) at 75°F 0.84  

 

Dimensions:

  • Thicknesses: 1mm – 12mm thick
  • Sizes: Up to 130” x 96” (3302 x 2438.4mm)

 

Soda-Lime-Low-Iron

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