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SCHOTT Xensation® 3D
Chemical strengthened lithium alumino-silicate glass

Xensation® 3D is a chemically strengthened lithium alumino-silicate glass that offers an outstanding level of mechanical impact and bending strength, as well as high resistance to scratches. The low transformation point of Xensaton® 3D allows thermal bending in the temperature range of ordinary soda-lime glass. This specialty glass has been designed to achieve strength performance levels ideally suited to tough applications – from smartphone to rugged displays to automotive applications to safety glazing. The unique glass composition combined with more than 130 years’ experience in making specialty glass results in one of the most robust and reliable cover glass available today.

Key-Benefits of Xensation® 3D

  • Extremely high impact and bending strength for thinner, sleeker and more touch sensitive solutions
  • High scratch and wear resistance for superior aesthetic appeal, durability, strength and reliability even after surface damage
  • Thermal bending at similar temperatures to soda-lime glass
  • Manifold combinations of CS and DoL at the highest levels
  • Available in a broad range of thicknesses from 0.55 mm to 8.00 mm

Technical data of Xensation® 3D

Mechanical Properties
Density 2.49 g/cm3
Young’s Modulus E 83 kN/mm2
Poisson’s Ratio 0.22
Shear Modulus 34 kN/mm2
Knoop Hardness HK 0.1/20  
   Non-strengthened 590
   Strengthened 740
Vickers Hardness HV 0.2/20  
   Non-strengthened 640
   Strengthened 690
Optical Properties
Refractive Index at 588 nm 633 nm 780 nm
Core Glass 1.548 1.528 1.525
Compression Layer
   KNO3 pure		  
1.56 1.53 1.53
Photoelastic Constant nm/(cm•MPa) 29.6 27.4 27.2
Transmittance τ  0.7 mm 3.0 mm 8.0 mm
   840 nm > 91 % > 91 % > 91 %
   560 nm > 91 % > 90 % > 90 %
   380 nm > 90 % > 85 % > 85 %
Electrical Properties*
Frequency         Dielectric Constant       Loss Tangent
MHz ε´ tanδ
1 7.60 0.0064
54 7.37 0.0063
480 7.35 0.0082
825 7.22 0.0088
912 7.22 0.009
1977 7.18 0.01
2170 7.17 0.01
2986 7.15 0.01

*These values are no guaranteed data - for customer orientation only.
Chemical Properties
Hydrolytic resistance acc. to DIN ISO 719         
   Hydrolytic class HGB 2
   Equivalent of alkali (Na2O)per gram of glass grains in μg/g 41
Acid resistance acc. to DIN 12116
   Acid class S 3
   Half surface weight loss after 6 hours in mg/dm2 10
Alkali resistance acc. to DIN ISO 695
   Class A 1
   Surface weight loss after 3 hours in mg/dm2 41
Chemical Strengthening*
Compressive Stress capable > 700 MPa
Depth of Layer capable > 120 μm
4-Point Bending Strength capable > 600 MPa
*Specialized strengthening process is required.
Thermal Properties
Thermal Conductivity λ (25 °C) 1.22 W/(m•K)
Specific Heat Capacity Cp (20 °C; 100 °C) 0.9 J/(g•K)
Coefficient of
Mean Linear Thermal Expansion α (20 °C; 300 °C)		 8.5 • 10-6 K-1
Transformation Point Tg 505 °C
Annealing Point (1013 dPas) 515 °C
Softening Point (107.6 dPas) 720 °C
Working Point (104 dPas) 1070 °C
Forms supplied
Standard
Sheet Size: 1,150 x 850 mm
Thickness Range: 0.55 - 8.0 mm
Further thicknesses and sheet sizes are available on request.
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