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AGC Dragontrail™ Chemically Strengthened Glass

Asahi Glass Corporation (AGC) Dragontrail™ is innovative High Ion-Exchange (HIE™) aluminosilicate glass with superior strength, scratch resistance and a beautiful surface finish that is made by applying a proprietary chemical strengthening and tempering process to the highly even and flat float material.

Dragontrail™ supports low profile and reduced weight portable field and industrial devices with a toughness 6x that of soda lime float. It is environmentally friendly and is produced without the use of lead, arsenic and antimony.

Dragontrail™ is an excellent choice of a transparent and damage resistant window or display enhancement glass that helps to enhance the usable lifetime of high contact touch displays, field and industrial image sensors, document scanners and on board vehicular and avionics displays.

Features

  • 6x stronger than soda lime float glass
  • Damage and scratch resistant
  • Vicker’s hardness 673
  • > 600 MPa strength
  • < Depth of Layer* (DOL) < 45µm

* Depth of Layer (DOL) is a measurement of the compressive strength of the glass specific to chemically strengthened glass. It is the depth into the surface of the glass to which compressive stress is introduced. It is defined as the distance from the physical surface to the zero stress point internal to the glass.

Applications

  • Display cover glass
  • Sensor windows
  • Mobile touch device displays
  • Scanner beds
  • Industrial machine vision
  • Obstacle avoidance

Sheet Sizes

  • 48″ x 29″ (1219.2mm x 736.6mm) standard
  • 60″ x 48″ (1524mm x 736.6mm) available**

Thicknesses

  • Stock thicknesses include 0.8mm and 1.1 mm
  • Ranging from 0.5mm to over 5mm may be available upon special request**

** Minimum order quantity may apply, confirm prior to order placement.

Mechanical Properties

Measurement
Dragontrail™
Density
g/cm3
2.48
Young’s Modulus
GPa
74
Poisson’s Ratio
µ
0.23
Shear Modulus
GPa
30
Vickers Hardness (before CS)
596
Vickers Hardness (after CS)
673

Thermal Properties

Measurement
Dragontrail™
CTE (Thermal Expansion)
(50-350°C) x 10-7 / °C
98
Strain Point
°C
556
Annealing Point
°C
606
Softening Point
°C
821

Optical Properties

Measurement
Dragontrail™
Refractive Index
Nd
1.51
Photoelastic Constant
nm/cm/MPa
28.3

Chemical Properties

Measurement
Dragontrail™
Weight Loss
Mg/cm2
• HCI 0.1 mol/1 – 90° for 20 hrs
Mg/cm2
0.03
• NaOH 0.1 mol/1 – 90° for 20 hrs
Mg/cm2
0.56
• HF 5% – 25° for 20 hrs
Mg/cm2
11.8

Electrical Properties

Measurement
Dragontrail™
Dielectric Constant/Loss Tangent
MHz
• 1 MHz
MHz
7.4/0.019
• 2400 MHz
MHz
7.4/0.011

AGC Dragontrail™ Transmittance

AGC Dragontrail™ Transmittance Graph

AGC Dragontrail™ Four Point Bending Strength

AGC Dragontrail™ Four Point Bending Strength Graph

AGC Dragontrail™ Ball on Ring Strength

AGC Dragontrail™ Ball on Ring Strength Graph

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