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Baria-Alkali-Silica Glass (IEC G-600) vs Gorilla Glass

Glass · grade comparison

Baria-Alkali-Silica Glass (IEC G-600) and Gorilla Glass are both glass grades. Gorilla Glass is the stronger of the two: tensile strength 350 MPa (50.8 ksi) against 45 MPa (6.53 ksi) for Baria-Alkali-Silica Glass (IEC G-600), about 7.8 times as much. Gorilla Glass is harder — 620 HV against 540 HV for Baria-Alkali-Silica Glass (IEC G-600) — which matters for wear surfaces and threads. Gorilla Glass is lighter (2.42 g/cm³ vs 2.82 g/cm³ for Baria-Alkali-Silica Glass (IEC G-600)) and Baria-Alkali-Silica Glass (IEC G-600) runs hotter in service (420°C vs 200°C continuous). On the shop floor, Gorilla Glass sits in a lower cost tier (standard, $$) than Baria-Alkali-Silica Glass (IEC G-600) (premium, $$$).

Baria-Alkali-Silica Glass (IEC G-600)Choose it when the part sees heat.

Gorilla GlassChoose it when strength drives the design, or when surface hardness matters.

Baria-Alkali-Silica Glass (IEC G-600) vs Gorilla Glass: properties

Baria-Alkali-Silica Glass (IEC G-600)Gorilla Glass

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Shear Modulus

29 GPa4.2 Msi
29.5 GPa4.3 Msi

Bulk Modulus

43 GPa6.2 Msi
42 GPa6.1 Msi

Poisson's Ratio

0.22
0.21

Tensile Strength (Ultimate)

45 MPa6.5 ksi
350 MPa50.8 ksi

Compressive Strength

900 MPa131 ksi
1,000 MPa145 ksi

Flexural Strength

70 MPa10.2 ksi
800 MPa116 ksi

Shear Strength

35 MPa5.1 ksi
—

Fracture Toughness (K_IC)

0.72 MPa·√m0.66 ksi·√in
0.75 MPa·√m0.68 ksi·√in

Hardness, Vickers

540 HV
620 HV

Hardness, Knoop

470 HK
590 HK

Hardness, Mohs

5.8
6.5

Same in both: Elastic (Young's) Modulus 72 GPa10.4 Msi · Elongation at Break 0%

Physical

Density and transition temperatures.

Density

2.82 g/cm³0.1 lb/in³
2.42 g/cm³0.09 lb/in³

Refractive Index

1.56
1.5

Light Transmission

90%
92%

Same in both: Porosity 0%

Thermal

How each material carries heat and how hot it can run.

Specific Heat Capacity

790 J/kg·K0.19 BTU/lb·°F
820 J/kg·K0.2 BTU/lb·°F

Thermal Expansion (CTE, 20–100 °C)

9.5 µm/m·K5.3 µin/in·°F
7.9 µm/m·K4.4 µin/in·°F

Max Service Temperature (continuous)

420°C788 °F
200°C392 °F

Same in both: Thermal Conductivity 1 W/m·K0.58 BTU/hr·ft·°F · Min Service Temperature -100°C-148 °F

Electrical

Conductivity and insulation.

Dielectric Strength

25 kV/mm635 V/mil
15 kV/mm381 V/mil

Dielectric Constant (1 MHz)

7
7.2

Dissipation Factor (1 MHz)

0.004
0.011

Same in both: Electrical Resistivity 1×10¹² Ω·m3.94×10¹⁹ µΩ·in · Volume Resistivity 1×10¹⁴ Ω·cm

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Corrosion Resistance

80 / 100
90 / 100

Manufacturability

FabDigit workshop ratings (0–100 scores) — how each material behaves on the machine.

Machinability

8 / 100
5 / 100

Polishability

92 / 100
95 / 100

Sustainability

Primary-production footprint per kilogram.

Embodied Energy (primary production)

16 MJ/kg6,879 BTU/lb
35 MJ/kg15,047 BTU/lb

Embodied Carbon (primary production)

1.3 kg CO₂/kg
2.6 kg CO₂/kg

Embodied Water

15 L/kg1.8 gal/lb
25 L/kg3 gal/lb

Typical Recycled Content

15%
3%

Common Calculations

Ratios derived from the values above.

Specific Strength (UTS / density)

16 kN·m/kg
145 kN·m/kg

Specific Stiffness (E / density)

25.5 MN·m/kg
29.8 MN·m/kg

Thermal Diffusivity

0.4 mm²/s
0.5 mm²/s

Thermal Shock Resistance Index

0
1

Strength versus weight

Yield strength against density for every glass grade in the FabDigit library; the compared grades are highlighted. Up and left is stronger for its weight.

501002005002.533.5Density (g/cm³)Yield strength (MPa) — log scaleGorilla Glass

Manufacturing and finishing

CapabilityBaria-Alkali-Silica Glass (IEC G-600)Gorilla Glass
Default condition—Chem Strengthened
Relative cost$$$ Premium$$ Standard
Min. machined wall——
Best machined surface——

Baria-Alkali-Silica Glass (IEC G-600) vs Gorilla Glass — frequently asked

Is Gorilla Glass stronger than Baria-Alkali-Silica Glass (IEC G-600)?

Yes. Gorilla Glass has a typical tensile strength of 350 MPa (50.8 ksi) against 45 MPa (6.53 ksi) for Baria-Alkali-Silica Glass (IEC G-600) — about 7.8 times as much.

Which is cheaper, Baria-Alkali-Silica Glass (IEC G-600) or Gorilla Glass?

Gorilla Glass is the lower-cost material: it sits in the standard tier ($$) while Baria-Alkali-Silica Glass (IEC G-600) is premium ($$$). Part price depends far more on geometry, tolerance and quantity than on raw stock — upload a CAD file for a live quote.

When should I choose Baria-Alkali-Silica Glass (IEC G-600) over Gorilla Glass?

Pick Baria-Alkali-Silica Glass (IEC G-600) when the part sees heat. Pick Gorilla Glass when strength drives the design, or when surface hardness matters.

Ready to make it?

Upload a CAD file and FabDigit prices the part in Baria-Alkali-Silica Glass (IEC G-600) and Gorilla Glass side by side — material, machining time, tolerance and finish in one quote. Certified material data ships with the order on request.

Typical handbook values for the conditions named above, normalised for comparison. Hardness on non-Brinell scales is converted approximately for charting only. Request certified data with your order for design-critical properties.