Glazed building facade

GLASS

Heat-Strengthened Glass

Heat-treated glass with larger breakage fragments than tempered glass; laminate where fragment retention is required.

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Product Specification

Strength vs annealedApprox. 2×
Surface compressive stress24–69 MPa
Thermal difference statedApprox. 75–100°C
Product standardGB/T 17841-2008

KEY FEATURES

Key Features

  • Less roller wave than tempered glass
  • Reduces spontaneous nickel-sulphide breakage
  • Counts as safety glass only when laminated
  • Designed around the application

    Façade and curtain wall

Structure & material selection

Heat-strengthened glass pane with large breakage fragments in a tray

Material sample

State the required standard and strength values, with test documentation for the selected build-up.

Before fabrication

Confirm standard and values
State the required standard and strength values, with test documentation for the selected build-up.

Check assembly safety
Glass type alone does not define breakage or fall-out safety; review interlayer, frame, and fixings.

APPLICATIONS

Applications

Typical settings to consider for your project.

Façade and curtain wall

Façade and curtain wall

Spandrel glazing

Spandrel glazing

Work requiring a flat reflection

Work requiring a flat reflection

NESTA

Discuss your project with NESTA

Share your drawings or project requirements to review materials and systems.

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