Gel-filled Fire-Resistant Glass

Gel-filled fire-rated glass is a specialized fire-resistant glazing composed of two glass sheets, with edges sealed and bonded using glass spacers or similar intermediate strips. The cavity between the panes is filled with an acrylamide-based fire-resistant gel, which cures to form a transparent, gel-like interlayer fully bonded to the glass, achieving the required fire-resistance rating.

Product Structure

Double-glass configuration only.

Thickness:16-60mm

Key Features

High Thermal Insulation: The acrylamide gel expands under high temperatures, forming a dense thermal barrier that effectively blocks flames and heat transfer.

Excellent Light Transmittance: Once cured, the gel remains highly transparent, allowing natural light and clear sightlines, keeping interiors bright.

Enhanced Safety: Even if the glass breaks, the gel interlayer maintains structural integrity, reducing the risk of injury from flying fragments.

Applications

  • Fire-rated doors and windows
  • Interior fire-resistant partitions
  • Small-scale curtain walls

Acoustic Parameters

Thickness
(mm)
Fire Performance Rating Fire Resistance Rating(min) Weight
(kg/m²)
Exposed Surface Temperature
(℃)
Unexposed Surface Temperature Acoustic Performance
60 EI 180 80 1113 ≤129 50dB
45 EI 120 75 1100 ≤140 50dB
36 EI 90 55 1060 ≤140 45dB
30 EI 90 50 1017 ≤140 40dB
26 EI 60 45 940 ≤140  40dB
20 EI 30 30 920 ≤140 35dB

 

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