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Glazed Iso Balls (GIB)

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GIB is a light weight material produced by special process. The material is in the form of glass like bubbles. These are closed cell particles with high mechanical strength, very low water absorption & very high fire resistance characteristic. GIB being chemically inert has excellent heat & acoustic insulation characteristics & once mixed with cement, very high thermal resistance value can be achieved.


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Glazed Iso Balls are widely used in Building Construction Industry as a lightweight aggregate, when combined with Portland cement and water it produces ultra-lightweight concrete. GIB is a very unique insulating material, especially when studied in comparison with other conventional insulating materials having RValue 2.78.

GIB can also be used in other areas where making a product lighter will be beneficial & a variety of permanent insulating applications.

Popular applications of GIB:-

  • Insulating roof decks
  • Lightweight floor fills/screeds
  • Insulating structural roof decks
  • Curtain wall systems
  • Lightweight pre-cast panels for partitions
  • Lightweight insulating blocks
  • Roof / Ceiling tiles
  • Hollow / Cavity walls

Glazed Iso Balls Concrete insulation is the ideal base for the built-up and single-ply roofing systems.

Perlcon GIB: Physical Properties
Colour White
Refractive Index 1.5
Free Moisture, Max. 0.5%
pH 6.5-7.5
Specific Gravity 0.32
Bulk Density 100-250 kg/m3
Grain Size 0-2 mm
Softening Point 871-1093 °C
Fusion Point 1260-1343 °C
Specific Heat 837 J/ kg k
Thermal Conductivity at (24° C) 0.04 -0.06 W/mk

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