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Isoboard
   
 

Isoboard

Description
IsoBoard extruded polystyrene rigid foam thermal insulation, has closed cells with common sides and is produced on a continuous, fully automated extrusion process, in accordance with international and South African specifications and standards.

Features & Benefits

  • High resistance to heat flow i.e. low thermal conductivity.
  • Resistance to water vapour diffusion and water absorption.
  • Uniform density distribution.
  • Very high compressive strength.
  • Ageing resistance.
  • Resistance to bacteria and Micro-organism growth.

 

Physical Properties

  Standard Conditions IsoBoard
       
Density (2) ISO 845; 1988 FDIS4898 34-36kg m3(± 10%)
Compressive Strength (5) ISO 844; 1978 10% Strain 160-310 kpa
Water Vapour Permeability (2) ISO 1663; 1981 38∞C / 88%RH 0.78 ng/Pa.s.m
Water Absorbtion ISO 2896; 1997 24 hr @ 50 mm 0.20% by volume
Coefficient of Linear (2)
Thermal Expansion
ISO 4897; 1985 -10 -> 60∞C 0.067mm per m
Dimensional Stability EN1604 -10 -> 60∞C < 1.0%
Thermal Conductivity (3)
(Average of two tests)
ISO 8302; 1991 (F) 20∞C mean temp.
Dry and 90 day aged 0.024 W/m∞C
 
Long Term
Thermal conductivity
  Five year aged 0.028 W/m∞C
Recommended design value   90% RH 0.030 W/m∞C
           
South African flag Tiasa - The Thermal Insulation Association of Southern Africa
BuildingTek -
Alucushion -
CSIR
Alucushion Thermal Insulation (PTY) Ltd
 
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