Industrial Insulation Millboard (Asbestos)

INSEALIndustrial Insulation millboards are made from a mix of high quality Chrysotile Asbestos fibre and other non-combustible ingredients. It is compactly bound with a strong smooth surface. Insulation millboards are available with a high range of thickness to suit your needs.

Asbestos Insulation Millboards are available in different grades. Please refer below for specifications

Grades Commercial General Purpose General Superior
(Automobile Gaskets, Padding, etc)
AI Grade (Single Lamination Millboard made on a new Fourdriner Machine) Superior Grade and Paper (Made from superior grades of asbestos fibre)
Available thickness (mm) 1.5 – 25.0 1.5 – 25.0 0.75 -12.5 1.0-2.0 0.25 – 2.0
Nominal density (gms/ cc) 1.15 1.15 1.10 1.08 1.08
Tensile Strength (min.)
   a. Along grain (kg/cm2)
   b. Across grain (kg/cm2)
 
   24
   10
 
   28
   12
 
   40
   18
 
   36
   18
 
   45
   28
Loss on ignition at 800oC (max.) 15% 12% 15% 15% 20%
Thermal Conductivity @ 150oC mean Temp. ( W/moC ) 0.118 0.116 0.110 0.116 0.110
Moisture Content (max.) 2% 2% 2% 2% 2%
Electric Strength(Proof)in air @ 90oC ( kV/mm ) 1.5 1.5 1.5 1.5 2
Temperature Resistance 500oC or higher if suitably supported