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1401 Millboard

1401 Millboard

1/4" x 55" x 55" #1401 Ceramic Millboard (6 Sht/Ctn) 1401 Millboard
Product Code: SGI-310-4035

1401 Millboard is a high temperature material for use in gasketing, insulation, personal protection, heat and flame barriers, dryers, parting media and expansion joints. It is intended for use in applications with maximum continuous operating temperatures up to 2300oF (1260oC) and it resists melting up to 3200oF (1760oC).

 Typical Properties   Chemical Analysis, 
By Weight
Property  Value Method  
 Density  0.56 g/cc (35 lb/cu.ft)  ASTM F 1315    Silicone Oxide  51.25%
 Compressibility  20% (at 12 MPa)  ASTM F 36    Aluminum Oxide  43.50%
 Tensile Strength, MD  5.17 MPa (750 psi)  ASTM F 152    Other Oxides  5.25 %
 Tensile Strength, AMD  2.07 MPa (300 psi)  ASTM F 152      
 Thermal Conductivity
 0.09 W/m.K (at 260oC)
 0.11 W/m.K (at 430oC)
 0.15 W/m.K (at 700oC)
 0.19 W/m.K (at 870oC)
  ASTM F 433      
 Weight Loss on Ignition  8% (at 538oC)  ASTM F 495      

Technical Data Sheet

1401 Millboard.pdf