High Temperature Insulation

10G41 Grade Tufnol

Similar to 10G/40, but with controlled flammability.

Type  Sheets  Rods  Tubes  Other sections 
Grade 10G/41-Natural colour Yes  No  No  No

 Specifications:

Sheet  BS EN 60893-3-2 Type EP GC 202 

Technical Specification:

Property  Unit  Result 
Cross Breaking Strength  MPa  470
Impact Strength - notched - charpy  kJ/m²  60 
Compressive Strength - flatwise  MPa  415
Compressive Strength - edgewise  MPa  300 
Shear Strength - flatwise  MPa  -
Water Absorption - 1.6mm thick mg 5
Water Absorption - 3mm thick mg 7
Water Absorption - 6mm thick mg 10
Water Absorption - 12mm thick mg 15
Electric Strength flatwise in oil at 90ºC - 1.6mm thick MV/m 17
Electric Strength flatwise in oil at 90ºC - 3mm thick MV/m 15
Electric Strength flatwise in oil at 90ºC - 6mm thick MV/m 12
Electric Strength edgewise in oil at 90ºC KV 75
Insulation resistance after immersion in water ohms 5x1010
Loss tangent at 1 MHz   0.017
Permittivity at 1 MHz   4.9
Comparitive Tracking Index   260
Relative Density   1.95
Maximum Working Temperature - Continuous ºC 130
Maximum Working Temperature - Intermittent ºC 150
Thermal Classification   Class B
Thermal Conductivity through Laminae W/(mK) 0.42
Thermal Expansion in plane of Laminae X 10-5 / K 1.0
 

 

 

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