Sealing & Jointing

Novus Uniflon 51

Novus 51 gasket material

General purpose PTFE sheet sealing material with a silica filler.  Suitable for sealing applications across the whole PH range.  It is particularly suitable for use with strong acids (except hydrofluoric acid) and alkalis.  Other applications include solvents, fuels, water, stream and chlorine. 

Key features:

  • Conforms with FDA21 CFR 177.1550 regulations
  • Excellent chemical resistance 
  • Very low gas permeability
  • Improved creep properties when compared to conventional PTFE gasketing

Max temperature: +260ºC.

Availability

Sheet size (mm):  1000 x 1000, 1500 x 1000, 2000 x 1000, 1500 x 1500, 2000 x 1500, 2000 x 2000 
Thickness (mm): 0.75 up to 3 

Cut pieces available upon request

Technical information:

Typical values

Thickness (mm): 1.5
Density: 2.2g/cc
Tensile strength: ASTM F152 15MPa
Compression: ASTM F36 7%
Recovery: ASTM F36 40%
Residual stress: BS7531 (175ºC) 32MPa
Creep relaxation: ASTM F38 23%
Gas permeability DIN 3535 <0.01cc/min
Liquid leakage ASTM F37 0.21ml/hr

 

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