Sealing & Jointing

Neoprene Rubber Bonded Cork (ref 2015)

This is a firm neoprene material suitable for high/medium bolt pressure, with good flexibility and resilience. The pysical characteristics along with good fuel, solvent and oil resistance, makes this a high qualified material for industrial and transformer gaskets

Key Features:

  • Suitable for high/medium pressure
  • Good flexibility
  • Good fuel, solvent and Oil resistance

Technical Specification:

Material Description
Cork granule size (mm) 0.51/1
Colour Natural
Binder Neoprene Rubber
Physical Characteristics
Density 0.75-0.9 
Hardness Shore A 70-80
Compressibility, 400 Psi (%) 20-30
Recovery (%) >80
Tensile Strength (kg/cm) 
    -Transversal direction
    -Longitudinal direction
 
>15
>25
Flexibility
Original F=5 No cracks
ASTM No 1 Oil, 70 Hrs at 100c (F16) No cracks
Oven aged, 70 Hrs at 100c (F16) No cracks
Volume change after Immersion
ASTM No 1 Oil 70 Hrs at 100c (%) -10 to + 10
ASTM No 3 Oil 70 Hrs at 100c (%) -5 to + 15
ASTM Fuel A, 22 Hrs at 23c (%) -2 to + 10
Specification according to ASTM F 104-93
Temperature Range  

 

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