Find suitable materials

Technical Questionnaire

Data Sheet Warranty Limitations

DON 2.0
The computer software to help you choose the appropriate sealing quality

TESNIT® Compressed Gasket Materials - Standard Line

BAR-300

Gasket material with excellent dynamic and thermal properties.

TESNIT® BAR-300 is a specially designed gasket material composed of inorganic fibres, NBR nitrile rubber and extremely strong wire mesh. Material has extreme dynamic and thermal resistance and find application in automotive, petrochemical industry and shipyards. Material is approved by Germanischer Lloyd. Many final application includes the incorporation of inner metal ring, which also increase the final application paramethers.


Download PDF

  • Properties and application
  • Dimensions
  • Technical data

Properties and application

Special gasket material for extreme dynamic conditions in automotive industry, petrochemical industry and shipyards.

Basis

Mineral fibres, NBR, wire reinforcement

Approvals

Germanischer Lloyd, CRS

 

Surface treatment

Treatment with graphite, PTFE and antistick coating is available on request.

Dimensions of standard sheet

Sheet size

mm

1000x1400, 500x1400

Thickness

mm

0.6, 0.7, 1.2, 1.4, 1.6,

 

other dimensions and thicknesses on request

Technical data

Typical values for a thickness of 2 mm

Compressibility

ASTM F/36/J

%

8

Recovery

ASTM F/36/J

%

40

Tensile strength

DIN 52910

N/mm2

Stress resistance

DIN 52913

16h, 300°C, 50N/mm2

N/mm2

40

16h, 175°C, 50N/mm2

N/mm2

Specific Leak Rate

DIN 3535/6

mg/sm

Thickness increase

ASTM F 146

Oil IRM 903, 5h, 150°C

%

5

ASTM Fuel B, 5h, 23°C

%

HNO3 40%, 18h 23°C

%

H2SO4 65%, 48h, 23°C

%

Max. operating conditions

Peak temperature

°C/F

550/1022

Continuous temperature

°C/F

450/842

- with steam

°C/F

 

 

P-T diagram

  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  

Legend

totally satisfactory doubtful totally unsatisfactory no data - please contact our Technical service