Durlon 5300 Mineral/NBR

Durlon 5300 is a good quality commercial grade compressed non-asbestos sheet for moderate service conditions. Durlon® 5300 is suitable for steam, oil, water, mild alkalis, mild acids, hydrocarbons and solvents. Durlon® 533 has the ABS Product Design Assessment (PDA) Certificate 14-HS1146798-PDA for intended service in marine and offshore applications.

  • Mineral Fiber with NBR Rubber Binder
  • Compressed Asbestos Free Gasket Material
  • ASTM F104: F713110-A9B4E12K5L051M5
Gasket Factors 1/16″ 1/8″
m 1.5 2.5
Y, psi (MPa) 1,855 (12.8) 2,619 (18.1)
Gb, psi (MPa) 474 (3.3) 902 (6.2)
a 0.256 0.253
Gs, psi (MPa) 48 (0.3) 4 (0.03)

Anti-Stick Properties:

Much effort has gone into improving the anti-stick release agents of all compressed Durlon® products. All Durlon® compressed gasket materials have passed the MIL-G- 24696B Navy Adhesion Test (366°F/48hrs).

Colour Rust
Fiber System Mineral
Binder NBR
Continuous, Max
-73°C (-100°F)
288°C (550°F)
232°C (450°F)
Pressure, Max, bar (psi) 69 (1,000)
Density, g/cc (lbs/ft³) 1.7 (106)
Compressibility, % ASTM F36 7-17
Recovery, % ASTM F36 40
Creep Relaxation, % ASTM F38 25
Tensile Strength, across grain ASTM F152, MPa (psi) 10.3 (1,500)
Fluid Resistance, ASTM F146
IRM 903 Oil 5hrs at 300°F
Thickness Increase, % 5
Weight Increase, % 15
ASTM Fuel B 5hrs at 70°F
Thickness Increase, % 5
Weight Increase, % 15
Sealability, cc/min ASTM F2378 (Nitrogen) 0.1
Flexibility ASTM F147 10x

Note: ASTM properties are based on 1/16” sheet thickness, except ASTM F38 which is based on 1/32” sheet thickness. This is a general guide only and should not be the sole means of accepting or rejecting this material. The data listed here falls within the normal range of product properties, but should not be used to establish specifications limits nor used alone as the basis of design. For applications above Class 300, contact our technical department.

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