Durlon® 8500
A high-performance compressed gasket material for use in process industries including pulp & paper, food & beverage, pharmaceutical, hydrocarbon, chemical, refinery, and general industry. Durlon® 8500 is suitable for oils, water, steam, new generation refrigerants, dilute acids and alkalis, and many other liquids and gases. Passed API 6FB Fire Test and conforms to FDA in 21 CFR 177.2600
BENEFIT: Durlon® 8500 has a strong dielectric rating, making it ideal for isolation kit applications where compressed fiber sheet gaskets can be utilized.
Industries | Chemical Processing, Food & Beverage, General Industry, Heavy Industrial, Mining, OEM Services, Petrochemical, Refining, Water & Wastewater |
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Color | Green |
Fiber System | Aramid/Inorganic |
Binder | NBR |
Temp. Min. Temp. Max. Continuous, Max |
-73°C (-100°F) 371°C (700°F) 287°C (548°F) |
Pressure, max, bar (psi) | 103 (1,500) |
Density, g/cc (lbs/ft3) | 1.7 (106) |
Compressibility, % | 8-16 |
Recovery, % | 50 |
Creep Relaxation, % | 20 |
Tensile Strength, MPa (psi) | 13.8 (2,000) |
Sealability ASTM 2378 (Nitrogen) |
0.03 cc/min |
Fluid Resistance, ASTM F146 IRM 903 Oil 5hrs at 300°F Thickness Increase, % Weight Increase, % |
0-15 15 |
Fluid Resistance, ASTM Fuel B 5hrs at 70°F Thickness Increase, % Weight Increase, % |
0-10 10 |
Flexibility, ASTM F147 | 10x |
Volume Resistivity, ohm-cm ASTM D257 | 4.2 x 1013 |
Dielectric Breakdown, ASTM D149, kV/mm (V/mil) | 11.7 (297) |
Note: ASTM properties 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 specification limits nor used alone as the basis of design.
*For applications above Class 300, consult your representative.
California Proposition 65 | Compliant |
RoHS Reach Declaration | Compliant |
API 6FB Fire Test | with avg. temp >650°C, 30 mins, 40 bar, 1 ml (inch/min.) max allowable leakage |
FDA | Conforms to the requirements of 21 CFR 177.2600 |
1/16” | 1/8” | |
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m | 2.7 | 4.2 |
Y psi (MPa) | 2,359 (16.3) | 2,931 (20.2) |
Gb psi (MPa) | 650 (4.5) | 400 (2.8) |
a | 0.33 | 0.35 |
Gs psi (MPa) | 200 (1.4) | 20 (0.1) |