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.

Tech Sheet

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Industries	Chemical Processing , Food & Beverage , Mining , OEM Services , Primary Metals , Rail Tank Car , Water & Wastewater

Category: CNA Sheet Gaskets , Rail Tank Car Gaskets

Our workhorse material, Durlon® 8500 is excellent in steam, natural gas, soybean processing and with new generation refrigerants. A high quality general service gasket material for use in a wide range of services in pulp and paper, food, beverage, pharmaceutical, chemical, refinery, gas pipeline and general industry. Durlon® 8500 exhibits good compressibility and recovery, excellent sealability, flexibility and cutting characteristics.

Color	Green
Fiber System	Aramid/Inorganic
Binder	NBR
Temp. Min. Temp. Max. Continuous, Max	-40°C (-40°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)

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
ABS	Tier 2, PDA Issued

	1/16”	1/8”
m	2.7	4.2
Y psi (MPa)	2,359 (16.3)	2,931 (20.2)
G_b psi (MPa)	650 (4.5)	400 (2.8)
a	0.33	0.35
G_s psi (MPa)	200 (1.4)	20 (0.1)

Durlon® 8500

United States

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