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Compressed sheets, non-asbestos sheet gasket material produtcs
 

3R 865
ARAMID FIBERS / NBR BINDER

ISO 9001 : 2000 Certified
 

The 3R 865 is a compressed sheet (non-asbestos) gasket materiel produced from a combination of aramid and other synthetic fibers and bonded with nitrile rubber (NBR). The 3R 865 is a very good material for high temperature seal, that has numerous applications in the process industries and in the water and wastewater industry. This compressed sheet  is also commonly used in equipment such as valves and pumps.
 
Applications //

The 3R 865 is suitable for service handling the following general media categories:
 
- Mild inorganic acids - Mild organic acids - Concentrated alkalis
- Diluted alkalis - Water - Brine
- Aliphatic solvents - Industrial gases - Animal oils
- Synthetic oils - Vegetable oils - Petroleum and Derivatives
- General chemicals - Aromatic solvents - Air
- Oxygenated solvents - Neutral solutions - Refrigerants


Technical data //
 
Temperature limits Maximum
Continuous Max		 750°F (400°C)
460°F (240°C)
Pressure limits (vacuum) Maximum
Continuous Max 		1595 psi (110 bar)
725 psi (50 bar)
ASTM Line Call Out F104 F712120E2M5  
Color Green  
Available sheet size Thickness
Sheet size		 1/64" to 1/8"
59" x 63", 59" x 126", 118" x 126"

 
ASTM Test Method Property Value
- Density 109 lb/ft3 (1.75 gm/cc)
F36 Compressibility 7-17%
F36 Recovery min 45%
F38 Tensile Strength across grain 1670 psi (11.5 N/mm2)
F495 Ignition Loss max 34%
F146 Thickness Increase After 5 Hour Immersion
- ASTM IRM 903 @ 300°F (150°C)
- ASTM Fuel B @ 77°F (25°C)
max 12%
max 10%
F146 Weight Increase After 5 Hour Immersion
- ASTM IRM 903 @ 300°F (150°C)
- ASTM Fuel B @ 77°F (25°C)
max 15%
max 15%
F38 Creep relaxation 25%
  Torque retention (DIN 52913) 28 N/mm2
F37 Sealability at 1000 psi 0.25 ml/h



The P x T graph shown above indicates the service limits for this sheet considering pressure and temperature simultaneously...(Tests were performed with nitrogen on 1.6mm thick sheet). The "normal" curve represents the common usage area for this sheet while the "maximum" curve indicates the maximum limits. For applications near or above the "maximum" curve, contact Industries 3R inc.
94-07/rev.3

N.B. The information, details, dimensions and values indicated are to our best knowledge. We recommend testing according to local conditions. The specifications are subject to change without notice.
 
55, Route 116 West, Danville (Quebec) J0A 1A0 Tel.: (819) 839-2793
Fax: (819) 839-2797 • www.industries3r.com



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