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Application
Durlon® 8300 is premium grade compressed non asbestos sheet gasket material, excellent in steam and hydrocarbon services in the refining, petrochemical and power generation industries. Other applications include oil, water, mild alkalis, mild acids, and solvents.
Composition
Durlon® 8300 contains high-strength carbon fibers bonded with nitrile (NBR) synthetic rubber. A release agent on both sides provides good anti-stick properties.
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/48 hrs).
Typical Properties
Thickness | 1/16" |
---|---|
Color: | Black Branded |
Fiber: | Carbon |
Binder: | Nitrile (NBR) |
Fluid Service: | Saturated Steam, Oils, Dilute Acides & Alkalis, Hydrocarbons, Solvents |
Temperature Min: Max: Max,continuous: |
-100°F (-73°C) 900°F (482°C) 650°F (343°C) |
Pressure: max, bar (psi) | 139 (2,000) |
Density: g/cc (lbs/ft3) | 1.6 (100) |
Compressibility, ASTM F36: | 8 to 16% |
Recovery ASTM F36: | 50% |
Creep Relaxation: | 18% |
Tensile Strength, ASTM F152: | 1,800 psi (12.4 MPa) |
Fluid Resistance - ASTM F146 IRM 903 oil, 5 h/300°F (149°C) Thickness Increase: Weight Increase: ASTM Fuel B 5 h/70°F (21°C) Thickness Increase: Weight Increase: |
0-10 100-10% 12% |
Sealability: ASTM F37 (Fuel A), ml/hr ASTM F37 (Nitrogen, ml/hr ASTM F 2378 (Nitrogen), cc/min |
0.03 0.5 0.05 |
Volume Resistivity, Ohm-cm ASTM D257 |
5 x 109 |
Dielectric Breakdown, kV/mm ASTM D149 |
0.04 (1) |
Flexibility, ASTM F147: | 10x |
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. |
M&Y and Proposed ASTM Gasket Constants
Thickness | 1/16" | 1/8" |
---|---|---|
M | 3.7 | 3.0 |
Y psi (MPa) | 3,515 (24.2) | 4014 (27.7) |
Gasket Constants | ||
Gb psi (MPa) | 512 (2.5) | 1716 (11.8) |
a | 0.36 | 0.209 |
Gs psi (MPa) | 0.13 (0.09) | 0.70 (0.48) |
*Gasket Constants based on proposed ASTM Draft 10.01 |
Available Sheet Sizes
Nominal Thickness | Sheet Sizes | Order Code | Sheets per Roll | Weight / Sheet lbs (kg) | |
---|---|---|---|---|---|
1/64" (0.5 mm) | 60 x 63 60 x 126 |
1524 x 1600 1254 x 3200 |
DC05-060-063 DC05-060-126 |
20 10 |
5 (2.3) 9 (4.1) |
1/32" (0.8 mm) | 60 x 63 60 x 126 |
1524 x 1600 1254 x 3200 |
DC08-060-063 DC08-060-126 |
20 10 |
7 (3.2) 14 (6.4) |
1.0 mm | 60 x 63 60 x 126 120 x 126 |
1524 x 1600 1254 x 3200 3048 x 3200 |
DC10-060-063 DC10-060-126 DC10-060-126 |
20 10 2 |
9 (4.1) 18 (8.2) 36 (16.3) |
1/16" (1.5 mm) | 60 x 63 60 x 126 120 x 126 |
1524 x 1600 1254 x 3200 3048 x 3200 |
DC15-060-063 DC15-060-126 DC15-060-126 |
10 5 2 |
14 (6.4) 27 (12.2) 54 (24.5) |
2.0 mm | 60 x 63 60 x 126 120 x 126 |
1524 x 1600 1254 x 3200 3048 x 3200 |
DC20-060-063 DC20-060-126 DC20-060-126 |
10 5 2 |
18 (8.2) 36 (16.3) 72 (32.7) |
3/32" (2.5 mm) | 60 x 63 60 x 126 |
1524 x 1600 1254 x 3200 |
DC25-060-063 DC25-060-126 |
8 4 |
23 (10.4) 45 (20.4) |
1/8" (3.0 mm) | 60 x 63 60 x 126 120 x 126 |
1524 x 1600 1254 x 3200 3048 x 3200 |
DC30-060-063 DC30-060-126 DC30-060-126 |
8 4 1 |
27 (12.2) 54 (24.5) 108 (49.00) |
Note: Please inquire about availability of 4.0mm and 5.0mm thicknesses and other sizes not listed.
Warning: Durlon gasket materials should never be recommended when both the temperature and the pressure are at the maximums listed. Properties and applications shown are typical. No application should be undertaken by anyone without independent study and evaluation for suitability. Never use more than one gasket in one flange joint, and never reuse a gasket. Improper use or gasket selection could cause property damage and/or serious personal injury. The data reported is a compilation of field testing, field service reports and/or in-house testing. While the utmost care has gone into publishing the information contained herein, we assume no responsibility for errors. The information and specifications contained in this website are subject to change without notice. This revision cancels and obsoletes all previous editions. |
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