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3R 887
HOMOGENEOUS FLEXIBLE
GRAPHITE SHEET

ISO 9001 : 2000 Certified
The 3R 887 flexible graphite sheet is made from exfoliated graphite flake which is compressed into foil by a carefully controlled calendering process. In this process, the expanded flake particles are mechanically locked together without the use of fibers, binders or other additives. Sheets of foil are then adhesive bonded and laminated to the required thickness.

Applications //

The 3R 887 flexible graphite sheet has pressure-temperature sealability capabilities that are far superior to all asbestos reinforced and non-asbestos reinforced sheet products. It is resistant to chemical attack by virtually all organic and inorganic fluids with the exception of concentrated, highly oxidizing acids.

Gaskets cut from 3R 887 flexible graphite sheet seal with low to moderate bolt loads and because of very low creep relaxation, re-torquing is rarely required. Flexible graphite conforms to irregular flange sealing surfaces and readily flows into flange irregularities enabling it to seal both smooth and coarse surface finishes.

Service limits //


Type	Description	Value
Temperature Limits:	Minimum Maximum - In air - In steam - In reducing or inert media	-328°F (-200°C) 840°F (450°C) 1200°F (650°C) 5400°F (3000°C)
Pressure Limits:		2000 psi (140 bar)
Physical Properties:	Compressibility Recovery Creep Relaxation Tensile Strength Compressive Strength Density	45% (Tested under 5000 psi) 20% (Tested under 5000 psi) 5% 650 psi 35, 000 psi 62.4 lbs/ft³
Chemical Composition:	Carbon Content Total sulfur Leachable calories	98% minimum 1200 ppm maximum 50 ppm maximum
Available Sheet Sizes:	Thickness Sheet Sizes	1/64", 1/32", 1/16", 1/8" 39.4" x 39.4", 60" x 60"

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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Industries 3R

3R 887 HOMOGENEOUS FLEXIBLE GRAPHITE SHEET

3R 887
HOMOGENEOUS FLEXIBLE
GRAPHITE SHEET