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3R 818
DIAPHRAGM SHEET

ISO 9001 : 2000 Certified
3R 818 combines the oil and ozone resistance with the extra strength given from the synthetic fabric to provide suitable gaskets on control valves and regulators. It is also commonly used as cold barriers. The fabric reinforcement inserted into high quality neoprene offers exceptional tensile strength.

Technical data //


Polymer Type	Neoprene diaphragm CR/SBR
Color	Black
Hardness (Shore A) ±5	70
Temperature Limit, °C	-30 to 135
Tensile Strength, lbs/in²	1400
Elongation minimum, %	230
Tear, lbs/in	140
Compression Set	Fair
Abrasion Resistance	Good
Tear Resistance	Good
Ozone Resistance	Good
Impermeability to Gases	Good
Resistance to Diluted Acid	Good
Resistance to aromatic hydro-carbons	Good
Heat Aging	Good

06-08/rev.0

	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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