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Engineered Solutions to Sealing Problems

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Polymers


EPICHLOROHYDRIN (ECO / CO)

ECO's are noted for their superior gas impermeability and physical properties over a wide temperature range (-51 to 150ºC/-60 to 300ºF) while maintaining excellent resistance to petroleum oils. Ozone, oxidation, weathering, and sunlight resistances are other typical ECO/CO qualities.

Compound 571P

(Blue Bubble)  Excellent general purpose physical characteristics
(Blue Bubble)  Good impermeability to air and nitrogen
(Blue Bubble)  Good petroleum oil resistance

Compound 57IJ

(Blue Bubble)  Excellent impermeability to air and nitrogen
(Blue Bubble)  Low temperature properties to -23ºC/-1OºF
(Blue Bubble)  Good high temperature resistance
(Blue Bubble)  Very suitable for petroleum oil and weather environments

Tensile

Oil Aging
Volume
Swell

(Change %)
70hr at
23ºC/74ºF

Fuel Aging
Volume Swell (Change%) 70 hr at 23ºC/74ºF

Compound

MPa

psi

Elongation
(%)

Hardness
Shore A

ASTM
#1

ASTM
#2

Ref fuel B

571J

13.1

1900

500

70

+1

+19

+23

571P

11.0

1600

260

70

-8

+4

+15

Note: Data provided in tables are typical values. Please consult a Seal Company Representative for specific applications.

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