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O-Ring is made of silicone for use with a variety of chemicals and fluids
O-Ring can be used across a wide temperature range from -65 degrees F (-54 degrees C) to 450 degrees F (232 degrees C)
Round in cross-section to provide a seal between cylindrical overlapping surfaces
Durometer (hardness) of 70A for resistance to penetration
Meets standards defined by Aerospace Standard AS568A
DERNORD silicone O-ring is red in color, round in shape, has a durometer of 7OA, and is designed for use in a wide variety of sealing applications.
Silicone is acceptable for temperature applications between -65 degrees F (-54 degrees C) to 450 degrees F (232 degrees C). It has good resistance to ozone, weather, detergent, salt water, engine and transmission oil, non-petroleum brake fluid, hydraulic fluids that resist fire, vegetable and animal oils, and high molecular weight chlorinated aromatic hydrocarbons. Silicone is vulnerable to mechanical wear and tear, water and steam over 250 degrees F (121 degrees C), aromatic hydrocarbons (benzene), chlorinated hydrocarbons (trichloroethylene), acids and bases, and hydrocarbon fuels.
O-rings commonly provide a pressure and fluid seal between cylindrically shaped, overlapping mating surfaces and are commonly seen in engines, faucets, flanges, valves, and various cylinders. They are circular in shape, with a round cross section and a hole in the center, similar to a doughnut. O-rings are available in a number of sizes, and can be ordered based on required nominal inside diameter (ID), outer diameter (OD), and cross-sectional (CS) diameter.
This silicone O-ring has a shore durometer of 70A. Shore durometer is the hardness of a material, and its resistance to permanent indentation. A higher durometer value indicates greater resistance to indentation on a scale of 0 to 100, with 100 indicating no indentation.
This silicone O-ring meets standards defined by Aerospace Standard AS568A, which is the Aerospace Size Standard for O-rings.
IMPORTANT UPDATE: Per State Mandate, Masks are now REQUIRED regardless of immunization status as we are a State facility. This includes all areas of the Lodge, Cafe, Main Dining Doom, Back Door Lounge, Visitor’s Center and Trailheads Concessions.
Starved Rock Lodge
& Conference Center
Starved Rock State Park and Lodge is located less than two hours from Chicago. Relax in the comfort of our historic lodge accommodations, charming log cabins and spacious hotel rooms set among the pines, canyons and waterfalls of the park. Listed on the National Register of Historic Places, this authentic log-built lodge exudes a mix of rustic luxury, Midwestern hospitality and comfortable amenities. Our inviting accommodations, delicious restaurants and unlimited outdoor adventure are waiting for you.
Starved Rock Lodge gift cards are perfect for anyone on your list. They can be used toward overnight stays, dining, activities and shopping! Now available in e-gift cards and physical gift cards. Please call the Front Desk at (815) 667-4211 or click the button below. (Select merchandise available for purchase and shipment. Please contact the Gift Shop at 815-220-7320).
In order to serve our guests better, Starved Rock Lodge not only updated our Guest Book… we made it digital! You may find the Digital Guest Book located at the top and bottom of the homepage of our website. We also created QR codes and placed them on the sleeves for guest hotel room cards…
Starved Rock Lodge is the only lodging facility in beautiful Starved Rock State Park. We’re centrally located Northern Illinois less than 100 miles from Chicago, Bloomington, the Quad Cities and Rockford.
The state of Illinois opened Starved Rock State Park to the public in 1911. In 1933, construction began on Starved Rock Lodge and 16 cabins by the Civilian Conservation Corps. Designed by Joseph F. Booten, the Lodge property was added to the National Register of Historic Places in May of 1985. The centerpiece of the Lodge is the Great Hall with its massive, two-sided limestone block fireplace which is the largest in Illinois. The meticulously preserved exterior of the Lodge is constructed of Joliet limestone, unhewn logs, clapboard and wood shingles. The same unhewn logs make up the construction of the 16 cabins set amongst the woods of the property. Despite changes to the property through modernization, the Lodge and cabins still retain the charm and beauty its architect intended.
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