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This O-Ring set is made of Red Silicone, has a durometer of 70A, and includes 382 pieces covering 30 dash sizes. The rings have a Round cross-section and can be used across a wide temperature range from -76 degrees F (-60 degrees C) to 437 degrees F (225 degrees C). The rings come in a plastic storage case designed for organization and portability. Designed for use in a variety of sealing applications, this Silicone O-Ring set meets standards defined by Aerospace Standard AS568A for quality assurance.
The set includes the following O-Rings: 20 pieces each for dash sizes 006, 007, 008, 009, 010, 011, and 012; 13 pieces each for dash sizes 110, 111, 112, 113, 114, 115, and 116; 10 pieces each for dash sizes 210, 211, 212, 213, 214, 215, 216, 217, 218, 219, 220, 221, and 222; 7 pieces each for dash sizes 325, 326, and 327.
Silicone 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.
The durometer hardness of this Silicone O-Ring is 70A. Durometers measure 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, a value of 0 indicates that a sample was completely penetrated, while a value of 100 shows no indentation in the sample. The letter following the number identifies the shore scale, which is either shore A or D. Shore A is used for rubber, while shore D is used for harder plastics.
O-rings 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 various AS568A dash sizes as well as Metric sizes. O-ring size is defined by the inside diameter (ID), outisde diameter (OD), and cross-sectional (CS) diameter.
What's in the box?
- 20 pieces each for dash sizes 006, 007, 008, 009, 010, 011, and 012
- 13 pieces each for dash sizes 110, 111, 112, 113, 114, 115, and 116
- 10 pieces each for dash sizes 210, 211, 212, 213, 214, 215, 216, 217, 218, 219, 220, 221, and 222
- 7 pieces each for dash sizes 325, 326, and 327
- plastic storage case with label to identify sizes
Rob L.
Reviewed in the United States on July 23, 2024
Bought this for an espresso machine restoration, I've used several of the sizes and I am amazed at the full assortment of sizes and gauges. I can't imagine I'll ever use them all but having them on hand is super handy.
D. E. Wright
Reviewed in the United States on July 19, 2024
The Small Parts Kit-S70-30 Silicone O-Ring Kit appears to be a good quality set.Firmness seems to be about right (sorry, sold my Durometer).Rust Red color. Hi Temp. Nice selection. Fast ship.
M Ali
Reviewed in the United States on November 28, 2024
Very good, it can take the high heat, just be careful of the thickness.
Live Sound Co.
Reviewed in the United States on January 12, 2024
None of the sizes needed. As wobbly wimpy as every other less expensive kit so no way are these 70A durometer. Therefore, extremely overpriced. Returned it.
@awpontiac IG
Reviewed in the United States on March 6, 2022
It states 70 durometer, and I highly doubt it, in my opinion. They didn't stretch and better or feel softer than the cheap harbor freight nitrile o-rings. The first 2 broke right away. Don't waste your money.
Joel S.
Reviewed in Canada on July 28, 2021
They're pretty much what you would expect. They seem like decent o-rings
Nom De Guerre
Reviewed in the United States on August 11, 2017
Great product! Just as advertised. Professionally packaged and shipped quickly. AAA+
Cliente
Reviewed in the United States on March 2, 2017
grazie
Murmur
Reviewed in the United States on January 15, 2017
does the job
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