When you're dealing with fluid systems, whether it's your car's engine, home plumbing, or industrial equipment, a reliable seal can make all the difference between smooth operation and frustrating leaks. These 70A Buna O-rings offer the perfect balance of flexibility and durability to keep your systems running efficiently.
These aren't your average rubber seals. Made from premium Buna-nitrile, each O-ring delivers exceptional performance with high tensile strength, excellent abrasion resistance, and the ability to maintain shape under compression. The 70A durometer rating provides just the right amount of firmness – soft enough to create a tight seal against uneven surfaces, yet firm enough to withstand significant pressure without deforming.
Whether you're working in freezing temperatures or scorching heat, these O-rings won't let you down. They maintain their sealing integrity from -30°F (-34°C) all the way up to 250°F (121°C), making them suitable for everything from winter automotive applications to high-temperature industrial processes. The Buna-nitrile construction also provides excellent resistance to oils, greases, and many common chemicals, though they're not recommended for use with acetone, ethers, or in direct sunlight.
You'll find these versatile seals popping up in countless scenarios around the garage, workshop, or home. They're commonly used in engine rebuilds, faucet repairs, valve maintenance, hydraulic systems, and countless other applications where a reliable fluid seal is essential. The standard 2-1/2" inside diameter, 2-3/4" outside diameter, and 1/8" width make them compatible with countless existing systems and equipment.
Backed by Aerospace Standard AS568A, these O-rings meet rigorous quality standards that professionals trust. Whether you're a DIY enthusiast working on a weekend project or a mechanic handling critical repairs, you can count on these seals to perform consistently and reliably. With 25 O-rings in each pack, you'll have plenty on hand for multiple repairs or replacements, ensuring you're never caught short when a seal fails unexpectedly.
