Expanded PTFE, also known as ePTFE, is a compressible gasketing material. During production, it’s stretched into sheets, with heat acting as a form expansion facilitator. The process endows the sheets with a tightly organized microstructure, a synthetic fluoropolymer base that’s a lot stronger than it looks. Used as a purpose-designed gasketing solution, the microscopic voids […]
The best synthetic gasketing materials have plenty of company. They’re originally manufactured as single-solution rubbers and plastics, but then the chemist gets into a fine-tuning “groove.” Before long, different variants are keeping the original product company. And so it is with Viton “A,” a fluoropolymer-based synthetic elastomer. A core member of the main Viton product […]
Clear differences divide gaskets and conventional washers. The former item uses strong materials to mechanically seal flanges. As for the latter item, washers are typically used to spread fastener loads and to counteract vibrations. That’s good to know, except sealing washers, the subject of this post, don’t quite fit into that latter category. No, this […]
Vulcanized materials are exposed to high-temperatures and special additives. Essentially, these curatives function as cellulose binding agents. In gasket processing, the process adds tensile strength to the hard, durable rings, plus mechanical resistance. The treated gaskets endure when strong compressive forces are applied, and they’re equipped to deal with material damaging abrasive actions. Let’s look […]
Caustic chemicals cause strong materials to smoke and sizzle. Even vulnerable metals experience fatigue and corrosion when a particularly concentrated alkali or acid attacks. If corrosive chemicals can eat durable metals, what chance does a gasket stand of enduring such an attack? To answer that question, read on and learn about the specialized sealing materials […]
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