Explore our selection of Stoppers, essential for sealing laboratory glassware and containers. We offer a variety of stoppers to meet your laboratory needs.
Stoppers
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Question & Answers For:
Stoppers
Past Questions, Helpful Answers.
q.
What types of stoppers are available?
a.
Stoppers come in various materials such as rubber, silicone, and cork. They also vary in sizes and shapes to fit different laboratory glassware and containers.
q.
Are these stoppers chemical-resistant?
a.
Yes, many stoppers are designed to resist chemicals, but resistance depends on the material. Rubber and silicone stoppers offer good chemical resistance, while cork stoppers are best for dry or non-reactive substances.
q.
Can these stoppers be used for high-temperature applications?
a.
Silicone stoppers typically withstand higher temperatures than rubber or cork. Check the specific material properties to ensure suitability for your application.
q.
Do these stoppers provide an airtight seal?
a.
Yes, properly fitted stoppers create an airtight seal, preventing leaks and contamination. Silicone and rubber stoppers generally provide the best seal.
q.
Are these stoppers reusable?
a.
Yes, most stoppers can be reused if they are cleaned and maintained properly. Silicone and rubber stoppers are especially durable for repeated use.
q.
Can I use these stoppers for vacuum applications?
a.
Some rubber and silicone stoppers are designed for vacuum applications. Ensure the stopper is thick and durable enough to handle pressure changes.
q.
How do I choose the right stopper size?
a.
Measure the inner or outer diameter of the container opening and choose a stopper that fits snugly. Many stoppers are tapered to fit a range of openings.
q.
Are these stoppers safe for food and beverage applications?
a.
Silicone stoppers are generally food-safe, while rubber and cork stoppers may require verification depending on the intended use.
q.
Do these stoppers react with certain chemicals?
a.
Some materials may degrade or react with strong acids, bases, or solvents. Check the chemical compatibility of the stopper material before use.