If you're looking for a reliable way to secure your laboratory jars or containers, these 12pcs Black Phenolic Resin Screw Caps are a great choice. They measure 28mm, making them a perfect fit for various lab applications. Made from durable phenolic resin, these caps are designed to resist chemicals and maintain their seal under various conditions. This means you can trust them to keep your samples safe and intact, whether you're working with solvents, reagents, or other substances.
The easy-to-use screw design ensures a tight fit every time, preventing any unwanted spills or contamination. Plus, the sleek black finish not only looks professional but also makes your lab appearance tidy. Whether you're stocking up your lab supplies or need replacements, having a set of these screw caps on hand is smart. They’re practical, reliable, and just plain useful for any lab environment.
