Our 5ml and 10ml Transport Tubes with screw caps are manufactured from virgin polypropylene and feature:
Graduations at 1.0ml intervals.
large frosted writing area.
Molded-in sealing rings on the cap for a leak proof seal.
Screw cap tubes provide an efficient and secure way to collect and store samples.
They are airtight, allowing samples to remain uncontaminated while stored.
They also have a wide temperature range, helping to protect samples in extreme conditions.
They are easy to use and are available in a variety of sizes and shapes. They also provide a clear view of the sample, making it easier to identify the contents.
They are cost-effective and reusable, reducing the need for single-use disposables. They are also highly durable and can be used for long-term storage, making them an ideal choice for sample collection and storage.
When using screw cap tubes, it is important to ensure a secure seal to prevent contamination and leakage. To ensure a secure seal, start by making sure the cap is the correct size for the tube, as an oversized cap will not fit properly. Before screwing on the cap, clean the tube and cap with a lint-free cloth. This helps remove any dirt and debris that could affect the seal. When screwing the cap onto the tube, avoid over-tightening. This can cause the threads to break and create a poor seal.
When the cap is screwed on snugly, use a torque wrench to secure it. The torque should be set to the manufacturer's specification to ensure a tight seal. To check the seal, place the tube in a shallow pool of water. If the seal is secure, no water should enter the tube. If water does enter the tube, the seal is not secure and the cap should be tightened further. For added security, use a sealant.
Once the cap is tightened, a sealant can be applied to the threads of the cap and tube. This helps ensure a secure seal and prevents any further leakage. In order to ensure a secure seal with screw cap tubes, it is important to use the correct size cap, clean the tube and cap before use, tighten the cap without over-tightening, use a torque wrench to secure the cap, and use a sealant for added security.
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