Heat Shrink Tubing

Welcome to Felthams Heat Shrink Products (formerly known as Ness Heat Shrink) – your trusted partner for high-quality heat shrink tubing and accessories. Whether you're working on electrical insulation, cable protection, or any application requiring reliable and durable solutions, our extensive collection has you covered. With a commitment to quality and innovation, we offer a range of heat shrink products designed to meet the demands of professionals across industries.

Explore Our Premium Heat Shrink Solutions

Browse our selection and discover the perfect solution for your project today! Need a tailor-made solution, or not quite sure what you are looking for? Contact our team for expert advice today.

Black Heat Shrink Tubing with Heat Gun

Huge Stock of Heat Shrink Sleeving

We supply varying grades of Polyolefin, PVC, PTFE, Flouroelastomer and Expanded Braided Cable sleeving. All in a multitude of thickness’s, rigidity, flexibility etc. For a wide variety of applications, high temperature, electrical insulation, protection against moisture, abrasion or the most hostile of environments or simply for an aesthetic finish, we have the material for the job.

Industrial Heat Shrink Tubing

Industrial Heat Shrink Tubing

We aim to maintain a comprehensive stock of heat shrink sleeving and mouldings for a wide variety of applications, high temperature, electrical insulation, protection against moisture, abrasion or the most hostile of environments or simply for an aesthetic finish, we have the material for the job.

Our prompt despatch procedures, using the best of delivery services, both for home and abroad, ensures despatch of in-stock materials on the day of order receipt.

Have Questions About Heat Shrink Sleeving? We're Here to Help!

Whether you need advice on choosing the right heat shrink tubing or have any other queries, our team is ready to assist. Contact us today to get expert guidance, tailored recommendations, or quick answers to your questions. Reach out via email, phone, or our easy-to-use contact form, and we’ll ensure you get the support you need.

Heat Shrink Tubing FAQs

Multiple Cables with heat shrink tubing

What is heat shrink tubing, and how does it work?

Heat shrink tubing is a versatile, protective sleeve that shrinks when heated to provide insulation, protection, or reinforcement for wires, cables, and other components. Once heated, the tubing conforms to the shape of the item inside, creating a secure and durable seal.

What materials are heat shrink tubing made of?

Most heat shrink tubing is made from materials like polyolefin, PVC, or fluoropolymer. Polyolefin is widely used due to its flexibility, durability, and resistance to heat and chemicals.

What sizes are available?

Tubing comes in a variety of diameters to fit different wire and cable sizes. Make sure to choose a size that will snugly shrink around your item after heating.

What is the heat shrink ratio, and why is it important?

The shrink ratio indicates how much the tubing will shrink when heated. For example, a 2:1 ratio means the tubing will shrink to half its original diameter. Common ratios are 2:1, 3:1, and 4:1, with higher ratios offering more flexibility for covering larger or irregular shapes.

Can heat shrink tubing be used outdoors?

Yes, certain types of heat shrink tubing are UV-resistant and weatherproof, making them suitable for outdoor use. Check product specifications to ensure outdoor compatibility.

What temperature do I need to shrink the tubing?

The shrinking temperature depends on the material, but most polyolefin tubing shrinks between 90°C and 120°C. Always check the product details for specific temperature guidelines

Can I cut heat shrink tubing to size?

Yes, you can cut heat shrink tubing to the desired length using scissors or a sharp knife. Ensure the cut edges are clean for a neat finish.