Black Silicone Tubing ID 0.5mm–25mm | Food Grade Flexible Rubber Pipe

Measure the outer diameter of the fitting or barb the tube will slip over — that measurement should match the tube's Inner Diameter (ID). The Outer Diameter (OD) determines wall thickness. For example, a 6mm ID × 8mm OD tube has a 1mm wall (≈3/8" bore). As a general rule, a snug ID fit prevents leaks, while a thicker wall (larger OD relative to ID) provides more pressure resistance. When in doubt, size up on wall thickness.

Silicone tubing of this type can typically handle working pressures in the range of 30–100 PSI depending on wall thickness and temperature. Thicker-walled sizes (e.g., 10mm ID × 16mm OD with a 3mm wall) generally support higher pressures. For high-pressure hydraulic or pneumatic applications, please contact us to confirm suitability before ordering.

Yes. This tubing is made from food-grade silicone, which is generally recognized as safe for contact with food and beverages. It is odorless, tasteless, and non-toxic. It is commonly used in homebrewing transfer lines, winemaking siphons, dairy lines, and beverage dispensing systems where flavor neutrality is critical.

Yes. Silicone is inherently UV-resistant and performs well outdoors without cracking or hardening. It typically withstands continuous temperatures from –60°C (–76°F) to +200°C (+392°F), making it suitable for engine cooling bypass lines, steam applications, and outdoor plumbing where standard rubber would degrade quickly.

This tubing is compatible with standard metric barbed fittings, hose clamps, and push-fit connectors sized to match the tube's Inner Diameter. It works with metric barbs (e.g., 6mm, 8mm, 10mm) and can generally be adapted to imperial fittings with the appropriate reducer. Confirm the barb OD matches the tube ID for a leak-free seal. For peristaltic pumps, match the tube OD to the pump head specification.

For a single repair or short connection, 1m is typically sufficient. For routing tubing through a machine, appliance, or vehicle, 5m or 10m gives you enough material to avoid mid-run joins. For workshop stock or larger plumbing installations, 20m rolls offer the best per-meter value. Measure your run and add 15–20% for bends, connections, and trimming.

Yes. Silicone tubing cuts cleanly with a sharp utility knife or scissors. A straight, clean cut ensures a better seal against barbed fittings. No special tools are required. For very small diameters (e.g., 0.5mm × 1mm), a razor blade gives the cleanest cut.