Multi-layer tubing is built from two or more material layers. Each layer is chosen against criteria such as strength, flexibility, chemical resistance and impermeability — the inner layer carries biocompatibility, the outer layer strength or protection.
| Double-layer tubing | Triple-layer tubing | |
|---|---|---|
| Outer diameter | From 0.3 mm | 0.20 mm – 1.50 mm |
| Tolerance | ± 0.0127 mm – 0.1 mm | ± 0.0127 mm – 0.0254 mm |
| Wall thickness | From 0.05 mm | 0.05 mm – 0.35 mm |
| Length | Maximum 1500 mm | Maximum 2000 mm (varies with dimensions) |
| Outer jacket | PU · Pebax · Nylon · PP | PEBAX · PA · TPU |
| Inner / middle layer | PU · Pebax · Nylon · PP · HDPE | PE |
Medical device tubing — catheters, infusion lines and drainage systems, more durable and more flexible than single-layer tubing. Drug delivery — IV lines, feeding tubes and dialysis tubing, where the multi-layer build controls flow rate and prevents leakage.
Inner diameter, wall thickness, length and operating environment — those four settle the item. We reply with TDS, MSDS and MOQ.
