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K-FLEX ST/SK Self-Seal Tube
£3.78
K‑FLEX ST/SK Self‑Seal Tube is a flexible elastomeric tube with factory‑applied adhesive closure (also available with overlap) for fast, clean installation. It provides the same closed‑cell performance with reduced installation time and consistent sealing.
Key Features
- Self‑seal adhesive closure system for rapid fit‑off.
- Service temperature (ST/SK): −40 °C to +85 °C.
- Fire performance (ST/SK): Euroclass BL‑s2,d0.
- Supplied in 2 m lengths across common HVAC bores and thicknesses.
Thermal Conductivity
| Thermal Conductivity (EN 12667 / EN ISO 8497) | ||
|---|---|---|
| Thickness | Temperature | λ [W/m·K] |
| ≤ 25 mm | −20 °C | 0.031 |
| ≤ 25 mm | 0 °C | 0.033 |
| ≤ 25 mm | +20 °C | 0.035 |
| ≤ 25 mm | +40 °C | 0.037 |
| > 25 mm | −20 °C | 0.034 |
| > 25 mm | 0 °C | 0.036 |
| > 25 mm | +20 °C | 0.038 |
| > 25 mm | +40 °C | 0.040 |
Installation Notes
- Align and press adhesive edges together along the longitudinal seam; seal joints with compatible tape where required.
- For overlap version, follow the manufacturer’s guidance to position and close the pre‑applied overlap.
Compatible Accessories
Complete your installation: ST Tube · K-420 Adhesive · AT070 Tape
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