Raychem HTAT-16/4-0-SP is a 4:1 dual-wall adhesive-lined heat shrink tubing from TE Connectivity. The inner adhesive liner flows and bonds during recovery to seal the cable entry against moisture, fluids, and mechanical ingress.
HTAT-16/4-0-SP Specifications
| Property | Value |
|---|---|
| Part number | HTAT-16/4-0-SP |
| Diameter, as supplied | 16 mm |
| Diameter, after recovery | 4 mm |
| Shrink ratio | 4:1 |
| Colour | Black |
| Material | Irradiated modified polyolefin |
| Inner liner | Thermoplastic adhesive |
| Flexibility | Semi-flexible |
| Operating temperature | −55°C to +125°C |
| Recovery temperature | 110°C |
| Shrink initiation | 80°C |
| Flame retardant | Yes |
| Fluid resistance | Diesel, hydraulic fluid, lubricating oil, water |
| Sold in | 1 m per unit |
If you add 5 m to your basket, we will try to ship as a single continuous length where possible.
HTAT is the economical alternative to dedicated moulded boots. Slip over the connector backshell before assembly and recover in place after the connector is built. The built-in thermoplastic adhesive liner provides the environmental seal on recovery — no additional epoxy is required.





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