Material and Structure
- Material: Heat shrink silicone
- Available diameters: from 2.0 mm to 240.0 mm
- Colour: Grey
- Density: 1.2 ± 0.1 g/cm³ (ASTM D 1817)
- Hardness: 70 Shore A (ASTM D 2240)
- % Shrinkage: ≥ 50%
Thermal and Mechanical Performance
- Operating temperature: -50°C ÷ +200°C (UL 224)
- Shrinkage temperature: >80°C
- Tear resistance: ≥ 15 kN/m (ASTM D 624)
- Tensile strength: ≥ 6 MPa (ASTM D 624)
- Elongation at break: ≥ 350% (ASTM D 412)
- Longitudinal variation: Max -5%
Safety and Regulatory Compliance
- Reference standards: EN 45545, UL 224, ASTM D 624, ASTM D 1817, ASTM D 2240, ASTM D 412, ASTM D 149, ASTM D 150
- Self-extinguishing: UL 224 compliant
- Flame resistance: VW1 (UL 224)
- EN 45545-2 Requirements:
- HL1 (R22) – Fire and smoke behaviour
- HL1-HL2 (R23) – Determination of fumes and gases
- Volume resistivity: ≥ 2×10¹² Ω·cm (ASTM D 149)
- Dielectric strength: ≥ 25 kV/mm (ASTM D 149)
- Dielectric constant: 3.2 (ASTM D 150)
Recommended Applications
The GTS-HP heat shrink sheath is ideal for:
– Protection and insulation of wiring in railway environments
– Electrical systems in cabins and signalling systems
– Protection of electronic components from high temperatures
– Coverage of mechanical parts exposed to thermal stress
