Heat shrink sleeve HFF-105 Halogen Free

Sheath for the Railway Sector with EN45545 Compliance

The HFF-105 Halogen Free Heat Shrink Sheath, compliant with international standards such as EN 45545-2 and BS7239, is an advanced solution for the protection of electrical cables in railway and industrial environments. Made of polyolefin, it offers excellent physical and electrical properties, including high fire resistance and very low emissions of toxic fumes in the event of fire, meeting the fundamental requirements for railway applications.

2:1 shrinkage ratio: the sheath shrinks 2 times the initial diameter

Available diameters: from 1.2mm to 25.4mm

Operating temperature: -55°C to +105°C

Compliant with Regulations: FMVSS 302, BS6853(1999) Vehicles category 1 HL3 according to requirement R22 – R23 of railway standard EN 45545-2:2013+A1:2015 LVL1-085 requirement A3 Boeing BS7239, EN ISO 4589-2, ASTMD638, ASTMD2671, ASTMD570, ASTMD792, IEC 60684-2, AMS-DTL-23053/5, ASTMD2671B, ASTMD257

Technical Features

Material: Polyolefin
Shrinkage: 2:1
Operating temperature: -55°C to +105°C
Minimum shrinkage temperature: > 90°C
Max temperature for short duration: +125°C
Specific weight: 1.40 g/cm³
Volume resistivity: 10¹⁴ ohm.cm
Dielectric strength: 20 KV/mm
Marking: Excellent, thermal transfer

Available Colours

White, Yellow, Black (1.2 mm diameter only available in Black)
Diameters available upon request: 2.4mm, 3.2mm, 4.8mm, 6.4mm (flat version)

Thermal and Mechanical Performance

Tensile strength: 10 N/mm² (according to ASTM D 638)
Elongation at break: 200%
Longitudinal variation: -10% / +5%
Thermal shock: no damage (4 hours at 175°C)
Elongation after heat ageing test: ≥100% (168 hours at 150°C)
Low flexibility temperature: no cracking at -55°C
Water absorption: ≤0.15%
Fluid resistance: Good
Copper corrosion: None

Safety and Regulatory Compliance

The HFF-105 sheath complies with international safety regulations, ensuring high performance in the event of fire and reduced emissions of toxic fumes. It complies with:

Flammability: FMVSS 302 regulation
Fire behaviour and determination of fumes and gases:
- BS6853 (1999) Category 1 Vehicles
- HL3 according to the requirements R22 – R23 of the EN 45545-2:2013+A1:2015 railway standard
- LVL1-085 Requirement A3 Boeing BS7239
Oxygen index: 35%

Applications

Electrical systems and wiring inside railway vehicles, where it is necessary to reduce the risks of fire and smoke damage
Applications requiring fire resistance and low toxic fumes, such as in the railway and aerospace sector
Cable marking by means of heat transfer systems, thanks to the excellent marking capacity of the sheath

Delivery Terms

The expected times for order fulfillment are indicated in our Order Confirmation. In urgent cases, by contacting our sales office at the phone number 0373/920659, the shipment of goods can be managed within 24 hours from the date of our order confirmation. For all products not managed in stock, the shipment of goods will be carried out according to the agreements with our sales office.

Delivery

The delivery of goods is ex our warehouse. At the customer's request, our company offers a "Free Domicile with Invoice Charge" service using a shipper contracted with us. For more information regarding delivery, please consult our General Supply Conditions.

Warranty

RTE warrants, during the warranty period, to repair or replace free of charge those parts that, due to poor material quality or workmanship defects, prove to be defective, but only if they have been used in accordance with the provisions in the "Instruction, Use, and Maintenance Manuals", excluding any other damage and liability for direct or indirect damages resulting from improper use.

For more information regarding delivery terms, delivery, and warranty, please consult our General Supply Conditions.