Naming of Halogen-free Sheath Materials According to Standards

HFFR : Thermoplastic halogen-free

SHF1 : IEC 60092-360
ST8 : IEC 60502-1
LST1 : BS 7655-6.1 90 °C
LST2 : BS 7655-6.1 90 °C
LST3 : BS 7655-6.1 70 °C
LST4 : BS 7655-6.1 90 °C
TM7: EN 50363-0
M1 : CEI 20-11
M9 : CEI 20-11
HM2 : DIN VDE 0207-24 70 °C
HM4 : DIN VDE 0207-24 90 °C
HM5 : DIN VDE 0250-215
Type TPO : IEEE 1580
HFFR 90 °C : EN 50290-27
HFFR 70°C : EN 50290-27
Z1 : UNE 21161

XL-HFFR : Thermoset halogen-free

SHF2 : IEC 60092-360
SHF2 MUD : NEK TS 606
SW3 : BS 7655-2.6 90 °C
SW4 : BS 7655-2.6 90 °C
EM8 : EN 50363-0
EM10: EN 50363-0
M2 : CEI 20-11
HM1 : DIN VDE 0207-24 90 °C
HM3 : DIN VDE 0207-24 90 °C
Type L : IEEE 1580
EM 101 : EN 50264-1
EM 102 : EN 50264-1
EM 103 : EN 50264-1
EM 104 : EN 50264-1

Thermoplastic Halogen-Free (HFFR)

Characteristics: Thermoplastic materials that do not contain halogens. When exposed to fire, they emit lower amounts of toxic gases and produce less smoke compared to halogenated materials.

Applications: Widely used in electrical insulation and sheathing to enhance fire safety in residential, commercial, and industrial settings.

SHF1: IEC 60092-360

Details: This IEC standard is specifically for shipboard cables, ensuring they are suitable for harsh marine environments. SHF1 materials must pass rigorous tests for halogen content, flame retardancy, and mechanical properties.

Applications: Used in the sheathing of marine cables to prevent the spread of fire on ships and to ensure safety in maritime operations.

ST8: IEC 60502-1

Details: This standard covers power cables with extruded insulation and their accessories for rated voltages. ST8 refers to halogen-free thermoplastic sheathing that meets the requirements for flame retardancy and safety in electrical installations.

Applications: Common in low-voltage power distribution systems to provide enhanced fire safety and lower toxic emissions in case of fire.

BS 7655-6.1 (LST1, LST2, LST3, LST4)

LST1 & LST2 (90 °C): Designed for higher temperature applications. They have superior heat resistance and are ideal for environments where cables are exposed to elevated temperatures.

LST3 (70 °C): Suitable for lower temperature applications, offering adequate performance at 70 °C.

LST4 (90 °C): Provides enhanced mechanical properties, making it more durable under physical stress while still operating efficiently at 90 °C.

Testing and Certification: These materials must pass British Standard tests for halogen content, fire performance, and mechanical robustness.

TM7: EN 50363-0

Details: This standard specifies the requirements for halogen-free thermoplastic materials used for insulating and sheathing in cables.

Applications: Employed in a variety of cable applications, ensuring materials meet European safety and performance standards for low smoke emission and reduced toxicity.

CEI 20-11 (M1 & M9)

Details: Italian standard specifying the properties of halogen-free thermoplastic compounds. M1 and M9 materials must exhibit excellent flame retardancy and mechanical properties.

Applications: Utilized in a variety of cable types, providing safety in both residential and industrial electrical installations.

DIN VDE 0207-24 / 0250-215 (HM2, HM4, HM5)

HM2 (70 °C): Suitable for applications where the maximum operating temperature is 70 °C. These materials are used in flexible cables.

HM4 (90 °C): Designed for higher temperature applications up to 90 °C, offering improved thermal stability.

HM5: Provides robust flame retardancy and mechanical strength, ensuring cables are safe and reliable in demanding environments.

Type TPO: IEEE 1580

Details: This IEEE standard specifies materials for shipboard power and control cables. Type TPO materials are thermoplastic polyolefin, which are halogen-free and flame retardant.

Applications: Used in the marine industry to provide safe and reliable cabling solutions, minimizing fire hazards on ships.

EN 50290-27 (HFFR 90 °C / HFFR 70°C)

Details: European standard specifying electrical properties of halogen-free flame-retardant thermoplastic compounds used in cable insulation and sheathing.

Applications: Ensures cables operate safely at specified temperatures (90 °C or 70 °C), providing fire safety and low smoke emission in various environments.

Z1: UNE 21161

Details: Spanish standard for halogen-free thermoplastic materials used in electrical cables.

Applications: Provides guidelines for materials used in electrical installations, ensuring they meet safety and performance criteria for reduced smoke and toxic emissions.

Common Attributes:

Fire Safety: All these materials aim to improve fire safety by being halogen-free and flame-retardant.

Regulatory Compliance: Each designation ensures compliance with specific national or international safety and performance standards.

Reduced Toxicity: By being halogen-free, these materials emit fewer toxic gases during combustion, enhancing safety in case of a fire.

Wide Application Range: These materials are used across various industries, including marine, industrial, residential, and commercial applications, to ensure safe and reliable electrical installations.


XL-HFFR: Thermoset Halogen-Free

Characteristics: These materials are cross-linked, which means they have undergone a chemical process to create bonds between polymer chains, improving their thermal stability, chemical resistance, and mechanical properties. Being halogen-free, they do not release toxic halogen gases when burned, reducing the risk of toxic fume inhalation and corrosive damage.

Applications: Commonly used in industries where fire safety is paramount, such as building construction, public transportation, and marine applications.

SHF2: IEC 60092-360

Details: This standard covers halogen-free thermoset sheathing materials for shipboard cables. SHF2 materials must pass stringent tests for flame retardancy, toxicity, and smoke density to ensure safety in marine environments.

Applications: Utilized in marine environments where stringent fire and safety standards are essential, such as in ship engine rooms and other high-risk areas.

SHF2 MUD: NEK TS 606

Details: An extension of the SHF2 standard, NEK TS 606 includes additional requirements for resistance to oils, chemicals, and drilling muds. Materials must demonstrate excellent mechanical properties and durability in harsh offshore conditions.

Applications: Ideal for offshore oil and gas platforms where cables are exposed to harsh chemicals and mechanical stress.

SW3 & SW4: BS 7655-2.6

SW3 (90 °C): This standard specifies a halogen-free thermoset sheathing material that can withstand temperatures up to 90 °C. These materials undergo rigorous testing for fire performance, halogen content, and mechanical properties.

SW4 (90 °C): Similar to SW3, but with specific enhancements for performance under similar temperature conditions. Both SW3 and SW4 ensure high fire safety standards in various environments.

EM8 & EM10: EN 50363-0

Details: These European standards define the requirements for halogen-free thermoset insulating and sheathing materials. EM8 and EM10 materials are tested for flame retardancy, low smoke emission, and mechanical strength.

Applications: Used in cables for various applications, including industrial and residential settings, to meet European safety standards.

M2: CEI 20-11

Details: Italian standard specifying properties of halogen-free thermoset materials. M2 materials must meet stringent flame retardancy, mechanical property, and low toxicity requirements.

Applications: Widely used in Italian and international electrical installations for enhanced fire safety.

HM1 & HM3: DIN VDE 0207-24

HM1 (90 °C): Suitable for applications where the maximum operating temperature is 90 °C. These materials are tested for high flame retardancy and low halogen content.

HM3 (90 °C): Provides similar performance to HM1, designed for applications requiring robust thermal stability and mechanical properties.

Testing and Certification: Both materials must pass German VDE standards, ensuring they meet stringent safety and performance criteria.

Type L: IEEE 1580

Details: Specifies requirements for halogen-free thermoset compounds used in shipboard power and control cables. Type L materials are designed to provide high levels of fire safety, mechanical strength, and durability.

Applications: Used in marine environments to reduce fire hazards, ensuring safe and reliable ship electrical installations.

EN 50264-1 (EM 101, EM 102, EM 103, EM 104)

Details: These standards specify the electrical properties of halogen-free flame-retardant thermoset materials used in cable insulation and sheathing. Each designation (EM 101, EM 102, EM 103, EM 104) corresponds to specific compositions and performance characteristics tailored for different applications.

Applications: Ensures that cables meet stringent safety and performance criteria for fire safety, low smoke emission, and reduced toxicity.

Common Attributes:
Fire Safety: All these materials aim to improve fire safety by being halogen-free and flame-retardant.

Regulatory Compliance: Each designation ensures compliance with specific national or international standards, guaranteeing that materials meet safety and performance requirements.

Reduced Toxicity: Halogen-free materials emit fewer toxic gases during combustion, enhancing safety in the event of a fire.

Wide Application Range: These materials are used across various industries, including marine, industrial, residential, and commercial settings, ensuring safe and reliable electrical installations.


By adhering to these standards, XL-HFFR thermoset materials enhance safety and reliability in demanding applications.

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