Application

It is mainly used in the aerospace field and ground test system connection, and other military field ground equipment electrical connection.

Reference Standards

• »»Q/LB 61.3-2019 The specification of AFR-250 Series PTFE Film Wrapped Insulated Hookup Wire for Aerospace & Aviation
• »»Q/XT 20001-2025 AFR-250 series PTFE Film Wrapped Insulation Hook-up wire Detailed Specifications

Characteristics

Main Parameter	Performance Index
Rated voltage	250V, industrial frequency AC.
Rated working temperature:/td>	250℃
Cable minimum bending radius	≥5D for wire(D: Wire diameter.mm) ≥8D for Cable (D: Cable diameter.mm)
Minimum working ambient temperature:	-65℃ for wire, -55℃ for cable;
Bare shielded products are not allowed to work for a long time under salt spray environment.

Type and Description

Main Performance

• ● Low temperature winding
  After -65℃, 4h low temperature winding test, the insulation should not be cracked, water immersion withstand voltage 1.5kV, Imin test should not be broken. Cable by -55 ℃, 4h of low temperature winding test, protection should not crack, diffuse water withstand electric music test 1.0V, 1min should not breakdown.
• ● Temperature outside the strike
  Wire by (260 +2) ℃ x 30min, (-55 +3) ℃ x 30min for I cycle, a total of 4 cycles of temperature shock test, no crack, no flared open, insulation shrinkage ‘2.3lmm.
• ● Shrinkage of insulation
  The wire is stored at a temperature of (290+2)℃, and the amount of insulation shrinkage is ≤0.76mm.
• ● Laminated sealing
  Wire and cable by (200 + 2) ℃, 48h test, insulation and sheath layer should be no delamination or layer separation phenomenon.
• ● Moisture resistance
  Wire after 15 cycles, a total of 360h moisture resistance test, the specimen is immersed in 5% chlorinated pin solution for 4h, after 500V insulation resistance test, resistance value > 100MΩ .km.
• ● Combustion
  Enchanting wires and cables in the process of combustion test shall not have combustion abatement burning the napkin below the specimen. Test conditions for the fire time 30s, delayed combustion time S30s, delayed combustion length ≤ 76mmm.
• ● The wire colour is white by default. Multi-core cables (maximum number of cores is 7), the insulation colour sequence is designed as white, blue, red, yellow, green, orange, brown.Brown. The sheath colour is white by default if there is no special requirement.

Cable Constructure

Product Parameters（AFR-200,AFR-250)

Application

Mainly used in aerospace field and ground test system connection, and other military field ground equipment electrical connection.

Reference Standards

• »»Q/LB 61.1-2019 Polyperfluoroethylene propylene (FEP) insulated wires and cables for aerospace applications.

Characteristics

Main Parameter	Performance Index
Rated voltage	AC600V and below
Rated working temperature:/td>	Silver-plated conductor: 200℃ Tin-plated conductor: 150℃
Cable minimum bending radius	≥5D for wire(D: Wire diameter.mm) ≥8D for Cable (D: Cable diameter.mm)
Minimum working ambient temperature:	-65℃ for wire, -55℃ for cable;
Bare shielded products are not allowed to work for a long time under salt spray environment.

Main Performance

• ● Low temperature winding
  Wire by (-65+2)℃, 4h low-temperature winding test, immersion withstand voltage 2.2kV, 5min without breakdown; cable by (-55±5)℃, 4h low-temperature winding test, immersion withstand voltage 1.0kV, 1min without breakdown
• ● Temperature shock
  Temperature shock (200±2)℃x30min-(-55±3)℃x30min, a total of 4 cycles, the insulation is not flared; the maximum change in the measured value: 1.5mm.
• ● Insulation shrinkage
  Wire at a temperature of (230 ± 2)℃ environment, stored for 2h, both ends of the insulation layer shrinkage ≤ 3.20mm.
• ● Wire and cable adhesion
  Cable by (200 ± 5)℃, 6h test, immersion withstand voltage 1.0kV, 1min without breakdown
• ● Cable high temperature winding
  should not crack after the (230 ± 5)℃x4h
• ● Combustion
  Wires and cables in the combustion test process shall not have a burning droplets burning specimens below the meal in the paper. Test conditions for the fire time 30s, delayed combustion time ≤ 30s, delayed combustion length ≤ 76mm.

Cable Constructure

***The wire color is white by default. Multi-core cable (up to 7 cores), the insulation color sorting design for white, blue, orange, green, red, black, yellow, purple, gray, brown, in that order. Sheath color without special requirements, the default is white.

Application

Mainly used in aerospace field and ground test system connection, and other military field ground equipment electrical connection.

Reference Standards

• »»O/LB 61.2-2019 Polyperfluoroethylene propylene insulated wires and cables for aerospace.

Characteristics

Main Parameter	Performance Index
Rated voltage	250V, 600V AC at work frequency.
Rated maximum working temperature:	250℃ for silver-plated conductor.
Cable minimum bending radius	≥5D for wire(D: Wire diameter.mm) ≥8D for Cable (D: Cable diameter.mm)
Minimum working ambient temperature:	-65℃ for wire, -55℃ for cable;
The cable shall have the property of oil resistance.

Main Performance

• ● Low temperature winding
  Wire by (-65±2)℃, 4h low-temperature winding test, immersion voltage does not break through; cable by (-55±5)℃, 4h low-temperature winding test, immersion voltage does not break through
• ● Temperature shock
  After (260±2)℃x30min, (-55±3)℃x30min for 1 cycle, a total of 4 cycles of temperature shock test, the insulation is not cracked, no flared open, the insulation maximum shrinkage ≤ 1.5mm.
• ● Shrinkage of insulation layer
  The wire shall not stick after (260±2)℃ and 24h test.
• ● Wire sticking
  Cable by (200 ± 5)℃, 6h test, immersion withstand voltage 1.0kV, 1min without breakdown
• ● High temperature winding
  Wire by (313±2)℃, 2h test, the insulation layer should not crack, winding diameter of the wire itself outside diameter.
• ● Combustion
  Wire and cable in the combustion test process shall not have burning droplets burning the napkin below the specimen. Test conditions for the fire time of 30s, delayed combustion time delayed combustion length ≤ 76mm. 530s.

Cable Constructure

Application

XTA series high-performance transmission wire is a new generation of products designed and developed on the basis of implementing the national military standard GJB773B-2015,GJB773A-2000 and referring to the U.S. military standards MIL-W-22759/32~35 and MIL-W-22759/41~46.
This series of products are insulated with specially improved fluorine material, which has high and low temperature resistance (-65℃~+200℃), light weight, no heat shrinkage and excellent mechanical toughness, and can resist salt spray, humidity and heat as well as excellent anti-high-energy radiation characteristics, which can provide high-quality services in harsh environments.All performance indexes are in line with the U.S. military standard MIL-W-22759/32~35 and MIL-W-22759/41~46 requirements. They are widely used in aerospace, aviation, ships, electronics and other military fields.

Reference Standards

• »»Q/XT 20011-2021 Detailed Specification for XTA Series American Conductor High Performance Transmission wire
• »»Q/XT 20015-2022 Rated voltage 1000V XTA2 series high performance transmission wire detailed specification
• »»Q/XT 20016-2022 Rated voltage 2500V XTA3 series high performance transmission wire detailed specification
• »»Q/XT 20017-2022 Detailed specification of XTAX series high performance transmission Wire
• »»Q/XT 20037-2023 XTAQ series ETFE Insulated Lightweight wire detailed Specification

Characteristics

Main Parameter	Performance Index
Rated voltage	XTA1 AC600 XTA2 AC1000V XTA3 AC2500V XTAX AC600V XTAQ AC600V
Long time permisssible maximum operating temperature	-65℃-+150℃(tin-plated conductor) -65℃-+200℃(silver-plated and nickel-plated conductor)
Cable minimum bending radius	≥8D (D: Cable diameter.mm)

Main Performance

Characteristic parameters (XTA)

Conductor Size Datasheet(XTAX)

Size	Conductor DC Resistance(20℃) ≤Ω/kM	Size	Conductor DC Resistance(20℃) ≤Ω/kM
28	218	15	12.3
26	145	14	9.0
24	87.0	13	7.2
22	59.3	12	5.71
20	38.8	11	4.7
19	25.1	10	3.57
18	20.3	9	3.14
16	14.7	–	–

Cable Constructure

XTA series high-performance transmission Wires are available in single-layer and double-layer insulations. Single-layer insulation is best suited for space-saving and weight-saving applications; double-layer insulation is designed to meet the strength requirements to prevent damage caused by mechanical abrasion during installation, and the inner and outer layers are preferentially differentiated by different colors.

Application

XTB series high-performance lightweight transmission wires are newly-developed economical products with full domestic localization. Designed to meet low-cost demands for commercial and military aviation applications, the products comply with Chinese military standard GJB 7738-2015 and reference relevant provisions of US military specifications MIL-W-22759/116 ~ MIL-W-22759/117.
This product series employs fluorine-based insulation materials, offering resistance to extreme temperatures (-65°C to +150°C), lightweight construction, flame retardancy, and exceptional mechanical toughness. It features triple protection against moisture, dust, and corrosion. Compared to cables using standard PFA/EPFEP insulation, it reduces unit weight by 7%–12%; compared to those with X-ETFE insulation, it lowers unit cost by 50%–60%, meeting the aviation industry's demands for cost-effectiveness and lightweight design.Widely used in both commercial and military aviation sectors.

Reference Standards

• »»Q/XT 20039-2025 Detailed Specification for XTB Series High Performance Transmission Wire

Characteristics

Main Parameter	Performance Index
Rated voltage	AC600V
Long time permisssible maximum operating temperature	-65℃-+150℃
Cable minimum bending radius	≥6D (D: Cable diameter.mm)

Main Performance

Application

XTC series high-performance power cables are newly developed fully domestically-manufactured high-end products. Developed in accordance with Chinese Military Standard GJB773B-2015 and referenced to relevant specifications of US military standard MIL-W-22759, they are engineered to satisfy the application requirements of large-cross-section flexible cables for high-power circuits in commercial and military aviation.
Constructed with fluoropolymer insulation, this cable series features wide operating temperature range from -65℃ to +200℃, outstanding pliability and flexibility for large-radius routing in confined spaces. Characterized by compact structure, small outer diameter, excellent flame retardancy and superior mechanical & three-proof properties, the products are widely applied in commercial and military aviation industries.

Reference Standards

• »»Q/XT 20041-2025 Detailed Specification for XTC Series High Performance Transmission Power Cable

Characteristics

Main Parameter	Performance Index
Rated voltage	AC600V
Long time permisssible maximum operating temperature	-65℃- +200℃
Cable minimum bending radius	≥5D (D: Cable diameter.mm)
Solderability:	Excellent solderable performance

Main Performance

Description

Constructed with silver-plated copper conductor and fluoropolymer insulation & sheath, XTE wires deliver superior electrical insulation and outstanding wide-range temperature resistance, rated for continuous operation from -65℃ to +250℃. They feature high impact toughness and crack resistance together with stable chemical properties, resisting erosion from acids, alkalis, oils and various organic solvents, as well as possessing excellent thermal aging resistance. Thanks to superior flexibility and easy stripping, these wires are extensively used for wiring connections of electrical equipment and instruments under extreme high/low temperature and harsh service conditions.

Reference Standards

• »»Q/XT 20018-2022 Detailed Specification for XTE Series High-Temperature Resistant Hook-up wire

Characteristics

Main Parameter	Performance Index
Rated voltage	AC600V
Long time permisssible maximum operating temperature	-65℃-+250℃
Cable minimum bending radius	≥8D (D: Cable diameter.mm)
Solderability:	Excellent solderable performance

Main Performance