TST Cable Extruded PI Cable Application Scenarios
TST Cable has completely replaced traditional wrapped-and-sintered manufacturing processes with extruded, seamless polyimide (PI) insulation. This innovation achieves five key breakthroughs: performance across extreme temperature ranges, high radiation resistance, ultra-high vacuum compatibility, lightweight design, and superior abrasion resistance. These cables serve critical national strategic and cutting-edge industrial sectors, including aerospace, superconductivity research, nuclear power and defense, semiconductor vacuum systems, and deep-sea oil exploration. Below is a professional overview covering the product series’ technical positioning, demanding application scenarios, and key value propositions.
- Lightweight Polyimide Wires for Aerospace (TST-HKTPI / TST-HKTPIP2)
Core Positioning
Lightweight wires designed for the high-radiation, vacuum environments of spacecraft, satellites, and space stations; compliant with GJB military standards and aerospace-grade requirements for signal and power transmission.
Key Application Scenarios
Satellite attitude control systems, onboard computers, and internal wiring for payload equipment
Space station internal and external wiring, solar array connections, and payload power supply
Aero-engine compartments, airborne radar systems, and high-temperature/radiation zones for inertial navigation systems
Rocket-borne instrumentation and deep-space probes operating in environments with extreme temperature fluctuations and cosmic radiation
Technical Value
Wide operating temperature range: -220°C to +260°C (short-term up to 300°C; cryogenic capability down to -269°C)
Radiation resistance: Withstands alpha and gamma radiation up to 1×10⁹ rad without insulation cracking
Lightweight and compact: 15% lighter and 5–10% smaller in outer diameter compared to traditional wrapped wires, meeting critical aerospace lightweighting requirements
Safety compliance: Low-smoke, zero-halogen, and flame-retardant (EN45545-2 HL3), ensuring safety for pressurized cabin environments
Aerospace-grade extruded PI lightweight wires—combining weight reduction, radiation resistance, and an ultra-wide temperature range—safeguard signal and power integrity throughout the spacecraft’s entire lifecycle, from launch to on-orbit operations. II. Polyimide Cable for Liquid Nitrogen (77K) Environments (TST-SDJPI-DYT)
Core Positioning
Specialized low-noise instrumentation/sensor cable for the entire LNG industry chain (ultra-low temperature applications)
Key Application Scenarios
Signal transmission for liquid level, pressure, and temperature sensors in LNG storage tanks and refueling stations
Internal wiring for submerged motors and pump control systems in LNG carriers and tanker trucks
Explosion-proof and cryogenic instrumentation circuits for large-scale cryogenic storage facilities and gasification stations
Stable power supply and signal transmission for 77K-level cryogenic experimental platforms
Technical Value
Long-term stability in -196°C liquid nitrogen environments; no embrittlement or cracking; zero performance drift
Low noise (≤5mV), suitable for high-precision sensor data acquisition
Semi-conductive layer plus dual-layer shielding; interference-resistant; abrasion resistance ≥20,000 cycles
A specialized low-noise cable for 77K cryogenic environments, providing an ultra-low temperature, highly reliable, and interference-resistant “neural link” for the entire LNG industry chain.
III. Polyimide High-Voltage Cable for Liquid Helium (4K) Environments (TST-GYPIT)
Core Positioning
Specialized high-voltage input cable for scientific facilities and superconducting systems operating at 4K (liquid helium) temperatures
Key Application Scenarios
High-field power input for superconducting magnets and MRI systems
Power supply for superconducting coils in particle accelerators and fusion devices (e.g., EAST)
High-voltage wiring for 4K-level cryogenic experiments in quantum computing and condensed matter physics
Power transmission for superconducting motors and superconducting fault current limiters operating in the liquid helium temperature range
Technical Value
Stable operation at -269°C (4K); one of the few mass-producible specifications globally
High-voltage ratings of DC 15kV/20kV/30kV with reliable insulation
20% lighter than traditional designs, reducing the cooling load on cryogenic systems
Radiation resistance of 1×10⁹ rad; suitable for high-radiation zones in large-scale scientific facilities
A 4K liquid helium-grade high-voltage cable that overcomes the triple extremes of ultra-low temperature, high voltage, and intense radiation, supporting breakthroughs in superconductivity and quantum research. IV. Cryogenic Ultra-High Vacuum Polyimide Cable (TH/J-PIPIP-DYT)
Core Positioning
Universal cable for dual extreme environments: aerospace/military/medical cryogenic temperatures + ultra-high vacuum
Key Application Scenarios
Signal/power transmission for space environment simulation chambers and thermal vacuum chambers
Liquid nitrogen/liquid oxygen transfer systems and aerospace propellant pipeline sensing
Internal wiring for vacuum medical equipment, electron microscopes, and mass spectrometers
Connections for cryogenic sealed compartments and radiation-resistant modules in military equipment
Technical Value
Material intrinsically stable from -269°C to +400°C
Compatible with 5×10⁻⁴ Pa ultra-high vacuum; TML < 0.8%, CVCM < 0.10%; no outgassing contamination
Low-smoke, zero-halogen, flame-retardant (HL3); scratch/abrasion resistance ≥ 20,000 cycles
A dual-extreme cable (cryogenic + ultra-high vacuum) ensuring stable operation of precision equipment in space-grade clean and cryogenic conditions.
- Polyimide-Insulated Round Copper Wire for Submersible Motors
Core Positioning
High-strength, Class H insulated winding wire for deep-well submersible/oil-filled motors
Key Application Scenarios
Stator/rotor windings for submersible motors in onshore deep wells and offshore platforms
Specialized motors for high-temperature, high-pressure, and oil/gas corrosive environments
Insulated wire cores for submersible pumps, water injection motors, and downhole tools
Technical Value
Mechanical strength ≥ 80 MPa; resistant to oil, water, and high temperatures
Extruded insulation offers higher PDIV; partial discharge performance significantly superior to wrapped wires
15% weight reduction and 5–10% smaller outer diameter; improves slot fill factor and power density
Scratch/abrasion resistance up to 20,000 cycles; long service life and maintenance-free
Extruded PI round wire designed for submersible motors; supports deep-well and offshore oil/gas extraction through high strength, oil/gas resistance, and long service life. VI. High Vacuum (HV) Wire and Cable Series (TST HV S / J / D)
Core Positioning
General-purpose signal/power cables for industrial high-vacuum environments (10⁻³ to 10⁻⁷ mbar)
Key Application Scenarios
Vacuum coating, PVD/CVD, and ion implantation equipment
Standard electron microscopes, vacuum furnaces, and heat treatment equipment
Scientific research vacuum platforms, metallurgy, and medical analytical instruments
Technical Value
Insulation materials: PEEK/PTFE/FEP/ETFE; clean with low outgassing
Temperature rating: 80–150°C; compatible with O-ring sealed connectors
Single-core/multi-core, solid/stranded conductors; suitable for both fixed and flexible routing
Industrial-grade high-vacuum cables providing stable, clean in-vacuum transmission for coating, microscopy, and heat treatment applications.
VII. Ultra-High Vacuum (UHV) Wire and Cable Series (TST UHV S / J / D)
Core Positioning
Ultra-clean cables for semiconductor, quantum, and particle physics (10⁻⁷ to 10⁻¹² mbar)
Key Application Scenarios
Wiring for UHV chambers in lithography, etching, and thin-film deposition equipment
Beam monitoring for synchrotron radiation, particle accelerators, and colliders
Quantum computing and quantum sensing systems (cryogenic temperatures + UHV)
Surface science and space simulation (non-magnetic, low-permeation, zero-contamination requirements)
Technical Value
ASTM E595 compliant: TML < 1%, CVCM < 0.1%; bakeable up to 250°C
Operating range: 4K to 300°C; radiation resistance: 10⁹ rad; non-magnetic; extremely low permeability
All-metal sealing via CF flanges; compatible with top-tier vacuum systems
Ultra-clean UHV cables setting the standard for in-vacuum connectivity in semiconductor, quantum, and high-energy physics sectors. VIII. TST PEEK-Insulated Radiation-Resistant Cable
Core Positioning
General-purpose cable for nuclear industry, medical, and high-vacuum applications requiring radiation and high-temperature resistance.
Key Application Scenarios
Nuclear power plant nuclear island instrumentation, radiation monitoring, and safety DCS systems
Radiotherapy equipment, particle accelerators, and industrial CT high-radiation inspection
High-vacuum equipment, high-temperature servo motors, and traction systems
Technical Value
Radiation resistance up to 10⁹ rad; insulation resistance >1×10¹⁶ Ω·cm
-65°C to 250°C; unfilled natural-color PEEK; low outgassing
Complies with Class 1E safety and service life requirements for nuclear power
PEEK radiation-resistant cables provide lifelong radiation and high-temperature resistance for nuclear power, medical radiotherapy, and high-vacuum applications.
- TST CP/P Ultra-High Vacuum Coaxial Cable
Core Positioning
High-frequency, low-loss microwave/RF coaxial cable for confined spaces within vacuum chambers.
Key Application Scenarios
Signal readout for particle detectors and silicon drift detectors
Vacuum RF experiments, microwave transmission, and dynamic flexible cabling
Superconducting systems and qubit control signal transmission
Technical Value
Impedance 50Ω ±2%; shielding coverage >90%
-269°C to 200°C; stable in liquid helium temperature ranges
Low outgassing; halogen-free; HV/UHV compatible
UHV coaxial RF cables provide clean signal channels for high-frequency, space-constrained, and cryogenic vacuum environments. X. TST PI Radiation-Resistant & High-Temperature Polyimide Cables
Core Positioning
Seamless extruded PI insulation for all application scenarios; a complete replacement for wrapped-tape cables.
Key Application Scenarios
Rail transit traction systems; aerospace high-temperature power systems
New energy vehicle drive motors; industrial servo/variable-frequency motors
Nuclear power; deep-earth exploration; marine engineering; medical equipment
Semiconductors; general-purpose connections for cryogenic/ultra-high vacuum systems
Technical Value
Seamless extruded PI; temperature range 4K to 300°C; vacuum <10⁻¹⁰ mbar
Radiation resistance up to 10⁹ rad; insulation resistance >1×10¹⁶ Ω·cm
Single-core, multi-core, and twisted-pair configurations; voltage ratings from 300V to 1000V
An all-round extruded PI cable; its seamless insulation, full-temperature capability, and superior radiation resistance make it the preferred choice for extreme operating conditions.
Shared Core Advantages Across the Series
Extruded PI Revolution: Seamless, dense, uniform, and continuous; completely eliminates defects between wrapped layers, gas leakage, and dielectric breakdown issues
Ultra-wide Temperature Range: -269°C (4K) to 300°C; covers all scenarios from liquid helium environments to high-temperature chambers
High Radiation Resistance: 1×10⁹ rad; meets the highest standards for aerospace, nuclear power, and particle accelerators
Ultra-high Vacuum Performance: TML <1%, CVCM <0.1%; bakeable; non-magnetic and low outgassing
Lightweight: 15–20% lighter than traditional wrapped cables; smaller outer diameter for optimized routing
Safety & Compliance: Low-smoke, zero-halogen, flame-retardant (EN45545-2 HL3); fully certified for military, railway, and marine classification standards
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