Aerospace Wire And Cable Testing

GRGTEST has established comprehensive capabilities for material analysis, physical characteristic analysis, functional performance testing, reliability verification, failure analysis, and lifetime assessment of aerospace wires, cables, connectors, and assemblies.

Material Qualification and Selection

Product Characterization Tests

Qualification Testing

Design Verification

Commissioned Testing

Localization Verification

Tender Compliance Testing

Project Acceptance Testing

System Integration Testing

Field Testing

Lifetime Assessment and Failure Analysis

Service Targets

Wires and Cables

Radio Frequency Cables

Electrical Connectors

Fiber Optic / Optoelectronic Connectors

RF Connectors

Wire Harnesses

GJB 773B-2015 General Specification for Fluoropolymer Insulated Wires and Cables for Aerospace

GJB 17.2~17.21 Test Methods for Aeronautical Wires and Cables

GJB 77 Polyvinyl Chloride Insulated Nylon Sheathed Wires and Cables for Aviation

GJB 1640-1993 Variety and Cross-Section Series of Conductors for Aerospace Wires and Cables

GB/T 42096-2022 Performance Requirements for Aircraft Fire Resistant Cables

GB/T 35852-2018 Conductor Dimensions and Characteristics for Aircraft General Purpose Cables and Aerospace Applications

GB/T 33343-2016 Test Methods for Aircraft Insulated Wires

GJB 2594-1996 Radio Frequency Cables for Aircraft

GJB 973A General Specification for Flexible and Semi-Rigid Radio Frequency Cables

GJB 1217A Test Methods for Electrical Connectors

GJB 4027A-2006 Destructive Physical Analysis Methods for Military Electronic Components - Low Frequency Electrical Connectors

GJB 599B-2012 General Specification for Environment Resistant, Quick Disconnect, High Density, Small Circular Electrical Connectors

GJB 681A-2002 General Specification for Radio Frequency Coaxial Connectors

GJB 177A-99 General Specification for Rectangular Electrical Connectors with Crimp Contacts

(1) Physical Characteristics Tests:

Outer Diameter, Sheath Thickness, Concentricity, Braid Density, Appearance & Dimensions, Interface Definition, Pin Coplanarity, Solderability, Resistance to Soldering Heat, etc.

(2) Electrical Performance Tests:

Electrical Continuity, DC Resistance, Voltage Withstand, Sheath/Insulation Stripability, Insulation Surface Resistance, etc.; Voltage Withstand, Contact Resistance, Insulation Resistance, Permeability, Electrical Continuity, RF High Potential Voltage Withstand, Corona Level, etc.

(3) Data Transmission Performance Tests:

Attenuation Constant, Characteristic Impedance, Insertion Loss, Return Loss, VSWR, Differential Impedance, Far-End Crosstalk (FEXT), Near-End Crosstalk (NEXT), Eye Diagram, Intra-Pair Skew, Inter-Pair Skew, Attenuation, Delay, Phase Difference, etc.

(4) Mechanical Performance Tests:

Conductor Elongation at Break and Breaking Force, Sheath Tensile Strength and Elongation at Break, Service Aging, Connection Torque, Mounting Fixity, Accessory Thread Strength, Bending Moment, Engagement & Separation, Contact Retention, Mounting Plate Bond Strength, Cable Retention, Insertion & Extraction Force, Engagement & Separation Force, Insertion & Withdrawal Force, Impact, Mechanical Life, Bending at Seal, etc.

(5) Environmental Stress Tests:

Resistance to Dynamic Cut-Through, High Temperature Life, High/Low Temperature Wrap, Low Temperature Bend, Thermal Shock, Adhesion, Humidity, Flammability, Smoke Emission, Smoke Density, Dry/Wet Arc Resistance, Forced Hydrolysis, Thermal Index, Extreme Low Temperature Resistance, etc.; Salt Spray, Humidity, Thermal Shock, Low Pressure, High Temperature Life, Ozone, Fire Resistance, Low Temperature & Low Pressure, Flammability, Fluid Immersion, Sand & Dust, Vibration & Shock, etc.

CNAS Accreditation

• GRGTEST has substantial experience in wire and cable testing and qualification, providing one-stop testing and qualification services:
• Established 6 specialized laboratories nationwide, featuring professional multi-disciplinary expert teams and internationally advanced testing equipment.
• Matches the most appropriate product verification standards based on cable type and usage environment, developing detailed quality verification plans.
• Conducts wire and cable quality ratings based on reliability test results, providing a basis for product selection by users.
• Offers professional failure analysis services for wires and cables that fail in the field, identifying the root cause of failure and helping customers improve quality.

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