Testing Products

General Electrical Cables: Polyvinyl chloride (PVC) insulated cables for rated voltages up to and including 450/750 V, rubber insulated cables, plastic insulated control cables

Power Cables: Cables for rated voltages of 1 kV (Um = 1.2 kV) and 3 kV (Um = 3.6 kV)

Flame-retardant cables, low-smoke halogen-free (LSZH) environmentally friendly cables

Cross-linked polyolefin insulated wires and cables

Bare wires, photovoltaic (PV) cables, mineral insulated (MI) cables, cables for rail transit, cables for electric vehicles (EV)

Testing Items

Product Structural Performance:

Conductor, insulation, sheath, armoring, filler, etc.

Electrical Performance:

Conductor DC resistance, AC voltage withstand test, insulation resistance, flexing (flex life/flexibility) test, bending test, etc.

Physical and Mechanical Performance:

Tensile strength and elongation test, mass loss test, low temperature test, hot set (thermal elongation/extensibility) test, high temperature pressure test, thermal shock test, thermal shrinkage test, etc.

Burning Characteristics:

Bundled cable burning (flame propagation) test, fire resistance (circuit integrity) test, single vertical wire flame test, halogen-free (corrosivity) test, low smoke generation (smoke density) test, carbon black content, etc.

Environmental Tests:

Natural air (air oven) aging, ozone resistance, etc.

Testing Standards

GB/T 5023 series, GB/T 5013 series, GB/T 9330 series

GB/T 12706.1-2020

GB/T 19666-2019, GB/T 18380 series, GB/T 19216, GB/T 17650, GB/T 17651

JB/T 10491 series, GB/T 4909 series

GB/T 2951 series, GB/T 3048 series