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The TH8014+ vertical and horizontal flame‑testing apparatus is suitable for evaluating the flame‑resistance of various organic materials, including wire and cable insulation and jacketing, printed circuit board substrates, and IC insulators. During testing, the specimen is positioned at the tip of a flame source, exposed to flame for 15 seconds, then allowed to cool for 15 seconds; this cycle is repeated five times, after which the extent of burning is assessed. The device allows users to set the flame‑exposure and cooling durations as well as the number of cycles, and it operates automatically. It is ideal for straightforward factory‑level compliance testing in accordance with UL 1581, UL 13, UL 444, UL 1655 (VW‑1), and CSA FT‑1 standards.
The TH8155 Oxygen Index Tester is used to determine the volume percentage of oxygen required for a polymer to sustain combustion, thereby assessing the material’s ease of ignition and flame spread in air. It is suitable for evaluating the combustion performance of materials such as wood, plastics, rubber, fibers, and foam plastics. The oxygen index of a polymer is defined as the minimum volume concentration of oxygen in an oxygen–nitrogen mixture that allows the material to maintain combustion over a distance of 50 mm or for a duration of 3 minutes after ignition. This method provides accurate, highly reproducible measurements of polymer flammability, with results expressed as a numerical value. The instrument is designed in accordance with the GB/T 2406 standard “Plastics — Determination of the Oxygen Index.” It also complies with JIS K 7201, BS 2782, ANSI/ASTM D2863, ISO 4589, and GB/T 2406 standards.
The TH8055 Glow Wire Tester heats an electric heating wire of specified material (Ni80/Cr20) and shape (a Φ4 mm nickel‑chromium wire) to the test temperature (550°C–960°C) using a high current for 1 minute. It then applies a prescribed force (1.0 N) to vertically press the heated wire against the test specimen for 30 seconds, assessing the ignition risk of finished electrical and electronic equipment by determining whether the specimen and underlying substrate ignite or sustain combustion. The instrument also evaluates the ignitability, glow‑wire ignition temperature (GWIT), flammability, and glow‑wire flammability index (GWFI) of solid insulating materials and other solid combustible substances. The glow wire tester is suitable for research, production, and quality‑control departments of lighting equipment, low‑voltage electrical appliances, electrical instruments, and other electrical and electronic products and their component parts.
This instrument complies with the requirements of GB 8410-2006, TL 1010, GM 6090M, DIN 7520, and GM 9070P, and is suitable for determining the flame‑retardant performance of automotive interior materials.
The tracking test (electrical tracking index test) is a simulated laboratory procedure specified in standards such as IEC 60112, UL 746A, GB/T 4207, GB 4706.1, and ASTM D 3638‑92. In this test, a conductive liquid (0.1% NH₄Cl) of a prescribed drop volume is applied at a fixed voltage, for a set duration (30 s), and at a defined height (35 mm) between platinum electrodes of specified dimensions (2 mm × 5 mm) on the surface of solid insulating materials. The test evaluates the resistance of solid insulating materials to electrical tracking under the combined effects of an electric field and a moist or contaminated environment, determining their comparative tracking index (CTI) and proof tracking index (PTI). This method is applicable to research, production, and quality‑control departments in sectors such as lighting equipment, low‑voltage electrical appliances, household appliances, machine‑tool electrical devices, electric motors, power tools, electronic instruments, electrical measuring instruments, and information‑technology equipment. It is also suitable for industries dealing with insulating materials, engineering plastics, electrical connectors, and related components.
This instrument is suitable for testing the tracking and erosion resistance of electrical and electronic products, household appliances, and their materials. It simulates, under power-frequency conditions (48 Hz to 62 Hz), the effects of liquid contaminants on inclined test specimens, enabling the assessment—through measurement of tracking and erosion—of the tracking and erosion resistance rating of electrical insulating materials used in harsh environmental conditions. This equipment is designed and manufactured in strict accordance with GB/T 6553-2003 and IEC 60587-1984.
