Fabric Horizontal Burning Tester | FMVSS 302 & ISO 3795 Horizontal Flammability Test Chamber Manufacturer

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Features

Dual-Chamber Structure: Isolated electrical control unit and combustion chamber enhance safety and operational stability.

Multi-Material Testing: Suitable for automotive interiors, public transport components, and industrial textiles.

Adjustable Ignition System: Angled burner (0° or 45°) with precise燃气pressure control (0-50kPa).

High-Precision Measurement: Accurately tracks flame spread distance and time (resolution: 0.1s).

User-Friendly Interface: Digital display for real-time monitoring and data storage.

Compliance-Driven: Aligns with ASTM, ISO, SAE, and DIN standards for global market access.

Parameters

Accessoriess

A. Automatic gas control system (1 set);

B. DIN 75200 (Vehicle Interior Materials) testing accessories:

Includes: 1 burner, 2 nozzles;

C. SAE J369 (Polymer Interior Materials) testing accessories:

Includes: 1 burner, 2 nozzles;

D. ASTM D5132 (Polymeric Materials in Motor Vehicle Interiors) testing accessories:

Includes: 1 burner, 2 nozzles;

E. Other testing standards: 1 burner and 1 nozzle each.

Test Procedures

1. Take out the pre-treated sample. Place the sample with a napped or tufted surface flat on a level surface. Use a metal comb conforming to the requirements of 4.2.5 to comb the napped surface twice in the opposite direction of the pile.

2. Light the gas lamp with the air inlet closed. Adjust the flame using the flame height indicator plate so that the flame height is 38 mm. Before starting the test, the flame should burn steadily in this state for at least 1 minute, and then be extinguished.

3. Mount the sample in the sample holder with the exposed surface facing downwards. Install the sample so that both sides and one end are clamped by the U-shaped holder, and the free end is aligned with the opening of the U-shaped holder. Only when the sample width is insufficient for the U-shaped holder to clamp the sample, or when the free end of the sample is soft and easily bent, causing unstable combustion, should the sample be placed on a sample holder with heat-resistant metal wires for the combustion test.

4. Push the sample holder into the combustion chamber. Place the sample in the center of the combustion chamber in a horizontal position. Light the gas lamp with the air inlet closed, and adjust the flame height to 38 mm. Ignite the free end of the sample in the flame for 15 seconds, then extinguish the flame (close the gas lamp valve).

5. The flame burns forward from the free end of the sample. Start timing the moment the base of the propagating flame passes the first mark. Observe the flame propagation on the faster burning side, and the timing should be based on the faster burning side.

6. Stop timing when the flame reaches the second mark or when the flame is extinguished before reaching the second mark. The timing should also be based on the faster burning side. If the flame is extinguished before reaching the second mark, measure the burning distance from the mark to the point where the flame is extinguished. The burning distance refers to the length of the burned portion on the surface or inside the sample.

7. If the non-exposed surface of the sample has been cut, the timing should be based on the flame propagation speed of the exposed surface. 8. The requirements for burning rate do not apply to surfaces formed by cutting the test specimen.

9. If the specimen burns slowly for an extended period after the start of timing, the test may be stopped after 20 minutes, and the burning time and burning distance should be recorded.

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