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Fire Testing Equipment

UL 94 Horizontal / Flammability Tester

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THIS PART OF UL 94 AND IEC 60695-11-10 specifies standard test methods for evaluating the flammability of plastic materials used in electrical devices, appliances, and components.
The DNG UL 94 Horizontal and Vertical Flame Chamber is a precision fire testing instrument designed to determine the burning characteristics of polymers under controlled laboratory conditions.

Engineered and manufactured by DNG Technologies – India’s leading fire testing equipment manufacturer, this UL 94 Flame Chamber ensures accurate, repeatable results for horizontal and vertical flame tests in compliance with international standards. Ideal for testing labs, R&D centers, and manufacturers of electrical, automotive, and construction materials, it delivers reliable plastic flammability testing for quality and safety certification.

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Features & Technical Specifications

Technical Specification:

  • Combustion Chamber:
     Bench-mounted, stainless-steel draft-free chamber with a 0.5 m³ internal volume, interior light, and exhaust fan for safe evacuation of combustion gases.

  • Viewing Window:
     Large toughened safety-glass door offering a clear view of specimens during testing.

  • Specimen Holders:
     Designed for horizontal (½” × 5”) and vertical (8 × 2) burning tests for thin materials.

  • Adjustable Supports:
     Fully adjustable horizontal and vertical specimen supports for flexible test configurations.

  • Burner System:
     UL 94-compliant burner with angle adjustment (45° / 90°), precision gas flow meter, pressure regulator, and pressure gauge for consistent flame application.

  • Digital Controls:
     Equipped with three digital timers (range 0–999.9 sec, 0.1 sec resolution) for accurate test-duration measurement.
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  • Test Accuracy:
    ± 2 % accuracy at full range, with 10 mm ± 1 mm burner-to-specimen distance and 20 mm ± 1 mm flame length for precise repeatability.
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  • Standards Comply
    IEC 60695-11-10 Fire Hazard Testing
    UL 94 Horizontal & Vertical Flame Tes

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