The UL 94 Chamber, also known as the Horizontal Vertical Flame Chamber, is a specialized flammability test chamber designed to assess the combustibility of plastic materials used in electrical devices, appliances, and industrial applications. The QualiFlame™ UL94 is engineered to comply with UL 94 standard, as well as ASTM D635, ASTM D3801, ASTM D4804, ASTM D4986, ASTM D5048, ISO 1210, ISO 9772, ISO 9773, IEC 60695-11-10, IEC 60695-11-20, and IEC 60707, ensuring precise and standardized flame testing.

This horizontal/vertical flame chamber UL 94 allows for both horizontal and vertical burning tests (50W/500W), making it an ideal ASTM plastic chamber testing solution for research labs, quality control, and material certification.

Applications of the UL 94 Chamber

Flammability Testing of Plastic Materials – Ensures compliance with UL94 flammability classifications for electronics, automotive, and industrial applications.
ASTM Plastic Chamber Testing – Ideal for manufacturers and laboratories conducting horizontal/vertical flame chamber evaluations.
Quality Control & Material Certification – Used in safety and compliance testing for consumer electronics, aerospace, and appliance components.
Research & Development – Supports new material testing to determine fire resistance characteristics before commercialization.

Why Choose the QualiFlame™ UL 94 Flammability Test Chamber?

Fully compliant with the UL 94 standard, ASTM, ISO, and IEC test methods
Performs horizontal and vertical flame chamber tests with precision
Compact, easy-to-use design for both laboratory and industrial applications
Advanced gas flow control and flame calibration for accurate results
Durable, corrosion-resistant construction with enhanced safety features

The QualiFlame™ UL94 Horizontal/Vertical Flame Chamber is a reliable, high-precision flammability test chamber, delivering accurate and repeatable results for fire safety compliance and material testing.

UL 94 Flammability Chamber – Horizontal Vertical Flame Chamber includes the following Features:

1. Compact, Space-Efficient Design

The chamber has a compact footprint with a total volume of 0.75 cubic meters, making it suitable for bench-top placement.

2. Compliance with International Standards

Fully meets UL 94 standard, along with ASTM, ISO, and IEC flammability testing requirements.
Enables horizontal and vertical flame chamber testing with accurate burn classifications.

3. Advanced Flame Control System

Equipped with a Bunsen burner compliant with ASTM D5207, capable of generating 50W and 500W flames.
Mass flow meter with digital display ensures precise methane gas regulation, maintaining stable flame intensity.

4. High-Precision Flame Calibration

Integrated K-type thermocouple (0.5mm diameter, 0.1°C resolution) for accurate flame temperature measurement.
Adjustable flame height gauge for precise flame size control during tests.

5. Versatile Sample Fixtures & Testing Angles

Motorized sample holder for vertical testing, ideal for materials that shrink during combustion.
Adjustable burner carriage allows for 0°, 20°, and 45° testing angles, ensuring standardized horizontal/vertical flame chamber UL 94 testing.

6. Enhanced User Convenience

Tempered glass observation door for easy specimen monitoring.
Anti-corrosion black-coated interior walls improve visibility of flame and material behavior during testing.
Remote-controlled timing system with 0.1-second accuracy for precise test event logging.

7. Efficient Safety & Ventilation System

Built-in fume extraction system at the chamber’s top for rapid removal of combustion gases.
Stainless steel specimen holders provide durability and secure sample placement.

UL 94 Flammability Chamber – Horizontal Vertical Flame Chamber QualiFlame™ UL94 Technical Specifications

Standards	Test Methods	Classification
UL 94 Clause 7 ASTM D635 IEC 60695-11-10 Method A	50W, Horizontal Burning Test	HB
		HB40
		HB75
UL 94 Clause 8 ASTM D3801 IEC 60695-11-10 Method B	50W, Vertical Burning Test	V-0
		V-1
		V-2
UL 94 Clause 9 ASTM D5048 IEC 60695-11-20	500W, Vertical Burning Test	5VA
UL 94 Clause 9 ASTM D5048 IEC 60695-11-20	500W, Vertical Burning Test	5VB
UL 94 Clause 11 ASTM D4804 ISO 9773	50W, Thin Material Vertical Burning Test	VTM-0
		VTM-1
		VTM-2
UL 94 Clause 12 ASTM D4986 ISO 9772	500W, Horizontal Burning Foamed Material Test	HBF
		HF-1
		HF-2

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UL94: The Standard for Safety of Flammability of Plastic Materials

Fire safety is a crucial factor in industries that rely on plastic materials, especially in electronics, automotive, appliances, and construction. Since plastics are widely used due to their durability and lightweight properties, understanding their flammability characteristics is essential.The UL 94 standard, developed by Underwriters Laboratories (UL), provides a comprehensive classification system to determine how plastic materials react when exposed to flame.If you are designing or selecting plastics, understanding UL94 ratings ensures compliance with safety regulations and reduces fire…

UL 94 Flammability Chamber – Horizontal Vertical Flame Chamber