Small Flame Burning Test Chamber
The Small Flame Burning Test Chamber is designed using advanced testing technology to evaluate the reaction-to-fire performance of materials when exposed to a small flame. A single flame is applied vertically to the surface and lower edge of the specimen to assess its behavior after direct flame impingement.
The instrument is mainly used for flammability assessment of construction materials and other combustible products, providing critical data for fire safety classification and regulatory compliance.
Applications
The Small Flame Burning Test Chamber is widely used in fire reaction testing of materials and finished products, including but not limited to:
(1)Building insulation materials (EPS boards, XPS boards, mineral wool, polyurethane foam)
(2)Interior decorative materials (wall coverings, decorative panels, laminates)
(3)Cable insulation and sheathing materials
(4)Plastic sheets, films, and profiles
(5)Textiles and coated fabrics used in construction
(6)Flooring materials (PVC flooring, carpets, underlays)
(7)Sandwich panels and composite building products
(8)Fire performance evaluation of new construction materials for R&D and certification
Standards
The instrument is designed in accordance with and suitable for the following international standards:
(1)ISO 11925-2 – Reaction to fire tests for building products – Ignitability of products subjected to direct impingement of flame
(2)DIN 4102-1 – Fire behavior of building materials and components – Part 1: Building materials; concepts, requirements and testing
(3)DIN 4102 B2 – Normal flammability test for building materials
(4)UNI 8456 – Reaction to fire tests on materials – Small flame test
(5)UNI 8457 – Reaction to fire tests – Determination of ignitability by small flame
Product Features
(1)Stainless steel combustion chamber with excellent corrosion resistance and long service life
(2)Vertical single-flame application to specimen surface and bottom edge, fully compliant with standard requirements
(3)Glass observation doors on front and side for clear and safe test monitoring
(4)Precision propane burner equipped with a micro-adjustment valve for accurate flame control
(5)90° sliding specimen holder system for stable and repeatable positioning
(6)Integrated flame height measuring device to ensure test consistency
(7)Equipped with standardized burner pads (16 mm and 5 mm)
(8)Reflective mirror design for improved observation of flame behavior
(9)Metal basket for collecting molten droplets with standard filter paper
Technical Parameters
| Item | Specification |
|---|---|
| Chamber Dimensions (W × D × H) | 700 × 800 × 400 mm |
| Chamber Material | Stainless steel |
| Weight | Approx. 35 kg |
| Fuel Gas | Propane |
| Flame Application | Vertical, surface and bottom edge |
| Measured Parameters | Afterflame time, afterglow time, damage length, flaming droplets, glowing particles |
| Specimen Holder (ISO 11925-2) | Stainless steel, 110 × 295 mm |
| Specimen Holder (DIN 4102 B2) | Stainless steel, 90 × 230 mm |
| Specimen Holder (UNI 8456/8457) | Stainless steel, 104 × 340 mm |
| Timer | LCD display, 1/100 s resolution, dual mode, pause and restart without reset |
| Anemometer | Hot-wire type, air velocity 0–20 m/s, temperature 20–70 °C |
FAQ
(1)What is this product?
The Small Flame Burning Test Chamber is a laboratory fire testing instrument used to evaluate the ignitability and flame spread behavior of materials when exposed to a small flame under controlled conditions.
(2)What is this product used for?
It is used to measure afterflame time, afterglow time, damage length, flaming droplets, and glowing particle release, providing essential data for reaction-to-fire classification of materials.
(3)Why is this product important?
Small flame tests are a fundamental part of fire safety evaluation. The results are often required for regulatory approval, CE marking, and material classification under national and international fire standards.
(4)What products can be tested?
The instrument can test building insulation materials, decorative panels, plastics, cables, flooring materials, textiles, composite panels, and other combustible construction products.
(5)What types or configurations are available?
Different specimen holders are available depending on the applicable standard (ISO 11925-2, DIN 4102 B2, UNI 8456/8457). Additional customized holders can be supplied upon request.
(6)How is the test performed?
The specimen is mounted vertically in the chamber, a calibrated propane flame is applied for a specified duration, and key parameters such as flame spread, burning time, and droplet behavior are observed and recorded according to the selected standard.
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