Ignitability Tester for Building Materials: EN ISO 11925-2 Test | BRT
How do you determine if a wall panel or floor tile is truly safe for a high-rise building? The answer starts with a single flame.
In the rigorous world of construction safety, the “reaction to fire” performance of a material is the baseline for legal compliance and human safety. Before a product can be classified into Euroclasses B, C, D, or E, it must first clear a critical hurdle: the Single-Flame Source Test according to EN ISO 11925-2. This test, often referred to as the “small burner box” test, evaluates how easily a product ignites when subjected to a direct, localized flame.
As a leading manufacturer of fire safety and laboratory testing instruments, Baoruitong Automation Equipment Co., Ltd. (BRT) highlights the technical importance of precise ignitability testing and introduces the JCKR Building Material Combustibility Test Apparatus — engineered to deliver stable, repeatable data for manufacturers and certification labs worldwide.
What is the Single-Flame Source Test (EN ISO 11925-2)?
The Single-Flame Source Test is a method used to determine the ignitability of building products by direct impingement of a vertical single-flame source. Unlike larger-scale tests like the SBI (Single Burning Item), this test focuses on the early stages of fire:
- Direct Flame Application: A small premixed flame is applied to the surface or edge of a specimen at a 45° angle.
- Controlled Environment: The test is conducted in a combustion chamber designed to protect the flame from external drafts while providing natural ventilation.
- Assessment of Flaming Droplets: Beyond simple ignition, the test also monitors whether the material produces flaming droplets or particles that could ignite a filter paper placed below, a key factor in fire spread risk.
Key Features of a Modern Ignitability Tester
Precision in fire testing is the difference between a reliable fire rating and a failed regulatory audit. High-quality systems, such as the BRT JCKR, integrate several advanced features to ensure data integrity:
- Fully Automated Control: Features like high-voltage electronic auto-ignition and automatic burner retraction (after 15s or 30s exposure) eliminate human error and improve test repeatability.
- Motorized Positioning: To accommodate specimens up to 60mm thick, modern testers use electric vertical lifting for the sample holder and motorized multi-axis movement for the burner.
- Durable Construction: A 1.5mm thick stainless steel integrated cabinet ensures a long service life and resistance to the corrosive gases produced during combustion.
- Real-Time Monitoring: Dual tempered heat-resistant glass windows and a rear metal mirror (to monitor the back of the sample) allow safe, comprehensive visual observation.
Why Manufacturers Need the JCKR Apparatus
For manufacturers of insulation boards, decorative panels, and composite materials, passing the EN ISO 11925-2 test is the “passport” to the global market. It proves that their “flame-retardant” claims are backed by quantifiable standards.
The BRT JCKR provides a unified solution that complies with:
- EN ISO 11925-2:2020 (International)
- GB/T 8626-2026 (China)
- DIN 4102-1 Class B2 (Germany)
FAQ
What is the difference between surface ignition and edge ignition? In EN ISO 11925-2, the flame can be applied to the center of the surface or to the bottom edge of the specimen. Multi-layer products often require edge ignition to determine if core materials are more flammable than the outer skin.
Which Euroclasses require the EN ISO 11925-2 test? This test is mandatory for materials aiming for Euroclass classifications B, C, D, and E (and their flooring equivalents Bfl, Cfl, Dfl, Efl).
What fuel is required for the burner? The standard specifies commercial-grade propane gas with a purity of at least 95%.
Does the BRT JCKR come with specimen preparation tools? Yes, the system is supplied with a full set of standard accessories, including specimen preparation moulds, flame height gauges, and burner positioning tools.
How do I export the test data? The JCKR features a built-in data management system allowing users to browse and export historical data via USB for full traceability.
Get a Quote Today
Need a reliable ignitability tester for your building material certification? Contact Baoruitong Automation Equipment Co., Ltd. today for a customized quotation and technical datasheet.
Email: info@brt-test.com | WhatsApp: +86 15604057553 | Web: www.brt-test.com