Precision in Fire Safety: Understanding the Single Burning Item (SBI) Test Apparatus for Building Materials

In the global construction industry, fire safety is the cornerstone of material compliance. As urban development accelerates, the demand for rigorous testing of building products has never been higher. Baoruitong Automation Equipment Co., Ltd. is leading the way in fire science technology with its advanced Single Burning Item (SBI) Test Apparatus, a critical instrument for determining the “Reaction to Fire” performance of building materials.

What is a Single Burning Item (SBI) Test?

The SBI test is a standardized method used across Europe and internationally to evaluate how building products—excluding flooring—respond to thermal attack by a single burning item. This test is essential for classifying materials under the Euroclass system (EN 13501-1).

The apparatus measures key fire hazard parameters, including:

  • Heat Release Rate (HRR): How much energy the material contributes to the fire.
  • Smoke Production Rate (SPR): The density and volume of smoke generated, critical for evacuation safety.
  • Flame Spread: The speed and extent of fire movement across the surface.
  • FIGRA (Fire Growth Rate Index): A representative value of the maximum growth rate of the fire.

Engineering Excellence: Precision, Repeatability, and Traceability

Baoruitong’s SBI Test Apparatus is engineered to provide the highest levels of precision, repeatability, and traceability. The system is designed to meet and exceed the most stringent international standards, including:

  • BS EN 13823:2010
  • CSN EN 13501-1+A1:2009
  • CSN EN 13823+A1:2014
  • GB/T 20284:2006

By utilizing high-accuracy oxygen and carbon dioxide sensors, the equipment ensures that every test result is a true reflection of the material’s fire behavior, allowing manufacturers to secure the necessary certifications for global market entry.

Rigorous Quality Control Before Delivery

To ensure that every laboratory receives a turnkey solution, Baoruitong implements a comprehensive three-step quality control protocol before any equipment is shipped:

  1. Installation Inspection: A full audit of the assembly, structural integrity, and the complex airflow system to ensure aerodynamic stability.
  2. Burning Test: Verification of combustion performance using actual test cycles to ensure the burners and heat sensors respond with millisecond precision.
  3. Data Calibration: Confirmation of stable and traceable test data, ensuring the software and hardware are perfectly synchronized for long-term laboratory use.

Global Support and 1-Year Warranty

Baoruitong Automation Equipment Co., Ltd. is committed to long-term partnerships with research institutes and testing laboratories. All SBI Test Apparatuses come with a 1-year comprehensive warranty, covering all core components and manufacturing defects. Our technical team provides expert support to ensure your equipment remains calibrated and compliant with evolving fire safety regulations.


FAQ

Q1: Which materials can be tested using the SBI apparatus?

A: The SBI test is designed for flat building products, such as wall linings, sandwich panels, insulation materials, and decorative cladding. It is the primary test method for determining Euroclasses A2, B, C, and D.

Q2: Why is FIGRA so important in the BS EN 13823 standard?

A: FIGRA (Fire Growth Rate Index) is a key metric that determines how quickly a fire will escalate once the material is ignited. A lower FIGRA value indicates a safer material that provides more time for occupants to escape.

Q3: How does the equipment handle smoke measurement?

A: The apparatus features a sophisticated light obscuration system in the exhaust duct. By measuring the reduction in light intensity caused by smoke particles, it accurately calculates the Smoke Production Rate (SPR) and Total Smoke Production (TSP).

Q4: Does the machine require a specialized laboratory environment?

A: Yes. Because the SBI test involves controlled combustion and precise airflow, it requires a dedicated testing room with specific dimensions and a robust exhaust system to safely remove combustion by-products.

Q5: Is the software compatible with modern LIMS (Laboratory Information Management Systems)?

A: Baoruitong’s SBI software is designed with data export capabilities that allow for seamless integration with most modern laboratory databases, facilitating easy record-keeping and report generation.