UN Recommendations on the Transport of Dangerous Goods — Manual of Tests and Criteria, Part III, Subsection 33.2.1.4, Test N.1: Test method for flammable solids
Complies with the above standards and their equivalent national or industry standards.
Solid Burning Rate Tester
This instrument is designed to determine the burning rate of granular, pasty, and powdery solid substances. By forming the sample into a strip of specified dimensions and igniting it with a standard flame, the instrument precisely records the flame propagation time over a specified burning distance to calculate the burning rate. This parameter is the core basis for classifying substances as flammable solids and determining their transport packaging groups, providing critical technical support for pesticide registration, hazardous chemical storage safety assessment, and flammability identification of hazardous waste.
Test Parameters
Burning Rate, Flame Propagation Time, Burning Distance
Application
Chemicals, Pesticides, Environmental Protection
Features
Specifications
Standards
Applications
Videos
Features
Embedded processor, Windows CE operating system.
8-inch LCD touchscreen displaying real-time test status.
Integrated dual-function design: sieve test and burning rate test in one instrument.
Suitable for testing both non-metallic and metallic powder samples.
Equipped with standard stacking mold and ergonomic shaking handle.
Sieve test strictly complies with standards, using an ignition gun without gas cylinder for enhanced safety.
Burning rate test employs a silicon nitride rod ignition source with high thermal stability; integrated temperature monitoring ensures ignition temperature exceeds 1000°C.
Fully automatic infrared flame detection technology reliably identifies open flames and smoldering, ensuring detection accuracy.
Built-in fault detection with audible and visual alarms for enhanced safety.
Fully automated test process with no manual intervention; supports parameter configuration, data storage, and report generation.
Compatible with both gas igniter and silicon nitride rod ignition methods.
Specifications
| Operating Environment | -5–45 °C, <95% RH |
| Combustion Detection Method | Near-infrared (NIR) spectroscopy |
| Ignition Source Temperature | ≥1000 °C |
| Ignition Methods | Gas igniter and silicon nitride rod |
| Combustion Detection Stroke | 0–250 mm |
| Burning Rate Measurement Accuracy | ±0.5 mm |
| Burning Rate Detection Range | 250 mm/s |
| Timing Range | 5 min (non-metallic); 20 min (metallic) |
| Timing Display Resolution | 0.1 s |
| Stacking Mold | 260 mm (L) × 20 mm (W) triangular cross-section mold with 10 mm internal height |
| Combustion Plate | Made of corundum-mullite, an impermeable, non-combustible, low-thermal-conductivity plate. High-temperature quartz option available. |
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Q&A
What does a solid burning rate test measure?
It measures how fast a flame propagates through a prepared strip of granular, pasty, or powdery solid material under specified test conditions.
Why is burning rate important for flammable solid classification?
Burning rate is a key parameter used to determine whether a substance should be classified as a flammable solid and to support transport packaging group assessment.
What sample types can be tested with this instrument?
The instrument is suitable for granular, pasty, and powdery solid substances, including many chemical, pesticide, and waste-related samples.
What standards does this tester comply with?
It is designed for flammable solid testing in accordance with standards such as UN Test N.1, GB/T 21618-2008, NY/T 1860.15-2010, GB 5085.4, and GA/T 536.
How is the burning rate calculated?
The sample is formed into a strip of specified dimensions, ignited with a standard flame, and the instrument records the flame propagation time over a defined burning distance to calculate the burning rate.
