Material combustion tester

The Flooring Material Radiant Heat Flux Tester is used to test flooring  materials by exposing horizontally placed samples to an inclined radiant heat  source, ignited with a small flame. It is suitable for various flooring  materials, such as: textile carpets, cork boards, wooden boards, rubber sheets,  plastic floors, and floor coating materials.

The device reflects the combustion performance of flooring materials  including their substrates. Changes in backing, base layers, or other aspects of  the flooring material may affect test results. It is used to evaluate and  describe the combustion characteristics of flooring materials under controlled  laboratory conditions in response to fire exposure.

Standards

GB/T 11785: Determination of the burning performance of floor coverings –  Radiant heat source method

ISO 9239-1:2002: Reaction to fire tests for floorings – Part 1: Determination  of the burning behavior using a radiant heat source

Main Parameters

Maximum power: 5 kW

Timer accuracy: <1 s/h

Heat flux meter range: 0–15 kW/m²

Heat flux meter accuracy: ±0.2 kW/m²

Heat flux meter precision: < ±3%

Radiant temperature range: 400–600°C, accuracy ±0.5°C

Blackbody temperature error: ±5°C

Smoke exhaust velocity: 2.5 ± 0.2 m/s

Exhaust capacity: 39–85 m³/min

Porous refractory radiant plate size: 300 mm × 450 mm, withstands ~900°C

Thermocouples: K-type stainless steel armored, diameter 3.2 mm

Burner: Outer diameter Ø10 mm, inner diameter Ø6 mm, 35 holes Ø0.7 mm on the  burner tube

Flame height: 60–120 mm, adjustable

Ignition system: high-voltage electronic ignition

Powerful exhaust system: equipped with a strong exhaust fan to discharge  combustion gases outdoors

Equipment Structure

The machine consists of two main parts: the combustion chamber and the  control box (split or integrated models available).

Combustion chamber size: L1420 × W1200 × H2300 mm

Material: high-quality steel, CNC machined, aesthetically curved design

Burner: in-house made from 304 stainless steel, fully compliant with GB/T  11785

Other mechanical components: high-quality stainless steel or thickened A3  steel with electroplating for corrosion and rust resistance

Control System

Computer touch screen dual control: operation can be performed via the touch  screen or computer, easily switchable. Multiple computers can operate  simultaneously through LAN sharing. User-supplied computer (Win7/10), printer;  software, router, and network cables are provided with the equipment.

Includes transmittance measurement software, capable of outputting curves and  reports.

Installation Requirements (User-Supplied)

Gas and Air Supply Requirements (User-Supplied)

Gas and air supplied to the radiant plate must pass through proper pressure  and flow control valves, safety devices, and flow meters.

Gas (natural gas, methane, or propane) flow: 0.1–1.0 L/s at sufficient  pressure to overcome friction losses. Accuracy of flow meter ≥1%.

Air flow: 4.5 L/s minimum at sufficient pressure to overcome system  losses.

Gas and air have separate control valves.

Gas line includes a check valve and pressure gauge.

Electrical control valve automatically shuts off gas supply in case of power  failure, ignition failure, or air pressure/temperature drop.

Filters and flow control valves are provided in the air supply line.

FAQ

1.What is a Radiant Heat Source Method Tester?

A Radiant Heat Source Method Tester is a specialized tool designed to evaluate the effectiveness and efficiency of flooring materials when used with radiant heating systems. This tester measures how well different flooring types can conduct and retain heat, ensuring optimal energy usage and comfort in heated spaces.

2.Why is it important to test flooring materials for radiant heat systems?

Testing flooring materials for radiant heating is crucial because not all materials perform equally. Some may insulate too much, preventing effective heat transfer, while others may conduct heat efficiently, improving comfort and energy efficiency. Testing helps identify suitable materials that enhance system performance.

3.What types of flooring materials can be tested?

A wide range of flooring materials can be tested using a Radiant Heat Source Method Tester, including hardwood, laminate, tile, carpet, and vinyl. Each material behaves differently under heat, so testing helps determine the best options for compatibility with radiant heating systems.

4.How does the testing process work?

The testing process involves placing a sample of the flooring material above a radiant heat source and measuring the temperature response over time. The tester evaluates how quickly and uniformly heat is distributed across the surface, comparing results to industry standards.

5.Can I conduct these tests at home?

Generally, conducting accurate radiant heat tests at home can be challenging without the proper equipment and expertise. It is recommended to hire professionals who are familiar with the Radiant Heat Source Method, as they can provide reliable results and recommendations based on the findings.

6.What are the benefits of using the Radiant Heat Source Method?

Using the Radiant Heat Source Method allows for a precise assessment of how different flooring materials react under heat, helping homeowners and builders make informed decisions. This leads to improved efficiency, comfort, and longevity of both the flooring and the heating system.