Flame retardant test equipment is designed and developed for fire helmet safety testing, The flame retardant tester can effectively test the burning resistance of helmet. The flame retardant test equipment is manufactured according to CA 44 test standard, The GB/T 2811 safety helmet flame retardant testing machine is widely used in fire research institute, helmet production enterprises, national quality inspection dept. Flame retardant test equipment is designed to evaluate the ability of materials to resist or slow down the spread of flames.
The flame retardant test equipment included accessories : (1) Bunsen burner, nozzle diameter of 13mm±3mm (2) Radiation heat source (3) Platform: including helmet bracket, Bunsen lamp fixed adjustment bracket, radiation heat source stable activity adjustment bracket. (4) bolometer, thermal detector. If you are looking for the needle flame tester for calibration condition, definition and calibration method, please visit the related needle flame tester page.
Test Method for Flame Retardant Test Equipment : Fix the helmet on the bracket, Keep it in a horizontal position. Adjust the inner flame length of Bunsen burner to 25mm ~ 38mm, And then you put a radiant heat source on top of the helmet. So that the heat radiation flux obtained is 10kW/m2 ± 1kW/m2, irradiation 60 seconds, Without removing the radiant heat source, Aim the inner flame of the flame at 45° towards the test area of the cap top, Burning cap shell 15 seconds, After removing the flame, record the time from the cap flame to extinction, And check for clear signs of flame penetrating the interior of the cap.
|●||Flame retardant test equipment burner pulse ignition.|
|●||Burner automatic timing positioning, time to automatically return to reset|
|●||After flame time, afterglow time are automatically recorded, digital display.|
|●||Flame height can be adjusted and equipped with flame height ruler.|
|●||Bunsen Burner: Nozzle diameter is 13mm ± 3mm|
|●||Radiant Heat Source: Thermal radiation flux is 10KW/M2 ± 1KW/M2 (adjustable)|
|●||Timing Device: Digital Display|
|●||Ignition Mode: pulse ignition︱Thermometer: S-Anga (Brand)|
|●||K Type armoured thermocouple: maximum temperature resistance +1300C°|
Fire helmets are critical components of firefighter safety equipment and are essential for protecting their heads from heat and impact during firefighting operations. To make sure they are up to the task, these helmets must undergo thorough testing, including flame retardant testing, to ensure they can withstand high temperatures and prevent fire from spreading in case of exposure. Any fire helmet that passes these tests can be trusted to provide the necessary protection needed to keep firefighters safe while they dutifully carry out their life-saving work.
In this product page, We will explore flame retardant test equipment for fire helmets and the standards they need to meet. Flame retardant testing for fire helmets is critical to their effectiveness in actual firefighting scenarios. Helmets that are not flame-resistant can easily catch fire and cause severe or even fatal injuries to firefighters. As such, it’s essential to test these helmets to ensure they can withstand high temperatures without losing their protective properties.
|●||Shelf: The safety helmet can be firmly clamped to ensure stable position in the test, and the distance between the safety helmet and the flame injection head can be adjusted by moving.|
|●||Controller: Programmable controller, Can freely set the ignition time.|
|●||Flame height measuring device: scale height is 50mm|
|●||Flame injection head: Fuel nozzle placed horizontally, inner diameter 10mm|
|●||Fuel Feeding Device: Pressure regulating valve. Air volume regulator, air storage tank, can ensure the flame jet head to spray 50 mm long blue flame|
|●||Equipment Dimensions: W:1000mm* D:675mm* H:1250*mm, Ensure the test is not affected by wind;|
|●||Inner diameter of lamp is 10mm ± 0.10mm;|
|●||Gas Source: methane, propane, butane, petroleum liquefied gas;|
There are several standards that the fire helmets must meet to pass the flame retardant test. For instance, the National Fire Protection Association (NFPA) 1971 standard outlines the minimum performance requirements for structural firefighting protective helmets. This standard requires fire helmets to withstand extreme heat conditions, not less than 500°F, for five minutes without deformation, cracking, or other forms of damage.
Another standard body that ensures safety for firefighting helmets is the Standards Australia Standards Association (SAA). Under SAA standards AS 4067, fire helmets undergo a rigorous series of tests to evaluate their protective properties, including resistance to impact, penetration, and flame. The flame retardant test specifically evaluates the helmet’s ability to prevent flames from spreading in conditions of high heat, ensuring that the firefighter remains protected throughout the operation.
To carry out the flame retardant testing for fire helmets, several pieces of equipment are necessary. These include a test oven or chamber that houses the helmet under extreme temperatures for a specific amount of time, a high-resolution camera for recording the entire process and screen any helmet deformities, and a heat source like gas or propane to generate heat. During the testing process, the helmet is exposed to the extreme temperature conditions, and its heat-resistant properties evaluated.
The helmet must maintain its structural integrity, retain its shape, and not catch fire. Additionally, any materials used in the helmet’s construction, such as skin, straps, and visors, must also meet the same flame-retardance standards. Firefighter helmets play a crucial role in protecting firefighters from harm during firefighting operations.
|●||Timer: Indicating the value error of ±1%, ranging from 0 to 999.9S, for recording the afterburning time.|
|●||Timer for Setting Time: Indicating value error ±1%, range 0-999.9S, used to determine the time when the flame is applied to the fire helmet.|
|●||Burner: Diameter 13±3mm, bevel 45°.|
|●||Radiant heat source: 10kW/m2 ± 1kW/m2, adjustable, Accuracy 0.1kw /m2.|
|●||Temperature Test: Armored k-pair, Test Range 10C°~ 1500C°, Error 1%.|
|●||Power Supply: AC 220V 50Hz, 100 Watt|
To ensure the reliability of these helmets, they must undergo rigorous testing, including flame retardant tests, to ensure they can withstand high temperatures and prevent fire from spreading. This testing requires specialized equipment, adherence to various standards, and experts qualified to carry out the process accurately. Any fire helmet that passes these tests can be trusted to provide the necessary protection needed to keep firefighters safe while they dutifully carry out their life-saving work.
|Test samples shall be marked in accordance with Section 8||10.1.1Preparation of Test Samples||Flammability Test for Industrial Head Protection → ANSI/ISEA 289.1|
|The test apparatus shall consist of the following components:||10.1.2 Apparatus|
|a. A laboratory test stand of sufficient size and strength to hold the test sample in an as-worn, upright position (see below photo). The stand, including the attached test sample, shall be placed inside a draft free fumehood.|
|b. Bunsen burner with a 10 mm (0.4 in.) bore.|
|c. Source of gas. The use of natural methane (laboratory grade) gas with a heat content of 1000 BTU ±100 BTU per cubic foot is recommended.|
|d. Gas regulator.|
|e. Timing device.|
|f. Temperature measurement device.|
|Use a temperature measurement device to verify the temperature of the Bunsen burner flame.||10.1.3 Calibration|
|With the Bunsen burner in a vertical position, adjust it to produce a 50 mm (2.0 in.) blue flame with an inner cone of 25 mm (1.0 in.).|
|Using the temperature probe, measure the temperature of the flame at the tip of the innercone. lt shall be 800-9o0°C (1472-1652°F).|
|Attach the test sample to the laboratory test stand so that it is held in an as-worn, upright position (see above photo).||10.1.4 Test Procedures|
|Choose any point on the outer surface of the helmet above the STL and apply the flame of the Bunsen burner such that the tip of the inner cone is within 2 mm (0.08in.) from the helmet surface.|
|The Bunsen burner shall be held with its barrel horizontal.|
|Apply the flame to the chosen test point for 5 seconds +1second, -0 second, then remove the flame.|
|lnspect the test sample for any visible flame 5 seconds after removal of the test flame.|
|Record results as “pass” or “fail” based onwhether any flame is visible 5 seconds afterremoval of the test flame.||10.1.5 Recording|