GB/T 40302 Vertical Combustion Tester

The vertical combustion test method specified in GB/T 40302 is used for testing; For thin specimens that are prone to bending and specimens that curl up but do not ignite when exposed to fire, their combustion performance shall be tested according to the method specified in GB/T 40302.

1、 Instrument Overview:

The plastic vertical combustion tester is used to evaluate the combustion characteristics of plastic materials in electric bicycles. During the combustion test process, it is suitable for thin specimens that are prone to bending and those that exceed1A sample that curls up but does not ignite when exposed to fire, for useGB/T 40302Conduct experiments according to standards. This standard specifies a small-scale laboratory screening method for the combustion characteristics of flexible thin specimens when vertically exposed to a small flame ignition source. The experimental principle is to fix one end of a cylindrical sample vertically on a fixture, apply a specified test flame to the other end twice in a row, and evaluate the combustion characteristics of the sample by measuring the residual flame and residual burning time.

2、 Compliant with standards:

GB/T 40302-2021Determination of Combustion Performance of Plastic Vertical Soft Thin Specimens in Contact with Small Flame Sources;

Instrument features:

‌control system‌: Usually usedPLCControl system to ensure the accuracy and stability of testing;

‌operating interface‌Equipped with a color touch screen that supports switching between Chinese and English, making it convenient for users to operate;

‌Volume inside the box‌: Testing space0.75Cubic meters, equipped with a glass observation door for easy observation of the testing process;

‌Burner parameters‌The burner has specific size parameters, such as nozzle inner diameter, effective length, etc., and is equipped with air conditioning holes to regulate the flame state;

‌Flame height and time setting‌The flame height can be adjusted according to standard requirements, and the flame application time, residual flame time, and residual burning time can be set arbitrarily to meet different testing needs;

‌Ignition and recording‌Equipped with fully automatic ignition function, and automatically records the time of flame combustion and flameless combustionCode display result;

‌safety device‌Equipped with combustible gas leakage alarm device and exhaust system to ensure the safety of the testing process.

Lamp: Bensheng Lamp Tube Diameter9.5mm±0.5mmThe length from the main air intake or inlet upwards is approximately100mm

The shape of the mouth of the native lighting fixture: circular mouth and stainless steel fish tail mouth(replaceable)

Lamp test inclination angle:0° 20° 45° can be quickly located, with a maximum travel distance of about150mm

Burning gas:98%methane gas(Reference gas), can also be used37MJ/m 3±1MJ/m 3natural gas

Burning and removal time:1s～999.9s(Digital display can be pre-set)

Holding time:1s～999.9s(Digital display cannot be pre-set)

Repeated ignition frequency:1 ～ 9999 time(Digital display can be pre-set)

Experimental area volume:0.75m³ Background Black