1. Introduction of 45 degree combustion
tester: Instrument name: 45 degree combustion
tester Brand: Gellowen Origin: British Test Standard: ASTM D1230, FTMS 191-5908, CFR 16 Part1610, CAL IF TB117, NFPA702, GB/T 14644 (with ASTM D1230 as an example to introduce the principle and test of the instrument) Chinese agent: (Hong Kong) Co., Ltd. Company address: No. 2578 Gudai Road, Minhang District, Shanghai Company Tel: 13671843966 Company Fax: 021-64208466-8101. 2. Test Scope: Basis Standard ASTM D1230, this test instrument can be used to judge the burning characteristics of clothing or fabrics (except baby pajamas and protective clothing), and evaluate the burning rate of the sample according to the flame spread time. 3. Test process and rating: Sample preparation: Prepare 5 samples of 50*150mm. A pre-test can be carried out before the test to determine the direction in which the fabric will burn the fastest, along the long side of the fabric. (i.e. the fabric burns fastest along the long edge). Fix the sample on the sample holder. After drying and drying, it is placed in the combustion chamber. Ignite the sample, the timer records the ignition time as 1±0.05s. The sample burns to the position of the cotton thread, so that the cotton thread is blown, so that the weight falls down, touches the stop switch, and the burning time is displayed on the timing display. Rating according to the burning time of the sample: acceptable level for clothing trade: 1. For non-suede fabrics, the burning time should be≥3.5s; for suede fabrics, when there is no surface flashover, the required burning time is >7s; when the suede fabric has surface flashovers, the burning time may be <7s. 2. Clothing trade considers flammable fabrics: suede fabrics, the burning time is between 4-7s. 3. The level considered unacceptable by the clothing trade: non-suede fabric, burning time <3.5s. *Note: The burning time of everything is less than 3.5s, the burning time of suede fabric is less than 4s, and the base cloth of suede fabric is ignited, carbonized or melted, and five additional samples need to be tested. Surface flashover refers to the rapid spread of flame on the surface of a material without the basic structure of the material ignited. If the basic structure of the material is ignited simultaneously or sequentially with the surface flash, it is not a surface flash. The burning time is the average burning time of five samples. Continue testing and rating after dry cleaning or home laundering of fabrics of Class I and II. 4. Gellowen——Features of the 45-degree combustion tester: This machine is designed with a unique push-pull handle on the transparent glass of the accessories, and the humanized design is convenient for the experimenter to operate. This machine is equipped with an independent timing display system, which can accurately and effectively detect and display the ignition and combustion time. This machine is equipped with a special transmission device to realize the function of automatic ignition of the instrument. This machine is equipped with an external gas tank, which is safe, accurate and effective. It is convenient for the experimenter to adjust the flame length. 5. Instrument specifications and main technical parameters: Dimensions: 400*300*500mm (L*W*H) Flame spread Timing range: 0-99.99s, resolution: 0.01s Ignition time: 1s or set arbitrarily. Weight: 38kg Power: AC 220V/50HZ/2A Flamethrower: 26 gauge injection needle More about 45 degree combustion tester: http://www.ranshaoceshi.com/
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