NFPA 701-2004 Methods 2 Textiles and Films Flame Propagation Tester

Application:
It is used to assess the propagation of flame beyond the area exposed the ignition source. It is applicable
to vinyl-coated fabric blackout linings and fabrics including multilayered fabrics, films and plastic blinds,
with or without reinforcement or backing, with area density greater than 700g/m2.

Standard:
NFPA 701-2004 Methods 2

Specification:
1. Laboratory: in accordance with 12.2 of NFPA 701-2004
1.1 Furnace specifications: length, width (305 ± 5) mm, height (2130 ± 10) mm;
1.2 Structure: made of thick 1.5mm 304 # stainless steel. In front of a transparent observation window;
1.3 Top Sample Rod:

1.3.1 from the bottom of the furnace body edge 1190 ± 10mm, both sides should be set to 4mm
horizontal alignment of the hole;
1.3.2 consists of steel rods with a diameter of (1.5 ± 0.1) mm or (3.0 ± 0.1) mm and a length of (330
± 10) mm, which one end is cut into a sharp point;
1.4 Bottom sample rod: consisting of steel rods with a diameter of (1.5 ± 0.1) mm and (255 ± 10)
mm in length, which one end shall be cut into a sharp point;
1.5 Vertical guide line:
1.5.1 A pair of vertical guide wires made of soft steel wires are located at the center of the furnace body
(100 ± 5) mm on both left and right sides (the distance of the pair of wires is (200 ± 5) mm);
1.5.2 The distance between lines of each pair is (25 ± 2) mm (from front to back in the box)
1.5.3 The vertical guide wire shall be mounted on a rod of diameter (6 ± 0.05) mm
1.6 The upper part of the test room shall be installed with glass fiber cloth baffle with dimensions of
(1000 ± 10) mm × (125 ± 5) mm; glass fiber cloth shall be made with glass sewing thread at each
end (40 ± 3) mm (3 ± 0.2) mm × (330 ± 5) mm, and pass through the hole (4 ± 0.5) mm in the
middle of the top of the chamber; (4 ± 0.5) mm × 25 ± 1) mm, each end is round;
2 Burner:
2.1 Installed in the fixed seat, into a 20-angle tilt;
2.2 Burner heat: 800BTU / ft3 ~ 1000BTU / ft3
2.3 Nozzle from the bottom of the test: 100mm
2.4 Flowmeter: for the rotor flowmeter, the maximum range should be 150 L / hr or 300 L / hr
2.5 Needle Valve: adjust the height of the flame
2.6 Pressure gauge: 0 ~ 1Mpa, the accuracy of 0.5
2.7 Flame measurement scale: measure burner flame height and sample size with an accuracy of 1 mm
3 Control section:
3.1 Igniter: high voltage automatic ignition
3.2 Timers:
3.2.1 combustion timing: 0-99.99s arbitrarily set, the resolution of 0.01s, accuracy of 0.1s
3.2.2 continued combustion time: 0-99.99s arbitrarily set, the resolution of 0.01s, accuracy of 0.1s
3.3: automatic control: such as ignition, combustion timing, continued combustion time

Main parameters:

YUYANG INDUSTRIAL CO., LIMITED (DONGGUAN YUYANG INSTRUMENT CO.,LTD) is Located in Wangjiang District (Dongguan City ,Guangdong Province, China),a famous historical town with prosperous industry and convenient transportation.

We are a high-tech enterprise which is specialized in developing and manufacturing Fire Testing Equipment, Building Material Fire Tester, Wire and Cable Fire Tester, Environmental Test Chamber, Textile Testing Equipment, Toys Testing Equipment and etc. 

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