This equipment is to objectively assess the flammability characteristics of fabrics by exposing vertically mounted specimens to a controlled gas flame for a specified three-second ignition period.

Vertical Flammability tester

GB/T 5455 : 2014 纺织品燃烧性能垂直方向损毁长度、阴燃和续燃时间的测定

GB/T 5455 : 2014 Textiles―Burning behaviour―Determination of damaged Length,afterglow time and afterflame time of vertically oriented specimens

Ventilation holes: inner diameter 12.5± 2 mm, total of 28 holes

When the equipment door is opened to 90°, the overall length is: About 665mm

A top plate shall be mounted 30± 2mm above the outer top surface of the chamber

The base of the specimen holder shall be positioned 17(-0,+ 2 mm) above the highest point of the burner

tube outlet

Heat- and corrosion-resistant plate: length and width each 25 mm smaller than the chamber base;

thickness ≈ 3 mm

Flame-resistant drip-proof plate: minimum dimensions 152 mm × 152 mm × 1.5 mm

Specimen holder: constructed from two U-shaped stainless-steel plates, 2.0± 0.5 mm thick, 422± 2 mm

long, 89± 2 mm wide; internal frame size 356± 2 mm × 51± 2 mm

Burner: tube outlet inner diameter 11± 2 mm

Equipped with a pressure control system: 17.2 kPa ± 1.7 kPa adjustable

Supplied with one set of test weights(54.5±2g、113.4±2g、226.8±2g、340.2±2g、453.6±2g)

Machine dimensions	650340850mm
Chamber internal Size	329mm×329mm×767mm
Machine weight	About 20kg
Flame nozzle diameter	11 mm
Flame nozzle angle	25°
Ignition	Automatic
Timer Accuracy	0.01s
Ignition time	3 / 12 sec or self-defined
Flame height	40mm