Vertical Flame Test Chamber
The Vertical Flame Test Chamber is designed to evaluate the flame resistance of vertically oriented textile specimens and other compatible materials. It measures afterflame time, afterglow time, and the damaged or charred length following exposure to a controlled ignition source.
The chamber features a tempered-glass observation window, adjustable ignition timing, and an LED display for monitoring test duration and combustion behavior. Its stainless steel construction provides durability, while the ventilation openings support airflow management during testing.
The instrument accommodates specimens measuring 300 × 89 mm, with five specimens tested in each fabric direction as specified. It is suitable for textile laboratories, flame-retardant material research, children's sleepwear testing, and other applications when configured to meet the applicable test method.
Application
(1) Woven and knitted textile fabrics.
(2) Flame-resistant fabrics used in children's sleepwear.
(3) Clothing textiles and other fabric products.
(4) Flame-retardant textile materials used in protective clothing.
(5) Camping tent fabrics and other compatible flexible materials, subject to the applicable test method.
(6) Textile research, material development, and production quality control.
Standards
ASTM D6413/D6413M-22 — Standard Test Method for Flame Resistance of Textiles (Vertical Test)
GB/T 5455-2014 — Textiles — Burning Behaviour — Determination of Damaged Length, Afterglow Time and Afterflame Time of Vertically Oriented Specimens
16 CFR Part 1615 — Standard for the Flammability of Children's Sleepwear: Sizes 0 Through 6X (FF 3-71)
16 CFR Part 1616 — Standard for the Flammability of Children's Sleepwear: Sizes 7 Through 14
CPAI-84 — A Specification for Flame-Resistant Materials Used in Camping Tentage
Parameters
| Parameter | Specification |
|---|---|
| Internal chamber dimensions | Approximately 330 × 330 × 765 mm |
| Observation window | Tempered glass |
| Exhaust opening diameter | 12.5 mm |
| Igniter nozzle diameter | 11 mm |
| Specimen clamp position | 17 mm above the highest point of the igniter nozzle |
| Igniter angle | 25° relative to the vertical line, as specified |
| Igniter gas inlet pressure | 17.2 ± 1.7 kPa |
| Ignition timing accuracy | ±0.05 s |
| Flame time display range | 0–99 min 99 s, as specified |
| Afterglow time display range | 0–99 min 99 s, as specified |
| Flame height | 15–175 mm, with height scale |
| Specimen dimensions | 300 × 89 mm |
| Specimen directions | Five specimens in each direction, as specified |
| Ambient temperature | −10°C to 30°C |
| Fuel gas | Industrial-grade propane, butane, or propane/butane mixture |
| Methane purity | At least 97%, where required by the specified test procedure |
| Power supply | AC 220 V ±10%, 50 Hz |
| Power consumption | Less than 100 W |
Features
(1) Designed for vertical flame resistance testing of textile specimens.
(2) Supports measurement of afterflame time, afterglow time, and damaged length.
(3) Features an adjustable ignition time setting.
(4) LED display for monitoring ignition time, afterflame time, and afterglow time.
(5) Tempered-glass observation window for convenient monitoring of the specimen during testing.
(6) Stainless steel construction for durability and corrosion resistance.
(7) Gas supply and ignition system designed for controlled flame application.
(8) Ventilation openings at the top and bottom of the chamber to support exhaust and airflow.
(9) Adjustable flame height with a scale for reference.
(10) Compact gas pipeline arrangement for convenient laboratory installation.
(11) Designed for routine testing with straightforward operation and low maintenance requirements.
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