Flame Spread Test Machine

The Flame Spread Test Machine is designed for evaluating the flame spread performance of protective clothing and related materials under controlled small-flame exposure conditions. The instrument is developed and manufactured in accordance with ISO 15025, enabling accurate assessment of limited flame spread behavior when materials are subjected to ignition hazards.

It is used as a professional testing instrument for simulating flame diffusion performance of fire protective clothing, providing reliable data for product development, quality control, and regulatory compliance.

Application

The Flame Spread Test Machine is applicable to flame spread and ignition hazard assessment across the following industries and products:

(1) Protective Clothing Industry: fire-fighting suits, heat-resistant garments, industrial protective clothing, multi-layer protective apparel

(2) Textile Industry: woven fabrics, knitted fabrics, coated textiles, quilted materials, laminated and sandwich structures

(3) Industrial Fabrics and Covers: curtains, large tents, awnings, door masks, industrial drapes

(4) Building and Interior Materials: decorative fabrics, wall coverings, interior textile panels

(5) Marine and Transportation Industry: marine interior materials, surface finishes, bulkhead and ceiling materials

(6) Aviation Industry: aircraft interior materials complying with Boeing and aviation flammability requirements

(7) Children’s and Safety Products: materials used in products requiring flammability control for safety purposes

(8) Research and Quality Inspection: laboratory testing samples, third-party certification testing, product performance verification

The instrument is suitable for new product development, production quality control, laboratory research, and third-party testing applications.

Standards

The instrument complies with and can be applied to the following international and domestic standards (including but not limited to):

(1) ISO 15025:2000 – Protective clothing — Protection against heat and flame — Method of test for limited flame spread

(2) BS EN ISO 15025:2002 – Protective clothing — Protection against heat and flame — Method of test for limited flame spread

(3) GB/T 5456-2009 – Textiles — Determination of flame spread properties of vertical specimens

(4) GB/T 6675.3-2014 – Safety of toys — Part 3: Flammability

(5) ISO 5658-2 – Reaction to fire tests — Spread of flame — Part 2: Lateral spread on building products in a vertical configuration

(6) IMO FTP Code Resolution A.653(16) – Fire test procedures for marine materials

(7) ASTM E1317 – Standard test method for flammability of marine surface finishes

(8) ASTM D3675 – Surface flammability of materials

(9) ASTM E1321 / ASTM E162 – Flame spread and heat release tests

(10) NF P 92-504 – Speed of flame spread test

(11) BS 476 Part 7 – Surface spread of flame test

(12) Boeing BSS 7304 – Aircraft interior material flammability

(13) UL 94 – Tests for flammability of plastic materials

Features

(1) Transparent safety door with heat-resistant glass observation window for continuous monitoring during testing

(2) Fully enclosed test chamber minimizing external environmental interference

(3) Smart touch-screen control system with programmable microcomputer control

(4) Integrated test control, data acquisition, calculation, display, and report printing functions

(5) Adjustable burner angle with multiple mounting aids to meet different combustion angle requirements

(6) Automatic ignition system with precise timing control

(7) Automatic exhaust system ensuring safe removal of combustion gases

(8) Oversized test chamber adaptable to multiple standards by replacing specimen holders

Technical Parameters

Item	Specification
Test Chamber	With observation window, internal black coating
Internal Volume	0.5 m³
Control Screen	Smart touch screen
Exhaust System	Automatic exhaust
Observation Window	Transparent heat-resistant glass
Distance from Burner Tip to Specimen	≥ 75 mm
Flame Height	Adjustable
Burner Orientation	Horizontal or inclined
Sample Clamp Size	190 mm × 150 mm (L × W)
Ignition Mode	Automatic ignition
Burning Timer	Digital timer, accuracy 0.1 s
Burner Combustion Tube	8 tubes Ø 0.9 mm, 1 center tube Ø 1.7 mm
Overall Dimensions	1400 mm × 900 mm × 1450 mm
Weight	120 kg

Accessories

Test chamber with observation window

Burner assembly

Adjustable specimen holder

Automatic ignition system

Exhaust duct and fan system

Touch screen controller

Power cable

Operation manual

Calibration and inspection documents

Test Procedures

(1) Prepare the specimen according to the applicable standard

(2) Install the specimen in the appropriate holder

(3) Adjust burner position, angle, and flame height

(4) Set test parameters via the touch screen

(5) Start automatic ignition and begin timing

(6) Observe flame spread behavior through the observation window

(7) Record flame spread time, damage length, and other required results

Maintenance Information

(1) Clean the test chamber and burner after each test to remove combustion residue

(2) Regularly inspect ignition and exhaust systems for proper operation

(3) Verify burner flame height and alignment periodically

(4) Check electrical and control components for stable performance

(5) Store and operate the instrument in a well-ventilated laboratory environment

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