Flammability
Check
Stainless Steel Cabinet for performing flammability tests of plastic materials, foams and rubber
Standards the instrument complies with:
ASTM D378; ASTM D635; ASTM D3801; ASTM D4804; ASTM D4986; ASTM D5048; IEC 60695-11-10; ISO 340; ISO 1210; ISO 8030; ISO 9772; ISO 9773; UL 94; VDE VDE 0471-11-11;
ASTM D378; ASTM D635; ASTM D3801; ASTM D4804; ASTM D4986; ASTM D5048; IEC 60695-11-10; ISO 340; ISO 1210; ISO 8030; ISO 9772; ISO 9773; UL 94; VDE VDE 0471-11-11;
Gibitre UL 94 flammability testing: plastics, textiles; accurate ASTM D5025
This stainless steel test booth for UL 94 flame resistance is the ideal tool for consistent evaluation of the combustion behavior of materials.
An ASTM D5025-compliant Bunsen burner with 0°, 20°, and 45° adjustable stand, horizontal slide, and pneumatic flame-to-sample distance delivers precise, repeatable positioning. The flow meter provides accurate gas flow measurement, while the digital thermometer with copper probe ensures reliable flame temperature measurement. A digital timer (0.1 s resolution) enables exact control of exposure times.
Applications: UL 94 testing of horizontal HB and HBF specimens and vertical VB and MVB specimens, for solid products and cellular polymeric materials. A tempered glass viewing window and LED lighting aid observation; the exhaust fan removes combustion fumes to maintain clear visibility.
Why choose it: assured standards compliance, full control of critical parameters, and high repeatability with integrated tools and measuring instruments, enablin
Key Features
Instrument for flame resistance test according to UL 94 standard fitted with:
• Stainless steel cabinet with tempered glass viewing window and interior light
• Bunsen burner according to ASTM D5025 standard
• Flow meter for gas flow regulation
• Support for flame angle set (0°, 20°, 45°)
• Slide for the regulation of the position of the flame
• Sample holder according to the standards with sample position regulation
• Digital thermometer for the measurement of the temperature of the flame integrated in the instrument
• Digital Timer with 0.1 second resolution for the measurement of test time
• Exhaust fan to remove combustion fumes
Displacement of the Burner
The ability to move the burner in a controlled manner allows it to be positioned exactly under the specimen and to follow its movement during the flame exposure time.
The instrument is equipped with a pneumatically operated slide that is activated by means of a lever located in the front the instrument.
The device allows the operator to perfectly control the position of the flame under the specimen through the inspection window and to obtain highly repeatable test results.
Vertical Displacement of the sample
UL 94 requires that the distance between the flame and the specimen be kept constant during exposure of the specimen to the flame.
The distance between the flame and the specimen changes during exposure to the flame due to combustion and the tendency of the specimen to bend.
To enable the operator to correct the distance between the flame and the sample, the instrument has been equipped with a pneumatic slide that allows the sample to be moved vertically. The pneumatic slide is operated by a lever located in the front of the instrument.
This unique feature ensures an important improvement in the repeatability of results and compliance with regulatory requirements.
Control Panel
The control panel includes:
• Digital reading of the temperature of the flame
• Timer for the measure of test time
• Button for Start / Stop button for the Timer
• Button for Reset of the Timer
• Button for activation of internal light
• Button for activation of fume aspiration
Gas Flow Adjustment
The instrument must be connected to a Methan source.
The instrument is equipped with:
• Manometer between between 0 and 25 mBar
• Fluxometer between 0,04-0,36 NL\min with flow regulation knob
• Fluxometer between 0,2-1,3 NL\min with flow regulation knob
Bunsen Burner
Bunsen burner compliant with ASTM D5025 and CEI IEC 60695-11-4 standards equipped with:
• Safety sensor for interruption of gas flow with flame absent
• Ring for the adjustment of the air / gas mix
• Tiltable support for testing with inclined flame (0 °, 20 °, 45 °)
Temperature Calibration
The instrument is supplied with:
• Internal Thermometer with thermocouple for 20 mm Test Flame according to ASTM D 5207 standard.
• Ruler for the check of the height of the flame.
The Thermocuple and the ruler are installed inside the chamber.
To test the temperature of the flame, you only need to move the burner under the Thermocouple using the movement knob.
Air Flow and Fume Extraction
The instrument is equipped with a manual valve for interrupting the air flow during the test and an aspirator for removing the fumes at the end of the test.
Positioning and Inspection of the Specimen
The instrument is equipped with sliding guides in the front and side positions that allow the specimen holders to be placed in the optimum position and their behavior during the test to be inspected through the front window.
The mirror, equipped with a telescopic arm, allows inspection of the specimen behavior at the rear as well.
The interior lighting, via LED lights, is activated by a button on the control panel.
Test with Vertical Sample
Specimen support for Vertical Burning (VB) test conforming to JAR 25 853 B standard.
Testing of Vertical Rigid Sample according to UL 94 (VB) and ASTM D3801
Specimen support for Vertical Burning of Solid Plastics (VB) test conforming to UL 94 (tests V-0, V-1, V-2, 5VA, 5VB), ASTM D3801 and equivalent standards.
Testing with non-rigid vertical test specimen according to UL 94 (MVB)
Specimen support for Vertical Burning of Non-rigid Solid Plastics (MVB) test conforming to UL 94 (tests VTM-0, VTM-1 and VTM- 2), ASTM D4804 and equivalent standards.
Test with Horizontal sample
• Specimen support for Horizontal Burning (HB) test conforming to UL 94, ASTM D 635 and equivalent standards.
Test with Horizontal Sample of Expanded products
Specimen support for Horizontal Burning of Cellular Polymeric materials (HBF) test conforming to UL 94, ASTM D 4986 and equivalent.
Flame resistance tests of conveyor belts in accordance with ISO 340 and ASTM D378.
Instrument configuration for performing flame resistance tests of conveyor belts in accordance with ISO 340 and ASTM D378.
The configuration includes:
- Specimen holder with dimensions to standard
- Blowing device with adjustable air flow
- Button for switching the blowing device on and off
Instrument Structure
The instrument, completeley made of Stainless Steel, is optimized for being placed on the table of your lab and for the connection to fume evacuation systems.
Development and production
The instrument is totally developed and produced in the plant of Gibitre Instruments in Italy.
All the mechanical parts are produced in the company workshop using modern CNC machines.
Components and sensors from well-known brands are selected in order to ensure the maximum reliability in the measures
Internal trained personnel takes care of all the production stages: assembly, start-up, calibration, packing, shipment and installation.
Testing Configuration
Types of test that can be performed
HBF (Horizontal Burning Foamed Material), HB (Horizontal Burning), MVB (Material Vertical Burning), VB (Vertical Burning)
Test Cabinet
Stainless steel with a volume of 0.5 m3 with inspection window and light for internal illumination.
Burner
Conforming to ASTM D5025 and CEI IEC 60695-11-4 standards. With support for flame angle set (0°, 20°, 45°).
Temperature Control
Internal Digital thermometer in conformity with ASTM D 5207 standard
Gas flow Regulation (Methane)
Integrated Flow meter
Timer
Digital Timer with 0.1 sec. resolution. The timer permits to set the flame exposition time. At the end of the count down for flame exposition, the timer permits to count flame extinction time.
Slide for the displacement of the Burner during the test
The slide, controlled by a pneumatic cylinder, allows the burner to be moved from outside the chamber via the control knob.
Slide for the regulation of the vertical position of the sample
The slide, which is controlled by a pneumatic cylinder, allows the distance between the specimen and the flame to be controlled during the execution of the test using the adjustment knob.
Aspiration of Fumes
Exhaust fan to remove fumes at the end of the test
Safety Devices
Safety Devices
Safety valve for gas flow interruption without flame
Labelling
CE Labelling
Calibration
Calibration
Calibration Report conforming to UL 94 with traceability to primary standards
Calibration of test Flame
Internal Thermometer with thermocouples for 20 mm Test Flame according to ASTM D 5207 standard.
Technical specifications
Power
220 VAC ±10%,50 Hz ±3,4 A,single phase, 40 W - 110 VAC ±10%, 60 Hz ±3 on request
Gas Supply
The instrument must be connected to a Methane Cylinder.
A pressure reducer (not included) is required to supply the instrument with a pressure of 1 bar.
The connection to the gas network must be carried out by a qualified technician.
A pressure reducer (not included) is required to supply the instrument with a pressure of 1 bar.
The connection to the gas network must be carried out by a qualified technician.
Internal Dimension
(W x D x H) 850 x 700 x 812 mm
External Dimension
(W x D x H) 925 x 800 x 1235 mm
Weight
92 kg
Gibitre Instruments
Via dell'industria, 18
Bergamo (Italy)
te. +39 035 461146
www.gibitre.it
info@gibitre.it
Copyright Gibitre Instruments
