Fireproof Coatings Tester Chamber Method Manufacturer | ASTM E119 & ISO 834 Fire Resistance Test Chamber

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Features

Complies with national standards: The testing instrument complies with the requirements of GB12441-2018 "Classification and Test Methods for Fire Performance of Decorative Fire-Retardant Coatings," ensuring the accuracy and reliability of the test results.

Compatible with multiple test methods: The equipment is compatible with various test methods, including the small chamber method, large panel method, and tunnel method, meeting different testing needs.

Testing under laboratory conditions: Suitable for testing the fire resistance performance of fire-retardant coatings applied to the surface of combustible substrates under laboratory conditions, using combustion mass loss and charring volume to evaluate the quality of the fire-retardant coating.

Structural design: The equipment has a reasonable structural design, complying with international flame retardant testing standards, ensuring the safety and effectiveness of the testing process.

Wide range of applications: Suitable for determining the flame resistance characteristics and flame resistance time of decorative fire-retardant coatings applied to the surface of combustible substrates, as well as experiments on flame propagation characteristics.

Technical parameters

Item	Description
Instrument Structure	Composed of a main control box and a combustion box. The control box is movable, made of electrostatic steel plate (t=1.2mm) with a spray-painted surface for a smooth and aesthetic appearance.
Observation Window	Equipped with a glass window on the front for observing the sample's combustion status at any time.
Burner Material	Made of brass.
Temperature Control System	Digital temperature control system.
Thermocouple Specifications	Outer diameter: 2mm, Accuracy: Class II, Range: 1300℃.
Timer Accuracy	Error not exceeding 1s/h.
Alarm System	Alarms every 15 seconds during the test to remind the operator to record the current combustion status. Combustion duration: 4 minutes.
Gas Source	Liquefied petroleum gas or natural gas.
Rotameter	Adjustable flow rate of combustion gas.
Pressure Regulator	High-precision pressure regulator to adjust the gas pressure to standard requirements.
Power Requirements	AC220(±10%)V/50HZ.
Control System	Relay control system with all electronic components from well-known domestic brands to ensure better machine performance and detection accuracy.
Safety Features	Overload and short-circuit protection for the power supply.
Instrument Dimensions	Approximately 340mm x 230mm x 794mm.
Sample Holder Tilt Angle	Can be tilted 45° ± 2°.
Copper Combustion Cup Specifications	Outer diameter: 24mm ± 0.1mm, Wall thickness: 1mm ± 0.06mm, Height: 17mm ± 0.1mm, Volume: 6mL.
Fuel	Chemically pure grade anhydrous ethanol.

Accessoriess

Combustion Test Chamber: Typically a metal box with glass doors and windows, used to create a closed combustion environment.

Fuel Cup: A container for holding fuel (such as anhydrous ethanol), providing the energy source for combustion.

Specimen Holder: Used to fix and support the fire-retardant coating specimen under test, ensuring it is in the correct testing position.

Draft Hood and Chimney: Help control the flow of smoke generated during combustion, ensuring the stability of the test environment.

Air Inlet: Regulates the amount of air entering the combustion chamber to control combustion conditions.

Burner: Some equipment is equipped with a burner to provide a stable ignition source.

Thermocouple: Measures temperature changes in the specimen or combustion chamber during combustion, ensuring the accuracy of test data.

Temperature Control System: Precisely controls the temperature inside the combustion chamber to simulate different fire scenarios.

Data Acquisition and Analysis Software: Records and analyzes various data during the testing process, such as temperature changes and burning time, to evaluate the performance of the fire-retardant coating.

Test Procedures

Ensure the testing equipment is in good working order; repair or replace any damaged or malfunctioning parts promptly.

Operators should wear appropriate personal protective equipment, including safety glasses, gloves, and protective clothing.

During operation, pay attention to fire safety and strictly prohibit the use of flammable materials.

Check that the power connection of the testing instrument is secure and that the sensors and control system are functioning correctly.

Prepare the test samples and related testing materials.

Apply the paint sample to be tested onto a standard test panel and cure it according to the paint manufacturer's instructions.

Place the test panel in the testing chamber of the instrument and close the chamber door.

Set the parameters of the testing instrument, including temperature and time.

Start the testing instrument to begin the test.

During the test, record the temperature and time data displayed by the testing instrument.

After the test is completed, turn off the testing instrument and remove the test panel.

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