Accurate fireproof coating testing for large surfaces
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The Fire Retardant Coating Tester (Large Plate Method) is designed to evaluate the fire resistance of decorative coatings in laboratory conditions, following national standards. The instrument measures combustion mass loss and chemical volume to assess the effectiveness of fire-retardant coatings. It features high automation, precise temperature control, and touchscreen operation for reliable and user-friendly testing.
Standards
GB12441-2018:Finishing fire resistant coating
GB12441-2005:Finishing fire retardant paint
Features
1. The degree of automation is high, and the temperature error is lower than the national standard
2. Reasonable structure design, convenient operation, and maintenance
3. Touch screen control, easy to test
Parameter
| Item | Description |
|---|---|
| Control System | PLC + NA view professional software, touch screen control, easy to operate |
| Voltage and Power | 220V±10%, 50HZ, 300W |
| Working Environment | Indoor without forced ventilation |
| Blower Air Volume | Adjustable from (1~5) m³/min |
| Armored Thermocouple | Outer diameter ≤ 3mm, wire diameter 0.5mm, accuracy not lower than Class II, range 1300ºC |
| Timer Accuracy | Error not more than 1s/h |
| Back Fireside Temperature Measurement | Five-way thermocouple measurement, automatic alarm when temperature reaches 220ºC |
| Ambient Temperature Range | -5ºC~30ºC |
| Relative Humidity | ≤85% |
| Gas Source | Liquefied petroleum gas (Note: User provides gas source and connector) |
| Instrument Dimensions | Test plate bracket: 760 mm * 760 mm * 1500 mm; Control box: 800 mm * 500 mm * 500 mm |
| Specimen Size | 900mm * 900mm * 5mm ± 0.2mm first-class five-layer plywood |
| Time-Temperature Rise Curve Control | Automatically controls and records the time-temperature rise curve |
| Backfire Temperature Alarm | Automatic alarm when backfire temperature reaches 220ºC |
Application
The flame-retardant coating tester (large panel method) is widely used for determining the flame resistance characteristics and burning time of fire-retardant coatings. These devices comply with the GB12441-2005 standard, ensuring the accuracy and reliability of the test results. The main parameters of the tester include power requirements, temperature uniformity, sample size, temperature control system, thermocouples, timer accuracy, and automatic alarm, all of which ensure the stability and safety of the testing process.
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