Advanced heat insulation test furnace for fireproof coatings
Whats/App: +86 156 1874 6768
Web: standard-groups.com
Application
This test furnace is suitable for determining:
1. Thermal insulation efficiency of steel structure fireproof coatings
2. Fire resistance limit of coated steel components
3. Back-surface temperature rise under standard fire exposure
4. Heating and furnace-pressure stability during fire resistance tests
It is widely used in:
5. Fire protection coating manufacturers
6. Building material testing laboratories
7. National and third-party inspection institutes
8. Research universities and engineering research centers
9. Fireproof material certification and quality evaluation agencies
Standards
This instrument is developed and manufactured in accordance with the following standards:
Primary Standards
GB 14907-2018 – Fire-Resistant Coatings for Steel Structures
GB/T 9978-2008 – Fire-Resistance Tests for Building Construction Elements
International Standards
Although the furnace is primarily based on Chinese national requirements, its fire-curve control and measurement systems align with major global fire-test methodologies, including:
ISO 834 – Standard Fire Resistance Test Curve
EN 13381 Series – Test methods for determining the contribution of fire protection materials to structural elements
ASTM E119 – Standard Test Methods for Fire Tests of Building Construction and Materials
BS 476 (Part 20–24) – Fire tests on building materials and structures
This compatibility allows the furnace to support laboratories that reference or compare international fire-test systems.
Parameters
| Item | Specification |
|---|---|
| Working Voltage | AC 220V ± 10%, 50 Hz |
| Power Consumption | 3 kW |
| Furnace Pressure Range | 0–100 Pa |
| Pressure Control Accuracy | 20 ± 3 Pa |
| Airflow Range | 0–50 m³/min |
| Airflow Accuracy | ≤ ±0.5 m³/min |
| Fuel Type | 0# or −10# diesel |
| Standard Fire-Curve Temperature Program | 60 min: RT–925°C; 120 min: RT–1050°C; 180 min: RT–1115°C; 240 min: RT–1150°C; 300 min: RT–1180°C; 360 min: RT–1210°C |
| Furnace Temperature Sensors | 4 pcs K-type armored thermocouples |
| Back-Surface Temperature Sensors | 2 pcs, accuracy ±4°C |
| Temperature Control Mode | Average or independent control |
| Heating Mode | Fully automatic diesel spray burner |
| Cooling Mode | Automatic exhaust and cooling |
| Timing Range | 0–360 min |
| Data Storage Capacity | ≥100 sets |
| Sample Size | 500 × 500 × 6 mm |
| Overall Dimensions | 1.6 m × 1.6 m × 1.6 m |
Test Procedures
1. Cut the sample using a 250mm × 90mm template. If the sample is a melt-shrinkable product, use a 250mm × 180mm template.
2. Clamp the sample in a 250mm × 90mm sample holder, tighten the wing nut, and secure the sample. The sample holder size for melt-shrinkable products is 250mm × 180mm. At this point, do not yet mount the sample holder onto the horizontal rod.
3. Turn on the power switch and set the ignition time to a slightly longer duration, such as 5 minutes. Select the appropriate positioning device according to the ignition method. After pressing "Start Test" and the burner stops at the 45° position, insert one end of the positioning device into the burner. Now mount the sample holder onto the horizontal rod and adjust the sample holder's up, down, left, and right positions to meet the test requirements. Remove the positioning device. Press the return key. After the burner resets, press "Test Reset".
4. Press and hold the ignition button, and simultaneously adjust the flame adjustment valve on the instrument panel. After igniting the gas, adjust the flame height to 20 ± 1mm. When adjusting the flame from large to small, it is easier to first tighten the flame adjustment knob on the panel. The height gauge should be at 20mm. Close the front door.
5. Place two pieces of filter paper in the collection tray and then place it under the sample.
6. Set the ignition time, press "Start Test," and the burner will automatically rotate to the 45° position and remain there for the set ignition time, then reset. The afterglow time starts counting simultaneously. If the sample stops afterglow before reaching the marked line, press "Stop Afterglow." If the sample afterglow reaches the marked line, immediately press "Stop Afterglow." Record the burning time.
7. Press "Test Reset" to stop the test. To continue the test, repeat the above steps; otherwise, turn off the power. Provided by Shandong Provincial Textile Science Research Institute.
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