I. Product Overview
IlSmall Sample Test Furnace for Steel Structure Fireproof Coating is a specialized thermal testing instrument designed to evaluate the fire resistance and structural integrity of fireproof coatings on steel substrates under controlled fire conditions. It simulates real-world fire scenarios to quantify flame spread, heat resistance, and coating adhesion, ensuring compliance with international fire safety standards for steel structures.
- Type: High-temperature thermal testing furnace
- Test Standards: ASTM E119 (Fire resistance of structural elements), ISO 834 (Fire resistance tests), GB/T 9978 (Chinese fire resistance standard)
- Key Metrics:
- Fire Resistance Duration (minutes)
- Surface Temperature Rise (ΔT, °C)
- Coating Adhesion Strength (MPa)
- Sample Size: Up to 150×150×50mm (steel plate with coating)
II. Technical Specifications
| Parametro |
Specifiche |
| Intervallo di temperatura |
20°C–1000°C (±1°C accuracy) |
| Heating Rate |
10°C/min (PID-controlled ramping) |
| Chamber Dimensions |
300×300×400mm (L×W×H) |
| Heating Elements |
Silicon carbide (SiC) ceramic heaters |
| Sistema di controllo |
Programmable logic controller (PLC) + 7-inch touchscreen |
| Alimentazione elettrica |
380V/50Hz, 2.5kW |
| Dimensioni |
600×500×800mm (L×W×H) |
III. Key Features
- Compact Design:
- Optimized for small steel samples (e.g., bolts, brackets)
- Lightweight (≤50kg) for lab/bench use
- Advanced Features:
- Real-time thermal imaging (°C gradient mapping)
- AI-based coating degradation analysis
- Programmable multi-stage fire cycles
- Compliance:
- ASTM E119 (Fire resistance rating)
- ISO 834-1 (Standard fire curve)
- GB/T 9978.1 (Chinese fire resistance test)
IV. Applications
- Construction: Testing fireproof coatings on steel beams/columns
- R&D: Developing high-temperature-resistant coatings
- Quality Control: Batch inspection of pre-coated steel components
- Forensic Analysis: Evaluating fire damage to structural elements
Standard Operation Workflow:
- Sample Preparation: Mount steel plate with coating in sample holder
- Parameter Setup: Select fire curve (e.g., ISO 834 standard)
- Testing: Initiate heating cycle (e.g., 1-hour fire resistance test)
- Analysis: Measure temperature rise and coating integrity
- Cleaning: Automated ash removal system
Safety Precautions:
- Heat-resistant gloves and goggles required
- Fire-rated enclosure mandatory (class A60)
- Maintain 1m clearance from exhaust vents
* ISO 17025-calibrated thermal sensors
* SiC ceramic heaters (10-year lifespan)
* Emergency cooling system (water mist)
* Includes 5-year furnace warranty
* Compact footprint for lab/bench use
**Technical Highlights**
- ±1°C temperature control accuracy (PID tuning)
- 1000°C sustained fire resistance testing
- Real-time digital adhesion strength calculation
- Energy-efficient insulation (ceramic fiber)
- CE/IECEx certified for explosive atmospheres
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