In the fields of thermal insulation materials, energy-efficient building systems, and low-conductivity composite structures, the Flat Plate Thermal Conductivity Tester is an essential instrument for accurately measuring thermal conductivity. Unlike general testing methods, this device adopts the steady-state heat flow principle, utilizing upper and lower temperature-controlled plates to transfer stable heat through the sample, thus enabling accurate vertical thermal conductivity measurement. It is widely used for homogeneous board-type materials such as polyurethane foam, phenolic boards, mineral wool, and vacuum insulation panels (VIP).
The device offers excellent repeatability and consistent results. It is ideal for evaluating multi-layer insulation systems, irregular processed plates, and ultra-thin panel structures. In research institutions, it serves to validate the performance of new composite insulation materials; in third-party testing labs, it ensures compliance with formal inspection protocols; and for insulation material manufacturers, it is critical for quality control and incoming material inspection.
This tester complies with national standard GB/T 10295-2008 and international standards such as ISO 8302:1991 and ASTM C177, providing globally traceable and recognized test results.
Key Features of the Instrument
- Steady-State Measurement Principle: Utilizes the guarded hot plate method to ensure stable heat flow and accurate readings.
- Dual-Zone Temperature Control: Independent control of upper and lower plates for consistent thermal gradient across different sample thicknesses.
- Smart Touch Interface: Supports customizable temperature settings, timed measurement, data logging, and export.
- Modular Structural Design: Easy maintenance and adaptable for different sample types and clamping mechanisms.
- Low Heat Loss Design: Minimizes environmental interference for improved accuracy and energy efficiency.
Typical Applications and Target Industries
- Insulation Material Manufacturers: For quality inspection of polyurethane panels, rock wool boards, phenolic panels, and other products.
- Building Energy Efficiency R&D: Evaluates thermal resistance and layer compatibility in multi-component insulation systems.
- Third-Party Testing Labs: Issues formal thermal resistance reports meeting both domestic and international standards.
- University and Research Institutes: Validates performance of novel materials such as aerogels and vacuum insulation panels.
Standard References (Compliance & Traceability)
The instrument is manufactured in accordance with GB/T 10295-2008, ISO 8302:1991, and ASTM C177. These standards define key parameters such as plate temperature stability, sample dimensions, and insulation conditions for steady-state heat flow testing.
ASTM C177 in particular specifies equipment configuration, temperature gradients, and calibration methods—making it one of the most authoritative thermal conductivity standards recognized globally.
Integrated control panel with independent buttons for hot and cold plates, full-size keyboard, and touch mouse—designed for efficient operation and test management.
Conclusion: A Standardized Tool for Thermal Performance Validation
For industries and institutions engaged in energy-saving materials, low thermal conductivity structures, and insulation systems, the Flat Plate Thermal Conductivity Tester is not just a measurement device—it is a foundation for performance validation, quality control, and scientific evaluation.