The device places the test plate in parallel in the wind tunnel, the wind speed control accuracy is 3 +/- 0.3m/s, the drying time is automatically controlled, and the surface crazing can be visually inspected, which is suitable for the evaluation of coating anti-crack performance.
The wind speed is controlled in the range of 3 +/- 0.3m/s, equipped with axial flow fan and automatic timing function, which can simulate the drying process under specified conditions and effectively detect the surface crazing of the material.
The device provides 3 +/- 0.3m/s wind speed through axial flow fan in wind tunnel, Timer delay range of 0.01 seconds to 99 hours 99 minutes, can automatically control drying time and eye test plate surface crazing, support parallel test.
Adopting axial flow fan to supply air, the wind speed can be adjusted steplessly, the wind speed in the wind tunnel is 3 +/- 0.3m/s, and it is equipped with Handheld AnemoMeter measurement, which is suitable for coating drying anti-crack performance testing.
Using axial flow fan and test wind tunnel structure, the wind speed can be adjusted in the range of 3 +/- 0.3m/s, equipped with Timer delay range of 0.01 seconds to 99 hours and 99 minutes, automatic detection of material surface crazing.
High Accuracy Platinum Resistance Sensor is used to realize +/- 1 ℃ temperature fluctuation, with 9999 minutes timing function, three-layer tempered Glass observation window design to ensure safe and clear observation, suitable for vacuum drying environment of thermally sensitive substances for easy analysis.
High Accuracy Platinum Resistance Sensor is used to achieve +/- 1 ° C temperature fluctuation, with Sensor fault alarm and over-temperature protection functions. 304 stainless steel liner with forced circulation convection air duct ensures Temperature Uniformity +/- 2 ° C. Supports 0-9999 minute timing, suitable for drying of heat-sensitive substances.
Using 200g weight and 1cm ² bottom area design, in line with GB/T 1728 standard, through the filter paper test method to accurately determine the film surface drying and practical drying time, easy to operate, reliable results.
Using 200 +/- 0.2 g weight and 1 square centiMeter bottom area design, the drying process of the paint film was accurately determined by the cotton ball method to distinguish between surface drying and actual stages in drying.
The circular track is used to automatically record the film drying process continuously, equipped with 4 kinds of specifications to choose from, the track diaMeter is 100mm, and the measurement error is +/- 0.5%, which can intuitively analyze the stages in drying state.
304 stainless steel liner and forced circulation convection air duct, Temperature Fluctuation +/- 0.5 ℃, Sensor fault alarm and 9999 minutes timing function, to ensure stable and reliable drying effect.
The equipment is designed according to the international coating stain resistance experimental method, the water Tank volume is 5L, the inner diaMeter of the flow pipe is 8mm, and the time control range is 0~ 99h99s. It is suitable for the stain resistance test of building exterior coatings.
4-Terminal Resistance Measuring method is used to eliminate the influence of wire resistance. Test speed is up to 6 times/sec. Measurement current is less than 100mA to prevent temperature drift and ensure Precision and Stability.
Double station design can process two samples at the same time, Vacuum Level up to -0.098MPa, drying time only 4-6 minutes, suitable for rapid drying of wet paper samples with a diaMeter of no more than 200mm.
Using arc surface drying plate design, the maximum temperature can reach 180 ℃, Heating power 2500W, the steam is quickly discharged during the drying process, easy to operate and maintenance-free.
