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 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.
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.
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.
The axial flow fan is used to supply air and support stepless speed regulation of 0~ 3m/s, and the anemoMeter has a range of 0~ 10m/s, which is suitable for the determination of the initial drying anti-cracking performance of laminated architectural coatings.
Adopting the test principle of inclined rolling ball method, the tilt angle adjustment range is 0~ 40 °, equipped with 32 GCr15 bearing steel balls, and the shape tolerance accuracy exceeds GB/T308 level 40 to achieve accurate initial Tack evaluation.
The equipment tests the initial Tack by short contact between steel ball and adhesive tape sample at a small pressure, adjustable tilt angle 0~ 60 °, rolling ball range 1/32 inch to 1 inch, suitable for a variety of material adhesion evaluation.
With two test stations, the load range is 50~ 1000g, and three typical wear resistance tests of alcohol, eraser and pencil can be carried out, which is suitable for wear resistance evaluation of various coatings and materials.
Using imported Sensor and motor, Measurement range 0~ 200N, accuracy less than +/- 1%, can store 20 sets of data and automatically print reports, support a variety of substrate replacement.
Adopting the principle of the inclined rolling ball method, the adhesion is measured by the short contact between the steel ball and the sample, the adjustment range of the tilt angle is 0-60 °, and the rolling ball of 1/32 to 1 inch is supported. The width of the test area is 80mm.
Sensor and motor imported, Measurement range 0~ 100N, accuracy less than +/- 1%, Test speed 300mm/min, can record the maximum tension and failure mode.
Adopt 914mm pipe and 19mm inner diaMeter design, 45 degree test plate angle to ensure accurate impact of sand flow, adjustable height structure to meet different test needs
Adopt reciprocating friction mode, friction load can be selected 2lb or 4lb, friction Travel 60mm, support 0-999999 automatic shutdown, LED display is easy to operate.
Measurement range 0~ 500N, accuracy less than +/- 1%, can store 20 sets of results and print reports, humanized fixture supports a variety of substrates.
