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.
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.
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.
Impact method is adopted, the maximum thickness of test plate is 125mm, built-in bubble level and height limit ring, drop weight mass 1000g, punch diaMeter 20mm, die base aperture 27mm.
The total film width of 90mm is divided into 10 gaps, the depth is gradually increased by 25μm, and the spacing is 1.5mm. The removable guide plate design is easy to operate on different thickness test panels.
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.
Measurement range 0.65-400 mm, the highest accuracy is +/- 0.04mm, supports four measurement modes, Data storage 3000 groups, high-speed measurement up to 10 times/second, suitable for a variety of metal materials.
Wire-wound technology is prepative 40μm wet film thickness, application width of 25.5mm, matching Drawdown Plate for better repRoducibility, stainless steel material to ensure durability.
Using rigid polyester plate with foam rubber cushion, size 240x340mm, can absorb operating pressure, improve proofing Repeatability and uniformity, suitable for a variety of substrate testing.
Wire-wound molding process, wet film thickness of 80 microns, effective application width of 25.5 cm, can be used at the same time Spreader a variety of Coating comparative experiments, with Drawdown Plate use effect is better.
Wire-wound process to achieve 40μm wet film thickness, one operation can simultaneously Spreader two or more Coatings, matching Drawdown Plate to improve Spreader repRoducibility, suitable for soft to strong all kinds of substrates.
Dual scale design and special indicator ensure accurate impact distance, built-in level for easy calibration and positioning, support 1000g drop mass and a variety of punch diaMeters.
Equipped with 13 sub-disks and 1 master disk, the clamping thickness range is 0.1-1 mm, and the accuracy deviation is less than or equal to 0.01mm. It is suitable for Ring Crush Test testing requirements of different thickness papers.
Using ASAB Stavax ESR stainless steel tool steel after zero degree vacuum hardening, hardness HRC55, double-sided design provides 50/100μm two Film thickness, Spreader width 12mm, accuracy +/- 2μm, guide plate removable for narrow panel operation.
