Temperature range -25 ℃, temperature control accuracy +/- 1 ℃, can simulate the natural low temperature environment for bending test, observe material changes, determine the degree of cold resistance.
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.
The 300W OSRAM bulb provides 365-400nm wavelength UV, Temperature Uniformity +/- 1 ℃, can be tested for yellowing resistance and aging at the same time, and the turntable Rotation speed 10 +/- 2rpm ensures uniform sample irradiation.
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.
Using 2-wire method and 3-wire method measurement, Ground Voltage Measurement range 0~ 200V, Ground Resistance Measurement range 0~ 1999 Ω, Response Time about 5 seconds, with continuous measurement and overload protection function.
Temperature range -20~ 150 ℃ and humidity control 30~ 98% R.H., using PID control and solid state relay to ensure stability, multi-layer Glass observation window frost-proof design, support a variety of safety protection functions.
Adopt high temperature fan and special air duct to ensure temperature uniformity, equipped with low speed turntable; Temperature range RT + 10~ 200 ℃, uniformity +/- 2 ℃, support 3-100 times/h ventilation volume adjustment.
Adopt high temperature and low noise motor and multi-leaf centrifugal wind turbine, Temperature Uniformity +/- 2 ℃, equipped with low speed turntable and hot air circulation system to ensure stable and uniform temperature in the working room.
The use of high temperature fan and special air duct to achieve uniform heating, equipped with low-speed turntable to ensure uniform heating of the sample, Temperature Fluctuation control within +/- 0.5 ℃, ventilation can be adjusted within the range of 3-100 times/hour.
Temperature range -30~ 150 ℃ and Temperature Uniformity ≤ +/- 2 ℃, using multi-layer conductive film observation window anti-frost design, equipped with independent over-temperature protector and solid state relay control to ensure stable operation.
Adopt high temperature and low noise motor and multi-leaf centrifugal wind turbine, Temperature Uniformity +/- 2 ℃, equipped with low speed turntable, support 3~ 100 times/h ventilation volume adjustment, to meet a variety of aging test needs.
Double grinding head assembly configuration, total weight 1500g, Reciprocating Frequency 37 +/- 2 times/min, Travel 300mm, can accurately evaluate the stain resistance of the film.
With four adjustable friction Frequency 21/43/85/106cpm, friction load 20N, support linear reciprocating friction movement, power-off memory function to ensure that paraMeters are not lost, effective analysis of coating adhesion and wear resistance performance.
The use of national standard 06Cr19Ni10 stainless steel precision machining, high temperature resistance up to 300 ℃, low temperature resistance to -100 ℃, hardness ≤ 187HB, with acid and alkali resistance, grinding anti-sinking, anti-stick, suitable for dry grinding and wet grinding.
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.
