The paint film adhesion was measured by the circular trace method, the drawing diaMeter was 0~ 10.5mm, and the Working Travel was 80mm. The integrity of the paint film was evaluated according to seven grades, and the operation was simple and reliable.
Using standard sand free fall brushing layer, straight grinding to expose 4mm substrate; can quantify the abrasion per unit thickness of the paint layer of sand volume, the inner diaMeter of the catheter 19mm, sample holder 45 degrees angle fixed.
The drying process of paint film and putty film can be accurately measured by using circular track needle design, equipped with four different radius needle (R0.25/0.5/1.0/1 mm), and the track period is 24h/r.
The paint film adhesion was measured by the circular trace method, the drawing diaMeter was 0-10.5 mm, and the Working Travel was 80mm. The integrity of the paint film was evaluated according to seven grades, and the operation was simple and reliable.
Impact height of 120 cm, hammer mass 1000g, no secondary rebound phenomenon after impact, punch diaMeter 16mm, can accurately determine the impact strength of the paint film.
The pressure range of the probe is 50~ 250N, the diaMeter of the rubber probe is 40mm, and the degree of paint film chalking is evaluated by comparing the imprint of the photo paper with the standard sample, which is suitable for the detection of various environmental factors.
It can measure the ability of the paint film to deform with the substrate without damage. It is equipped with a shaft Rod with a diaMeter of 50mm and 100mm.
Using 1400rpm speed regulation and 1.5 liters effective volume sand grinding basket, rapid dispersion and grinding are achieved through tensile shear and Impact between sand and material, and the operation is simple.
Compression stroke 2.50mm, load 237g, suitable for wet mold sand/core surface Hardness measurement, support USB and Bluetooth data output, with average calculation and undervoltage alarm function.
Using photo paper smooth surface combination technology, observing the imprint after applying a uniform load, the pressure range of the probe is 50-250N, and the diaMeter of the rubber probe is Φ 40mm, which can accurately evaluate the chalking grade of the paint film.
Konig and Persoz swing bars are used, Konig swing period is 1.4s, Persoz swing period is 1s, and the number of swing angles is automatically recorded, which is suitable for accurate determination of paint film Hardness.
Suitable for manual or mechanical low and medium pressure molding of fine sand core testing, compression stroke 2.50mm, load 980g, with average calculation and MAX Maximum latch function, support data output communication.
Hand type easy to operate, load 1000g, standard 6B-6H pencil, suitable for film hardness testing, test temperature 23 +/- 2 ℃ and Humidity 50 +/- 5% environment.
Adopting the principle of vertical drop of steel balls, the diaMeter of steel balls is 8mm, and the distance between upper and lower grooves is 250mm, which is suitable for the viscosity measurement of high viscosity transparent liquids.
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.
