ȘTIRI

01 Iunie

Viscometru – cunoașterea viscozității

Când fluidul curge, există o mișcare relativă între straturile fluide adiacente, deci se va genera rezistenta la frecare intre cele doua straturi de fluid, care se numește forță vâscoasă.Vâscozitatea este folosită pentru a măsura vâscozitatea unei date fizice.Dimensiunea acesteia este determinată de tipul de substanță, temperatura, concentrația și alți factori.Vâscozitatea este, în general, prescurtare pentru vâscozitatea dinamică, care se măsoară în Pa·s (Pa·s) sau mPa·s (MPa ·s).Vâscozitatea este împărțită în vâscozitate dinamică, vâscozitatea cinematică, vâscozitatea relativă, the [...]

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31 Mai

The classification and application of coater

Primul, brush type coater Brush coater is an ancient coating equipment, first used in the 1850s to produce coated wall paper using China clay paint.There are three different types of brush coaters: round brush coater, blanket roller coater and blanket sleeve coater.Figure 1 shows an early use of a brush coating head. Two, air knife coating machine The advent of the air knife coater in the 1930s marked the birth of the modern paper coating industry.Air knife coater is to overcome the [...]

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31 Mai

The concept of viscosity and the use of viscometers

The concept of viscosity and the use of viscometersThe concept of viscosityYou often hear the word viscosity, but what is viscosity really? Viscozitate, “Viscosity.” Also known as Viscosity.Two plates with an area of 1m2 are immersed in the liquid, and the distance between the two plates is 1 meter. If the shear stress of 1N is added, so that the relative rate between the two plates is 1m/s, the viscosity of the liquid is 1 pa.s.The flowing liquid is regarded [...]

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31 Mai

What are the characteristics of the adhesive tester?

Tackiness (instantaneous adhesion) of various PASTE and adhesive tape is tested by the adhesive tester. In the past, the difference of human factors leads to a large data error.The adhesive force tester is used to press the test probe under specific conditions (entry speed, LR-A007 Vulcanizator mic 10T, pressure time, detachment speed) to the object to be measured and test its adhesive force in the detachment process.The test data can be processed by computer. Characteristics of adhesive force testerThe control mode of the [...]

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19 Mar

Sunt introduse formula de calcul și principiul contorului de luciu

Glossometer is a kind of instrument for measuring the gloss of solid surface by using the principle of reflection. It is used for measuring the gloss of ceramic, a picta, cerneală, HG268 Contor de luciu unghi TRI, HG268 Contor de luciu unghi TRI, aluminum, hardware and other materials. *: glossiness is a physical quantity that evaluates the ability of a material surface to reflect light under a set of geometrical conditions, with reflective properties of direction selection.We usually say the gloss refers to the “mirror to the gloss”, so glossometer is [...]

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19 Mar

Puține cunoștințe despre instrumentul zero

The scratch resistance tester provides a way to measure the scratch resistance of single or multiple coatings under specified conditions.Permeability of paint, coil paint, tin ink, or related products through a hemisphere needle or scratch tool. Instrument Appearance Description 1, instrument composition: by a coated metal casting, driving motor, test plate supporting frame clamp, instrument control panel. 2, the balance is installed on the test plate clamp, stylus or scratch stylus is fixed on the balance arm under a small bearing frame. The [...]

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19 Mar

Sistemul de urmărire a temperaturii cuptorului aduce o calitate ridicată

Furnace temperature tracker is an excellent insulation performance to enable the test system to perform temperature mapping in harsh thermal environments.Through the heat treatment furnace with the products, the temperature of the heat treatment furnace and the products can be monitored throughout the process. The temperature data of the whole process can be obtained without the pull couple test, which will tell you how to improve the operation.Allows you to improve output and product quality, to achieve production. Furnace temperature [...]

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19 Mar

Explicația principiului testului și metoda de testare a testerului de spălare

We all know that coated or uncoated surfaces need to be tested for scrub resistance with a brush, sponge, dishcloth, sandpaper, or other means. Scrub resistance tester is a special test instrument for such tests, it can use the way of wet scrubbing by adding friction agent or cleaning agent for friction resistance test. It is usually used in the scrubbing test of interior wall paint, Gresie, shower room and furniture surface. Principle and main structure of scrubbing tester 1, [...]

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19 Mar

Efectul dispersiei pigmentului asupra proprietăților de acoperire

This is a measure of the characteristics of the film, the higher the gloss, the stronger the reflection. For coating luster, particles can not be greater than 5 microns, 3 microns.Ink can not exceed 1 micron.Large particles in coatings are either inefficiently dispersed, flocculate, or stimulate crystallization during preparation.Polymer dispersants also reduce the formation of large particles due to flocculation and improve gloss. transparent This is a property of the film, the higher the transparency, the easier it is to see the [...]

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19 Mar

Aplicarea înregistratorului inteligent de timp de uscare în industria de acoperire

Application of Intelligent Drying Time Recorder in Coating Industry The intelligent drying time recorder is used to measure the drying time of wet film such as paint, ink and glue.The drying and curing of wet film is a slow and continuous process. In order to observe each stage of drying conveniently, an intelligent drying time recorder with certain control conditions is needed to measure.The intelligent drying time recorder uses a needle to cross the coating at a constant speed and [...]

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