Naphthenic Acid ViscoMeter

The naphthenic acid viscometer determines the viscosity value by measuring the resistance of the rotor as it rotates in the naphthenic acid sample. It is used in the coatings and inks industry to test the flow characteristics of raw materials and assist in controlling the consistency of viscosity during the production process.
Selection
When selecting, consider matching the sample viscosity range with the instrument's capacity, prioritize measurement components made of corrosion-resistant materials, verify the compatibility of temperature control accuracy with the operating environment, and ensure reading stability and ease of maintenance.

Terms

Standards

Instruments

Measurement range 0.0-15 ppm, accuracy +/- 0.3ppm +/- 5% reading, using LED@525nm Illuminant, based on amino acid method for rapid detection of phosphoric acid salts, easy to operate and suitable for laboratory and field.

$ 209.00

Using 525nm LED Illuminant, Measurement range 0.0-30 ppm, accuracy +/- 1.0ppm, based on amino acid method to achieve high Sensitivity phosphoric acid salt detection, suitable for a variety of water quality environments.

$ 215.00

Adapt to a variety of Viscometer use, suitable for factory field applications, real-time printing measurement results, no need to hand copy, easy operation, can save labor time.

$ 183.00

The test program can be uploaded to the Viscometer host, the analysis record data can be collected, the rheological Linear dispersion and Excel can be generated, and five sets of data can be plotted and compared at the same time.

$ 204.00

Using stainless steel material to ensure acid and alkaline resistance, wet film thickness 100μm accuracy of +/- 2μm, suitable for a variety of pRoduct coating and in line with industry standards.

$ 1406.00

The stainless steel material has acid and alkaline resistance, wet film thickness 75μm accuracy +/- 2μm, suitable for coating applications of various substrates.

$ 1406.00

Using stainless steel material with acid and alkaline resistance, wet film thickness 250μm accuracy of +/- 2μm, suitable for flat and sturdy substrate film operation.

$ 1406.00

Made of stainless steel with good acid and alkaline resistance, wet film thickness 150μm accuracy +/- 2μm, suitable for a variety of pRoducts on flat substrates Spreader applications.

$ 1406.00

Measurement accuracy of 0.1 ℃, range of 0~ 100 ℃, real-time display of temperature values, suitable for a variety of Viscometer models, to ensure a stable test environment.

$ 135.00

Using stainless steel material acid and alkali resistance, wet film thickness 25μm accuracy +/- 2μm, suitable for flat substrate coating, in line with ASTM multiple test standards.

$ 1406.00

Silicone oil standard solution, calibrated viscosity 380cp, capacity 400ml, suitable for Viscometer calibrating.

$ 185.00

Using 525nm LED Illuminant to ensure Stability, Measurement range 0-200ppb, accuracy +/- 5ppb, support ascorbic acid detection, with Automatic calibration verification function.

$ 215.00

Using stainless steel material acid and alkali, wet film thickness 50μm accuracy +/- 2μm, suitable for flat and solid substrate coating different pRoducts, surface polishing.

$ 1406.00

Microcrystalline Glass panel resistant to strong acid and alkali, low expansion coefficient to ensure high temperature without deformation, the highest Operating temperature 450 ℃, surrounded by 316L stainless steel material comprehensive corrosion resistance.

$ 643.00

The samples were treated by acid-base cooking method, and 6 samples could be measured each time. The repeatability error of the absolute value of crude fiber content below 10% did not exceed 0.4%, and the determination time was about 100 minutes.

$ 912.00

Articles

Application of High-Temperature Viscometer in Testing the Melt Viscosity Characteristics of Hot Melt Ink
This article introduces a method for testing the melt viscosity of hot-melt ink using a high-temperature viscometer. The test employs a rotational viscometer to measure the viscosity of three ink samples at different temperatures.
Application of Cone-and-Plate Viscometer in Determining the Rheological Curve of Non-Newtonian Fluids in UV Inks
This article introduces how a cone-plate viscometer measures the rheological curve of UV ink. UV ink is a non-Newtonian fluid whose viscosity changes with shear rate.
Guide to Selecting a Laboratory Rotational Viscometer for Coatings Development
This article introduces how to select a laboratory rotational viscometer in coatings research and development. It first explains the principle of rotational viscometers measuring viscosity based on shear resistance, and then points out that key parameters to consider during selection include measurement range, shear rate, temperature control, and rotor configuration.
High-temperature viscometer evaluates the flow characteristics of ceramic coatings before sintering.
This article introduces how to use a high-temperature viscometer to evaluate the flow characteristics of ceramic coatings before sintering. During measurement, the instrument detects changes in the viscosity of the coating sample under simulated sintering temperature conditions using rotational or oscillatory principles.
Practical Guide to Selecting Rotors and Speeds for Rotational Viscometers
A rotational viscometer measures viscosity by detecting the resistance encountered by a rotor rotating in the sample. When selecting a rotor, it is necessary to consider the estimated viscosity range of the sample, ensuring that the torque reading falls within 10% to 90% of the instrument's measurement range, while also taking into account the sample volume and rheological properties.
High-temperature viscometer measures the flow behavior of powder coatings in the molten state.
This article introduces the use of a high-temperature viscometer to measure the flow behavior of powder coatings in their molten state. Powder coatings need to melt and flow before curing, a process that directly affects the smoothness and performance of the coating.
Temperature-controlled Rotational Viscometer Simulates Coating Rheology in Construction Environments
This article introduces how to use a temperature-controlled rotational viscometer to simulate construction environments in order to study the flow characteristics of coatings. The viscosity of coatings changes under different temperatures and shear conditions, which affects their application performance.
Comparison of Rotational Viscometer and Capillary Rheometer in Testing the Flowability of Resin Processing
The rotational viscometer measures torque via rotor rotation, making it suitable for testing the static or low-shear fluidity of resins under low shear rates, with simple and quick operation. The capillary rheometer, on the other hand, forces samples through a capillary to simulate high-shear processing, providing flow data closer to actual production conditions, but it is more complex and time-consuming to operate.
Rotational Viscometer Measures Viscosity and Processability of Resin Melts
A rotational viscometer calculates viscosity by measuring the torque experienced by a rotor as it rotates in the resin melt, thereby helping to understand the material's processing properties.
Rotational Viscometer for Measuring and Controlling the Application Viscosity of Coatings
A rotational viscometer is a commonly used tool for controlling the viscosity of coatings during application, as it measures the torque generated by a rotor rotating in a fluid to calculate viscosity.
Method for determining the dynamic viscosity of varnish using a falling ball viscometer
This article introduces a method for measuring the dynamic viscosity of varnish using a falling-ball viscometer. It is based on Stokes' law, which calculates viscosity by measuring the time required for a standard small ball to fall a fixed distance in a vertical glass tube filled with varnish.
Stormer Viscometer for Determining Krebs Viscosity of Paints
This article introduces the method of measuring the Krebs viscosity value of colored paints using a Stormer viscometer. Viscosity is a key indicator that affects the application and storage of coatings. The Krebs unit (KU) quantifies viscosity based on the resistance encountered by a rotor as it rotates within the paint sample.
Rotational viscometer measures the viscosity of paint at low shear rates.
This article introduces the method and significance of measuring the viscosity of colored paint at low shear rates using a rotational viscometer.
Standard Method for Measuring the Melt Viscosity of Hot Melt Adhesives with a Rotational Viscometer
This article introduces the standard method for measuring the molten viscosity of hot-melt adhesives using a rotational viscometer. During the measurement, the hot-melt adhesive sample must be fully melted and degassed, placed into a measuring cup, and then measured with the rotational viscometer at a set temperature.
The cone and plate viscometer measures the rheological properties of a small amount of ink sample.
A cone-plate viscometer measures torque through rotation between the cone and plate, enabling the analysis of rheological properties with small ink samples. It is suitable for small-volume measurements, reducing interference from solvent evaporation.