High Molecular Viscosity Tester

The high molecular viscosity tester measures the internal resistance of fluids through rotational or capillary methods, reflecting the flow characteristics of materials. It is used in industries such as coatings and inks for raw material quality control and production process adjustments, ensuring batch-to-batch stability of products.
Selection
When selecting, ensure the material viscosity range matches the instrument's measurement range, consider temperature control accuracy and shear rate range. Choose rotor or capillary structure based on sample characteristics, confirm that data interfaces meet operational requirements, and verify the validity of the calibration certificate.

Terms

Standards

Instruments

The water pRoduction rate reaches 10L/h, the water intake Flow velocity is 1.0L/min, and the RO membrane intelligent anti-scale washing and automatic domestic circulation system are used to ensure stable water quality and meet the high standard requirements of the laboratory.

$ 2300.00

K shape cogging design, large tooth spacing, suitable for high viscosity Coating, excellent leveling, wet film thickness 80μm, application width 300mm, suitable for the application of high viscosity of glue.

$ 178.00

The four-blade structure makes the mixed medium flow radially up and down, forming strong turbulence and high shear force. The diaMeter of the slurry is 40mm, which is suitable for stirring medium and high viscosity liquids.

$ 96.00

The water pRoduction rate reaches 5L/h, the water intake Flow velocity is 0.8L/min, and the RO membrane intelligent anti-scale flushing and automatic domestic circulation system are supported to ensure the stability of ultrapure water quality, which is suitable for a variety of experimental needs.

$ 1897.00

The four-blade structure makes the mixed medium flow radially up and down, forming strong turbulence and high shear force. The diaMeter of the slurry is 120mm, which is suitable for stirring medium and high viscosity liquids.

$ 128.00

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.

$ 149.00

K-shaped cogging design, large tooth spacing, suitable for high viscosity Coating, wet film thickness 250μm, leveling well, the bottom of the cogging is wider, suitable for applications with large glue viscosity.

$ 120.00

Driven by brushless DC motor, Max. stirring Capacity up to 10 liters, stirring speed range of 150-2000rpm, with super stirring force, suitable for high viscosity liquid stirring.

$ 227.00

The four-blade structure makes the mixed medium flow up and down radially, forming strong turbulence and high shear force, which can crush the particles in the liquid, the diaMeter of the slurry sheet is 80mm, and the Rod length is 350mm, which is suitable for stirring medium and high viscosity liquids.

$ 119.00

When running at low speed, a tangential flow is generated, and the edge forms a high shear rate. The blade width is 70mm and the Rod length is 350mm, which effectively prevents the deposition of media and is suitable for medium and high viscosity fluids.

$ 101.00

Flow velocity 1.5L/min, reverse osmosis (RO) membrane and purification column are used to remove trace ions efficiently, and intelligent microcomputer control realizes automatic operation and online water quality monitoring.

$ 2784.00

K-shaped cogging bottom design, large tooth spacing, suitable for high viscosity Coating, wet film thickness 300μm, leveling well, suitable for large glue viscosity application scenarios.

$ 120.00

Rotation speed is accurate and stable with high subdivision stepper motor. Measurement accuracy is +/- 1% F.S. The embedded integral heating design makes the heating uniform and the thermal inertia is small, and supports the whole process monitoring of viscosity-temperature Linear dispersion changes.

$ 1703.00

The four-blade structure makes the mixed medium flow radially up and down, forming strong turbulence and high shear force. The diaMeter of the slurry is 80mm, which is suitable for medium and high viscosity liquids and can effectively crush the particles in the liquid.

$ 109.00

Using formed pRoduction process, wet film thickness 270 μ m, K-shaped alveolar bottom design, large tooth spacing, suitable for high viscosity Coating, better leveling, suitable for applications with large glue viscosity.

$ 120.00

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.
Lab Mixer Selection - Viscosity Determines Torque
This article mainly discusses how to select a laboratory mixer based on the viscosity of the material. The higher the viscosity, the greater the torque required. Low-viscosity liquids are suitable for high speed and low torque, while high-viscosity materials require low speed and high torque.
The impact of temperature uniformity in laboratory water baths on viscosity measurement
This article discusses the importance of temperature uniformity in laboratory water baths for viscosity measurement. Viscosity is highly sensitive to temperature variations, and uneven temperature distribution within the water bath can lead to deviations in measurement results.
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.
The Zahn cup is used for the daily inspection of the viscosity of electrophoretic paint bath solutions.
This article introduces the application of the Zahn cup in daily inspections of the viscosity of electrophoretic paint bath solutions. The viscosity of electrophoretic paint affects coating quality, making daily inspections crucial. The Zahn cup is simple to operate, cost-effective, and suitable for rapid on-site measurements.
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.
Handheld viscosity cups are used for rapid assessment of paint viscosity at construction sites.
A handheld viscosity cup is a portable tool used to quickly assess the viscosity of coatings at construction sites. It operates based on the flow-out time method, calculating viscosity by measuring the time it takes for the coating to flow out of the cup's orifice. It is suitable for Newtonian or approximately Newtonian fluids.
Application of Desktop Viscometer Cups in Batch Sample Screening at Quality Inspection Centers
This article introduces the application of desktop viscosity cups in batch sample screening at quality inspection centers. Viscosity cups estimate viscosity by measuring the outflow time of fluids, making them suitable for rapid screening.
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.
When selecting a laboratory disperser, it is essential to evaluate the dispersion capacity and the speed range.
When selecting a laboratory disperser, it is crucial to evaluate the dispersion capacity and speed range. The dispersion capacity should be determined based on parameters such as material viscosity and solid content to avoid uneven dispersion or localized overheating caused by excessive or insufficient capacity.
Rotational rheometer measures the viscosity and processing performance of polymer melts.
A rotational rheometer applies a controlled shear field to measure rheological parameters such as the viscosity of polymer melts. The melt typically exhibits shear-thinning behavior, where its viscosity changes with the shear rate, directly affecting processing methods such as extrusion and injection molding.
The coating machine applies the OLED light-emitting layer onto ITO glass.
This article introduces the technique of using a coating machine to apply OLED luminescent layers onto ITO glass. The coating principle involves matching solution rheology with substrate surface energy, allowing control over film thickness by adjusting parameters such as viscosity and speed.