Varnish Specific Gravity Cup

The varnish specific gravity cup determines density by measuring the ratio of the mass of varnish in a fixed volume to the mass of the same volume of water. It is used in the coatings industry for the rapid testing of the density of liquid raw materials or finished products, controlling production ratios, and ensuring product quality consistency. During operation, the cup is filled with the sample, weighed, and the density value is calculated.
Selection
The selection of a varnish specific gravity cup should match the viscosity range of the varnish being tested, with the cup material resistant to solvent corrosion, and the capacity specifications corresponding to the required measurement accuracy. A calibration certificate ensures traceability of measurements, while temperature compensation functionality adapts to laboratory conditions. A clear operation interface facilitates daily rapid testing.
material
Cup volume
Calibrated certificate

Terms

Standards

Instruments

Made of stainless steel to ensure durability, equipped with hollow structure Balance hammer filled with lead particles to adjust weight, Cup volume 100ml in line with national standards design, suitable for a variety of liquid specific gravity determination.

$ 106.00

Made of stainless steel, the Cup has a volume of 50 ml and can withstand an internal pressure of 10.3 bar. It is suitable for the determination of specific gravity of various Coatings and auxiliary materials. It is easy to operate and meets international standards.

$ 128.00

50Ml volume stainless-steelbeaker body, equipped with hollow structure Balance hammer filled with lead particles to adjust the weight, in line with national standards designed to ensure measurement accuracy, suitable for a variety of liquid specific gravity detection.

$ 106.00

Using copper nickel plating material, volume 37ml, in line with GB/T6750 standard, equilibrium hammer is hollow structure and filled with lead particles to adjust the weight, suitable for Coating and auxiliary materials, oil and other liquids specific gravity determination.

$ 106.00

Made of aluminum alloy, the volume is 50ml, the measurement accuracy is 0.001%, equipped with professional temperature control requirements, suitable for density measurement under different environment conditions, the Cup structure is stable and durable.

$ 119.00

The aluminum alloy material ensures durability, the volume of 100ml meets the standard measurement requirements, and the 0.1 ℃ indexing thermoMeter can achieve accurate density determination, suitable for laboratory environment.

$ 125.00

Using 5cm ³ standard measurement hammer volume, the accuracy of 0.001g, through the V-shaped groove placed riding code recovery equilibrate, can quickly and accurately measurement of liquid specific gravity.

$ 193.00

Using aluminum alloy material, the accuracy reaches 0.2%, the small hole design in the middle of the lid can overflow the excess sample without generating bubbles, improve the test accuracy, and the inner wall arc transition is easy to clean.

$ 127.00

High-quality stainless steel material, normal use without deformation; accuracy control within 0.2%; inner wall arc transition design, cleaning easier; lid with small holes can overflow excess samples, avoid bubbles, improve test accuracy.

$ 128.00

Made of aluminum alloy material, volume 37ml, measuring temperature 23 ℃, designed according to national standards, can be calculated in stages to ensure long-term Measurement accuracy, suitable for liquid Coating density determination.

$ 112.00

With large TFT backlight color screen and automatic temperature compensation function, urine specific gravity Measurement range 1.000~ 1.050, accuracy +/- 0.001, anti-light interference and IP65 waterproof and dustproof verification.

$ 304.00

Made of stainless steel, the accuracy is controlled within 0.2%, the inner wall arc design is easy to clean, and the small hole of the lid can overflow the excess sample to avoid bubbles, ensuring accurate and reliable measurement.

$ 128.00

Manufactured according to ASTM D 2162 and fully traceable to national standards, it provides rotor calibrated viscosity of 17.53mPa · s at 20 ° C and 14.26mPa · s at 25 ° C, and is compatible with a wide range of test equipment.

$ 471.00

The large diaMeter design is used to facilitate sample pouring in and out, the accuracy is controlled within 0.2%, the inner wall arc transition ensures easy cleaning, and the lid with small holes can overflow excess samples to avoid bubbles and improve the test accuracy.

$ 128.00

Measurement range of serum protein 0~ 14g/dl and urine specific gravity 1.000~ 1.060, accuracy of +/- 0.1 and +/- 0.001, support automatic temperature compensation and anti-light interference design, ensure stability and reliability.

$ 304.00

Articles

Drop Ball Method of Impact Testing Machine for Evaluating the Impact Resistance of Varnish
This article introduces the use of the falling ball method with an impact testing machine to assess the impact resistance of varnish. The method involves dropping a steel ball of specified weight from a predetermined height onto a test panel coated with varnish to observe whether the coating cracks or peels off, thereby evaluating its impact resistance.
Wet film thickness gauge measures the wet film thickness of varnish.
The wet film thickness gauge is a mechanical tool used to measure the thickness of liquid varnish coatings. It operates by rolling the gauge so that the tips of its teeth contact the substrate and leave marks. The thickness value is then obtained by the operator reading the scale of the first tooth that becomes coated with the varnish.
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.
Muffle Furnace Ash Test Method for Determination of Inorganic Filler Residues in Varnish
This article introduces the method of using the muffle furnace ash test to determine the residual amount of inorganic fillers in varnish. The inorganic substances in varnish can affect the performance of the coating, making accurate determination of ash content important for quality control.
Pull-off Adhesion Tester for Quantitative Measurement of Varnish Adhesion.
The pull-off adhesion tester quantitatively measures the adhesion strength between a varnish coating and the substrate by vertically pulling off a test column. It is essential to ensure proper substrate preparation, complete curing of the coating, and the use of a suitable adhesive during testing.
Buchholz indentation tester measures the indentation hardness of varnish.
The Buchholz indentation test is a method for measuring the indentation hardness of coatings such as varnishes. It involves applying a specific indenter to the coating surface under a standard load, and after unloading, the length of the residual indentation is measured. A longer length indicates lower hardness.
Visual color comparison method using colorimetric tubes to determine the color phase of varnish.
Colorimetric tube visual colorimetry is a method used to determine the color hue tendency of varnish samples by directly comparing them with a standard color scale using the human eye. During operation, samples and standard liquid columns should be prepared using colorimetric tubes of consistent specifications under standard lighting conditions, and the hue differences should be observed in parallel.
Flash point tester for determination of closed cup flash point of varnish
This article introduces the method for determining the closed-cup flash point of varnish using a flash point tester. The flash point refers to the minimum temperature at which the vapor on the surface of the varnish ignites momentarily when exposed to a flame after heating. It is a crucial indicator for assessing the fire risk during its production, storage, and transportation.
Thermogravimetric Analyzer for Determining the Solid Content of Varnish
The principle of determining the solid content of varnish using a thermogravimetric analyzer is as follows: when the sample is heated, volatile solvents and moisture evaporate, leading to a decrease in mass, while the remaining solid mass stabilizes. The solid content is calculated by comparing the initial and final mass ratios.
Adhesion Tester Pull-Off Method for Determining Adhesion Strength of Varnish
This article introduces the test method for measuring the adhesion strength of varnish using the pull-off method. It involves adhering test cylinders to the coating and substrate with adhesive, then vertically pulling them apart with an instrument to record the maximum pulling force and calculate the adhesion strength.
Key steps for measuring the efflux time of varnish using a viscosity cup method
This article introduces the method for measuring the outflow time of varnish using a viscosity cup. The principle is based on Poiseuille's law, where viscosity is estimated by recording the time it takes for the liquid to completely flow out from the small hole at the bottom of the cup—longer times typically indicate higher viscosity.
Application of Gloss Meter in Gloss Measurement of Varnish Coatings
A gloss meter is used to measure the gloss of varnish coatings by detecting surface-reflected light to quantitatively assess the appearance of the coating. The measurement is based on the principle of specular reflection of light, commonly employing angles such as 20°, 60°, and 85° to correspond to different gloss ranges, and follows standard formulas for calculation.
The pendulum hardness tester tests the scratch resistance limit of varnish.
The pendulum hardness tester measures the hardness of varnish by observing the attenuation of the pendulum's swing on the coating surface, with faster attenuation indicating a softer coating. The scratch resistance of varnish depends not only on hardness but also on elasticity and toughness. Hardness testing sets the basic threshold for scratch resistance.
Density Determination: Selection Strategy between Pycnometer Method and Densimeter Method
This article introduces two methods for measuring the density of substances: the pycnometer method and the densimeter method. The pycnometer method calculates density by measuring the mass of a sample of fixed volume. It is suitable for measuring liquids, powders, and small granular solids, offering high precision but slower operation, and requires temperature control.