Varnish Abrasion Machine

The varnish abrasion tester applies constant pressure and reciprocating motion to the surface of the sample through a rotating friction wheel, simulating the daily wear process. Its function is to quantify the wear resistance of coatings, and it is used for durability testing of varnish layers in applications such as furniture and automotive paint finishes.
Selection
When selecting, consider the load range and the type of wear wheel corresponding to the testing standards, match the fixture specifications with the sample size, ensure the motor speed accuracy meets the error requirements, and ensure the equipment is equipped with automatic shutdown functionality and a wear depth measurement device.

Terms

Standards

Instruments

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.

$ 538.00

Using reciprocating motion to simulate transportation abrasion, Friction Frequency 0~ 2.5Hz adjustable, Test Travel 12.7~ 50.8mm, support continuous test 0~ 24 hours, suitable for a variety of can sizes and pressure conditions.

$ 102337.00

Can test inks multi-directional adhesion at the same time, Friction Frequency 43cpm, Friction Load 2lb/4lb, Abrasion Resistance evaluation by measurement density or Coating thickness reduction, support 0-99999 automatic shutdown.

$ 832.00

Scruf Travel 20-300mm adjustable, speed range 1-60cpm, equipped with TFT full color display and intelligent Operating interface, supports manual testing and is compatible with a variety of standard accessories, suitable for coating Abrasion Resistance evaluation.

$ 12766.00

Adopt reciprocating friction method, Friction Frequency 0~ 2.5Hz, Test Travel 12.7~ 50.8mm, can simulate coating abrasion during transportation, support continuous test 0~ 24 hours.

$ 102337.00

Measurement range 0~ 1250μm, suitable for LEEB220 and LEEB222 Coating thickness Gauge, Abrasion Resistance is good, suitable for a variety of nonmagnetic Coating thickness detection.

$ 157.00

With four adjustable friction Frequency 21/43/85/106cpm, friction load 20N, support linear reciprocating friction movement, power-off memory function to ensure that paraMeters are not lost, effective analysis of coating adhesion and wear resistance performance.

$ 1447.00

Can set the moving distance 0.5-4 inches, Rotation speed 2-60 times/min and other paraMeters, support wet and dry abrasion test, can test any size or shape sample, ensure test Stability and accuracy.

$ 1122.00

The grinding head reciprocates within 110mm Travel, and the Friction Frequency is adjustable from 20 to 60cpm. It cooperates with 1000g weight to test Abrasion Resistance under different pressures, and the digital display counter directly displays the number of frictions.

$ 1300.00

The width is 11/16inch, and each roll can be tested for about 1800 turns. It needs to be stored at a temperature of 23 +/- 2 ° C and a Humidity of 50 +/- 10% environment to ensure test Stability and Repeatability.

$ 81.00

Three sets of samples can be tested simultaneously, supporting two standard methods of no presser foot and presser foot, adjustable fixture movement amplitude, frequency conversion speed regulation, and automatic counting and shutdown functions after reaching the set number of times.

$ 7335.00

Scruf Travel 20-300mm adjustable, with +/- 1% speed accuracy, equipped with TFT display and intelligent Operating interface, supports multiple languages and accessories expansion.

$ 15011.00

Made of stainless steel, the range is 10~ 100μm, Division 10μm, Dimension 65 * 36 * 1.5mm, suitable for Paints, varnish and other Coating Coating thickness measurement.

$ 119.00

11/16 inch standard width paper tape, capable of completing approximately 1800 cycles of testing per roll, must be stored at 23 +/- 2 ° C and 50 +/- 10% Humidity to ensure Stability.

$ 377.00

It has two LISHARU graphic motion track test modes, supports 60 × 40mm moving range, adopts 4 grinding head design, and the non-turning guide plate is convenient for sample loading operation.

$ 1719.00

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.