Initial Adhesion Steel Ball for Rolling Ball

The initial tack of an adhesive is measured by the rolling distance of a steel ball on an inclined plate. The steel ball rolls down the slope and stops on a surface coated with the adhesive, with a shorter rolling distance indicating stronger tack. This method is used for rapid tack testing of products such as adhesive tapes and labels.
Selection
When selecting initial tack steel balls, it is necessary to consider the steel ball specifications stipulated by the testing standards, such as the GB/T 4852 requirement for a series of steel balls ranging from 1/8 to 1 inch. Match the viscosity range of the material being tested, opting for larger diameter steel balls for high viscosity. Ensure that the steel ball material is chrome steel and free of surface defects, and pair it with an adjustable inclined plate angle device.
Tilt angle

Terms

Standards

Instruments

The equipment tests the initial Tack by short contact between steel ball and adhesive tape sample at a small pressure, adjustable tilt angle 0~ 60 °, rolling ball range 1/32 inch to 1 inch, suitable for a variety of material adhesion evaluation.

$ 240.00

Adopting the principle of the inclined rolling ball method, the adhesion is measured by the short contact between the steel ball and the sample, the adjustment range of the tilt angle is 0-60 °, and the rolling ball of 1/32 to 1 inch is supported. The width of the test area is 80mm.

$ 338.00

Adjustable tilt angle 0~ 40 °, the steel ball meets the standard of GB/T308 grade 40 or above, which is convenient for angle and position adjustment.

$ 299.00

Adopting the test principle of inclined rolling ball method, the tilt angle adjustment range is 0~ 40 °, equipped with 32 GCr15 bearing steel balls, and the shape tolerance accuracy exceeds GB/T308 level 40 to achieve accurate initial Tack evaluation.

$ 296.00

It adopts copper ring and steel ball structure, supports 2-3.55 gram steel ball configuration, and accurately determines the softening temperature of the material through the drop distance of 25.4 mm, which is suitable for all kinds of asphalt experiment needs.

$ 122.00

The total weight of steel ball load is 135 +/- 5g, and the test displacement is 30 +/- 1 °, which can automatically detect water permeability and stop counting, and support the simultaneous testing of 1 to 4 test pieces.

$ 2137.00

Impact performance of the reflective film can be accurately measured by using the principle of free fall of steel ball, steel ball mass 450 +/- 3g, drop 250mm, reasonable structure and simple operation, safe and reliable measurement.

$ 582.00

Adopting the principle of rolling timing of the ball by inclined columnar measurement tube, the viscosity range 0.5-1000 00mPa · s, Temperature range -20 ℃ to 120 ℃, Repeatability is better than 0.5%, and the sample sealing measurement has no external interference.

$ 4882.00

Using R2.5mm steel ball to apply 20N pressure, test at standard temperature for 60 minutes and then evaluate the thermal deformation performance of the material through measurement of Crane diaMeter, which is suitable for testing of various electrical components.

$ 196.00

Equipped with three replaceable spindles, plate spindle measurement 0-22 poise fluid, small ball spindle coverage 0-350 poise range, large ball spindle suitable for 0-75 poise range, to meet the testing needs of different viscosity samples.

$ 715.00

Using imported Sensor and motor, Measurement range 0~ 200N, accuracy less than +/- 1%, can store 20 sets of data and automatically print reports, support a variety of substrate replacement.

$ 3419.00

Measurement range 0~ 500N, accuracy less than +/- 1%, can store 20 sets of results and print reports, humanized fixture supports a variety of substrates.

$ 3419.00

Rotation speed of the ball mill can reach 850rpm, the minimum discharge particle size can reach 0.1μm. It supports dry grinding, wet grinding and other grinding methods, and has adjustable speed rolling and intermittent operation functions.

$ 2379.00

Sensor and motor imported, Measurement range 0~ 300N, accuracy less than +/- 1%, can store 20 sets of data and automatically calculate the maximum, minimum, average, support a variety of substrate testing.

$ 3419.00

Using imported Sensor and motor, Measurement range 0~ 50N, accuracy less than +/- 1%, can store 20 test results and print reports, humanized fixture supports changing substrate.

$ 3419.00

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.
Application of Initial Tack Tester in the Detection of Pressure-Sensitive Hot Melt Adhesives
The initial tack tester is a device used to measure the initial adhesive properties of pressure-sensitive hot melt adhesives, primarily by employing the rolling ball method or probe method to assess the adhesive force at the moment of contact.
Operation Specification for Determining the Softening Point of Resin Using the Ring-and-Ball Apparatus
This article introduces the standard procedure for determining the softening point of resins using the ring-and-ball method. The softening point is a critical indicator for evaluating the thermal properties of resins. During testing, the resin is heated until it deforms under the weight of a steel ball to a specified distance, and the corresponding temperature is recorded.
How to choose between the rolling ball method and the inclined plate method for initial tack testing instruments
The rolling ball method and the inclined plane method are two commonly used techniques for testing the initial tack of adhesive materials. When selecting an instrument, factors to consider include the material's application scenario (such as adhering to spheres or anti-slip on inclined surfaces), the requirements of industry testing standards, and the data needs (discrete grades or continuous numerical values).
Application of Initial Tack Tester in the Adhesive Products Industry
The initial tack tester is used to measure the adhesive force of adhesive products upon initial contact, which is important for the research, development, and quality control of products such as tapes and labels. It simulates the process of materials making contact and then separating, records relevant data, and helps evaluate performance.
How to Choose Between the Ring and Ball Method and the Cup and Ball Method for Softening Point Testers? Read This and Stop Worrying
This article introduces two main methods for determining the softening point of materials: the ring-and-ball method and the cup-and-ball method. The ring-and-ball method is more widely used and is suitable for materials such as asphalt. It involves measuring the temperature at which a steel ball causes the sample to sink. The cup-and-ball method is often used for specific resins or wax products, relying on the flow of the sample or the penetration of a steel ball to determine the endpoint.