Forming test bars

Molded test bars are standard-sized rod-shaped samples produced by injection molding or compression molding of materials, used for testing mechanical properties such as tensile and flexural strength. They are commonly employed in quality inspections in the plastics and coatings industries.

Instruments

A 20-point temperature transducer is used to monitor layer changes, equipped with hard chrome metal platen and drying airflow system to ensure test accuracy and repeatability, and the temperature layer can reach a maximum of 100K.

$ 67205.00

Specially designed for short bars, it provides daily storage, cleaning and maintenance functions, and meets the ASTMD823-53 standard, which can improve the efficiency of bar use and extend its life.

$ 231.00

Designed for long bars, it can store multiple Rods at the same time, conforming to ASTMD823-53 standard, which is convenient for daily cleaning and maintenance operations and effectively extends the service life of the tool.

$ 249.00

The density accuracy is 0.001g/cm ³, the weighing range is 0.005~ 600g, and it is equipped with an integrated forming large sink and Draft Shield, which is suitable for field testing.

$ 483.00

Adopt stainless steel special-shaped temperature layer plate, temperature range -7 ℃~ 70 ℃, display error is less than 0.5% +/- 1 word, equipped with water-cut protection and semiconductor refrigeration technology, reduce noise, easy to accurately judge the film formation temperature.

$ 2942.00

Grinding hard chrome metal pressure plate, adjustable temperature range -10~ 80 ℃, equipped with 10 point temperature transducer, through drying air flow to prevent condensation, ensure test repeatability, in line with a number of international standards.

$ 43671.00

Konig and Persoz swing bars are used, Konig swing period is 1.4s, Persoz swing period is 1s, and the number of swing angles is automatically recorded, which is suitable for accurate determination of paint film Hardness.

$ 662.00

The equipment adopts white water circulation system, equipped with electric sizing and aeRodynamic bubble homogenizing functions, the diaMeter of the extraction cylinder is 200mm and the capacity is 8 liters. It supports external vacuum suction, and the volume is small and easy to move.

$ 1493.00

Wet film thickness 22.9 microns, diaMeter 9.52 mm, the forming Rod uses an extrusion process to process continuous grooves, with no wire breakage and easy cleaning; the wire-wound Rod is based on the traditional principle, and there are differences in coating amount.

$ 167.00

Using metal layer plate structure, Temperature range -7~ 70 ℃, support 13 point temperature measurement, can simultaneously Spreader 6 samples, through drying air flow and layer temperature to achieve accurate film formation detection.

$ 3704.00

The integrated forming large water Tank design has a density accuracy of 0.001g/cm ³, which can quickly measure solids and liquids, support temperature compensation and solution compensation, and is easy and fast to operate.

$ 307.00

Film Film thickness 22.9μm, Spreader width 30cm, wear-resistant stainless steel material, molding process, suitable for low viscosity glue and thermal glue experimental Spreader.

$ 186.00

Using platinum resistance temperature transducer and intelligent temperature regulator, the display error is less than 0.5% +/- 1 word, equipped with semiconductor refrigeration and water cut protection system, layered plate temperature range -7~ 70 ℃, 6 test Tanks can measure 5 samples at the same time.

$ 2884.00

Equipped with seven steel shaft Rods of different diaMeters, it can simulate a variety of bending conditions, tested in 22 +/- 1 ° C environment, the shaft Rod length is 35 mm, which can accurately evaluate the film bending performance.

$ 190.00

It can accurately test the surface tension of a variety of materials, support the selection of 28-56 bars, uniform and stable water outlet, and effectively control the mass to avoid tool delays.

$ 86.00

Articles

How to choose a laboratory coater? Which one should you buy: wire bar, scraper, or slot die?
This article introduces three methods for selecting laboratory coating machines: wire bar coating is suitable for low-viscosity coatings, offering low cost and simple operation; blade coating is ideal for medium-to-high viscosity slurries or those containing particles, with a wide range of film thickness control; slot-die coating provides the highest precision and is suitable for high-end applications such as electronic films.
Laboratory rod coater for submicron wet film preparation of photoresist.
This article introduces the process of using a laboratory bar coater to prepare submicron wet films of photoresist.
The wire bar coater with heating and vacuum adsorption is used for the preparation of perovskite solar cell layers.
This article introduces a new technique for preparing the light-absorbing layer of perovskite solar cells: a wire-bar coater with heating and vacuum adsorption capabilities.
The polymer film is formed by blade coating on a glass substrate using a film applicator.
This article introduces the technique of using a film applicator to doctor-blade polymer films onto glass substrates.
The oral dissolving film is uniformly coated by a film applicator and then dried and formed.
Oral dissolving films are prepared by a coating mechanism, where a liquid containing film-forming materials is uniformly applied onto a substrate, followed by drying to remove the solvent and form a solid film.
Key Points for Controlling Coating Longitudinal Uniformity with Manual Rod Coater Constant Speed Dragging Techniques
This article discusses how to control the longitudinal uniformity of the coating by dragging at a constant speed when using a manual wire rod coater. A constant-speed drag is crucial, as it directly determines the consistency of the wet film thickness.
Derivation and Validation of the Quantitative Relationship between Wire Diameter and Wet Film Thickness in Wire Wound Coating Bars
This paper investigates the relationship between the wire diameter in a wire-wound rod coater and the wet film thickness. Theoretically, under ideal conditions, the wet film thickness is approximately half of the wire diameter.
Actual Coating Thickness Deviation of Stainless Steel Wire Rod Coaters at Different Slurry Solid Contents
This article analyzes the actual coating thickness deviation of stainless steel wire rod coaters under different slurry solid contents. The study finds that the solid content of the slurry affects its viscosity and flowability, leading to deviations in the actual coating thickness from the theoretical value.
Testing principle of the mandrel bending method for paint film flexibility tester
The shaft-rod bending method is a common technique for testing the flexibility of paint films. It involves bending a test panel coated with the paint film over shafts of different diameters to simulate the deformation of the coating under stress.
Paint Flexibility Tester for Measuring Bending Adaptability
The coating flexibility tester is a device used to assess whether a coating cracks or peels when bent. During testing, the coated sample is bent around mandrels of different diameters, and the surface condition is examined. The flexibility is evaluated based on the smallest mandrel diameter at which no cracking occurs.
The role of a bending stiffness tester in evaluating the rigidity and formability of cardboard.
The bending stiffness tester evaluates the rigidity and formability of cardboard by measuring its resistance to bending deformation. Based on the beam bending theory, it is tested under standard conditions, providing bending stiffness value as the core indicator.
The determination of the yield value of ink using a falling bar viscometer.
This article introduces the method of measuring the yield value of ink using a falling rod viscometer. The yield value refers to the minimum stress required for the ink to start flowing, which is crucial for print quality.
Cone Bend Test Evaluates the Ultimate Deformation of High-Elasticity Coatings
This article introduces the use of a conical mandrel bend test to evaluate the ultimate deformation capacity of highly elastic coatings. The test involves bending a coated sample around a conical mandrel of specific diameters and observing the minimum mandrel diameter at which the coating cracks or peels off, thereby assessing the material's ability to withstand deformation.
Coating film preparation techniques: comparison between wire-wound applicators and wet film preparators
This article compares two commonly used tools in laboratory coating film preparation: the wire rod coater and the wet film applicator.
The laboratory coating machine easily coats various aqueous and oily slurries.
The laboratory film applicator is a precision instrument used to prepare uniform coatings on substrates, primarily operating on the principle of a blade or wire-wound rod. It allows adjustment of parameters such as speed and pressure to control coating thickness.