But first, what are wire bar coaters?
A wire bar coater is an instrument that applies inks and coatings on paper surfaces using the traditional coating method i.e. by a Meyer bar. This equipment helps provide a uniform coating to the substrate via a steel rod or bar. This corrosion-resistant steel bar is wrapped by a wire and together is responsible for an accurate coating of ink, paints, adhesives, starch, varnishes, etc. Here, you must note that the thickness of the coating’s layer depends on the diameter of the wire. While the choice of this diameter is based on the viscosity of the coating and the expected coat thickness, and the speed of coating.
The wire coating method is basically apt for materials that have a viscosity range between 1 and 1000 centipoise. The absorbency of the substrate and the slow properties of the coating determines the actual deposit from a wire wound bar.
Benefits Of Using A Wire Wound Bar Coater
- The wire wound bar coater is made of corrosion-resistant stainless steel. This means that even after using it multiple times, the bar is not going to catch corrosion and the coating will always be smooth and uniform.
If you’re looking for an instrument that can check the rub resistance of the coated paper or material, check out the scuff tester by UEC.
- In addition to being apt for paper coating tests, this coater is great for thin or very thin films such as foils.
- All kinds of flexible materials such as paper, cardboard, foils, textiles, leather, etc. can be coated and tested using this coater.
- It also enables simultaneous drawdown of multiple specimens. This saves time, increases productivity, and also reduces the effort of the operator.
- It comes as a motorized unit, which is placed on an offset blanket. This blanket has a standard coating area of 27 cm x 15 cm.
- Seven coating rods that provide variable coating thicknesses, also come with the wire coater.
Conclusion
Know more about the functionality and benefits of the wire bar coating equipment from the experts at UEC. Also, visit our website to explore a wide range of pulp, paper, and packaging testing machines.
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