Overview
RDS 42 #L2000φ 10 wire-wound Applicator rod is a wire-wound Metering rod produced by RDS in the United States. RDS has more than 80 years of experience in the development and production of coating rods. Its products are based on the Mayer rod coating method, which is known for its simplicity, accuracy, uniformity and economy. This type of bar is suitable for a variety of substrates and can quickly change the coating weight for a wide range of film thickness control.
Features
1. Derived from the American RDS brand with a history of more than 80 years, with reliable quality.
2. Adopt the classic "Mayer" wire winding rod design, which is widely used and popular.
3. Steel wire can be disbonded and rewound, helping to save costs and reduce waste.
4. Provide more than 70 kinds of steel wire size selection to meet different wet film thickness requirements.
5. The mandrel is made of stainless steel 303, with chrome plating on the surface for good durability.
6. Accept customization, up to 12 feet long, flexible to meet specific application requirements.
Principle
The Working Principle of the Applicator rod is based on the Mayer rod coating method. As the coating flows through the stainless steel wire tightly wound around the mandrel, the gaps (cavities) between the wires determine the final wet film thickness left on the substrate. Excess coating is scraped off, resulting in a uniform, thickness-controlled coating on the substrate.
Applications
Coating, window film, adhesive tape, release paper, photovoltaic film, wall covering material, special paper
Standards
The data did not mention specific compliance criteria.
Steps
Select the appropriate rod number (e.g. 42 #) according to the desired wet film thickness (e.g. 106.7μm).
2. Apply the Applicator rod correctly to the Spreader device to ensure that the effective application width (1900mm) matches the substrate.
3. Coating is applied so that the Coating flows through the surface of the Applicator rod.
4. Applicator rod scrapes off excess Coating when substrate passes, leaving a uniform wet-film of predetermined thickness.
5. Clean up in time after use to prevent Coating from clogging the wire gap.
Notice
* Coating thickness of the wire winding rod is controlled by the gap determined by the diameter of the wire (such as φ 1.07mm), and the selection needs to match the target wet film thickness.
* After use, it should be cleaned thoroughly in time to prevent the residual Coating from drying up and blocking the steel wire gap, which will affect the next Spreader effect.
During operation, pay attention to protecting the chrome plating layer on the surface of the rod body to avoid scratches on hard objects to prolong the service life.
The rod is a wire-wound type, and its wire clearance is relatively easier to clog than that of a molding rod, requiring enhanced maintenance.
When storing, it should be properly placed to avoid bending or compression deformation of the rod body.
* For high viscosity coatings, consider using double-wound or notched rods to reduce the risk of clogging.
