Requirements and Quality Control in Wax Picking
The surface strength of paper and paperboard is determined by waxes. Paper testing waxes are heated and applied to the sheet's surface. This kit includes wax sticks as well as an alcohol light. The cross-sectional area of the wax is 1818 mm. Each Wax Pick is made of a durable, non-oily resin. Each package comes with eight identical sticks. It is simple, straightforward, and reasonably priced.
Paper Testing Waxes assess the surface strength or resistance to picking of uncoated and coated paper and paperboard. It does not apply to loosely felted papers like blotters or roofing felts, nor does it apply to some coated papers with thermoplastic resins in the coating adhesive.
These are intended for use by makers of paper and coated paper, printers, lithographers, and others involved in the production, inspection, and management of paper for coating and printing. The entire Wax series is available under the following number.
2A, 3A, 4A, 5A, 6A, 7A, 8A, 9A, 10A, 11A, 12A, 13A, 14A, 16A, 18A, 2 0A, and 23A are the letters.
On-Demand Standard Paper Testing Wax Kit: It includes one wax stick ranging from 2A to 231A, for a total of 17 wax sticks, as well as an alcohol lamp with a wick and a wooden draw block. There are also loose wax sticks available in a variety of denominations.
The following technological methods are employed:
- Waxes are heated and applied to the sheet's surface.
- The wax is removed from the surface when the form has cooled.
- To detect if the coated fiber has peeled away from the surface, wax is utilized.
- The pick strength of the sheet is determined by the highest-value wax that does not break the surface.
Wire bar Coater is a low-cost method for guaranteeing the consistent thickness of very thin coatings. Wire Bar Coaters are constructed of tightly coiled stainless steel wire and have a cylindrical form. The thickness of the coatings is determined by the diameter of these stainless steel wires. This applicator is composed of non-corrosive stainless steel and is simple to use and clean. This applicator works well with paint, ink, and other similar materials. It is effective with flexible materials such as paper, cardboard, charts, foils, and so forth. It is suitable for both manual and automated film applicators.
The coating thickness is determined by the width of the gap between the wire coils. When the material levels, a smooth, uniform thickness is produced. Impression beds hold the substrate material in place, allowing for precise drawdown.
The motorized equipment includes an offset blanket with a standard coating area (27 cm x 15 cm) as well as "Seven Nos. of Coating Rods" with varying coating thicknesses.
Parallel testing and multi-layer coatings are good examples. Wet film thicknesses of 10, 15, 25, 35, 50, 75, 100, 150, and 200 microns are available.
The following are the main characteristics of a professional wire bar coater:
- Outstanding stainless steel bar.
- Because of the smooth curved surface, cleaning is a breeze.
Go to UECIN's official website to learn more about anything.
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