Home > Products > Coating Instrument > XB-I/II Unibody Wire Bar Coaters
XB-I/II Unibody Wire Bar Coaters
- 1000 Set / Sets per Month
- Shanghai
- T/T Credit Card
Product Details
Brand Name: | JIURAN | Place of Origin: | Shanghai, China | Model Number: | XB-I/II |
Product Description
Wire bar coaters is a round stainless steel bar tightly wound with stainless steel wire. The diameter of the rod and wire vary in size depending on type of application.
The diameter of the wire, in the wound form, regulates the thickness of the coating. During the manufacturing process, tight tolerances are held along with strict quality control. Every item is 100% inspected and individually packaged.
Theory and Principle.
The coating thickness is governed by the area of the groove between the coils of wire as shown in the diagram. This groove or space allows the right amount of coating to pass through. The amount that has passed through flows out or congeals, leaving a smooth, uniform thickness on the substrate. The groove area is determined by the size of the wire, hence, the larger the wire, the larger the groove. Accurate thickness of coating from fractions of a mil and up can be achieved with this coating method. The desired thickness can be repeated again and again with little loss of time and expense. Applicator Rods are available in any length, a variety of diameters and almost any wire size. They are manufactured of ground and polished steel and the very finest of wires.
Application.
•Adhesives •Board •Cellulose •Ceramic Colors
•Cosmetics •Driers •Duplicating Inks •Emulsions
•Fillers •Polishes •Lacquers •pigments
•Powders •Oils •Paper •Photographic Papers
•Plastics •Inks •Resins •Varnishes
•Waxes & Hotmelts
Use and Procedure.
Drawdowns are an inexpensive method of making laboratory samples to determine coating thickness, substrate penetration, fluid compatibility, bond strength, etc. Drawdown rods enable the technician to perform these tests with a minimum of effort.
The procedure is as follows:
Drawdown In Use
Drawdown Plate and Rod
Attach (or tape) a sample of the most suitable substrate to the glass surface of the Drawdown Plate.
Using a spatula, place a small pool of coating liquid near the top of the sample sheet.
Immediately grasp the ends of the Drawdown Rod. Using the thumbs of both hands to keep the rod from bowing or bending away from the sample, draw the rod down through the liquid pool spreading and metering the fluid across the sample sheet. As the drawdown is made, note the behavior of the coating and any possible reaction with the substrate. (Note: It may be convenient to construct a small trough of cardboard to catch the excess liquid as it is drawn to the bottom edge of the drawdown board.) Immerse rod in Cleaning Tray after use.
The coated sample is now ready for testing.
If the coating application is too thin, use a rod with a larger diameter wire. Hence, if the coating is too thick, use a rod with a smaller diameter wire.
The wet film thickness shows the wet film thickness that may be obtained from a given wire size. However it is impossible to chart exact film thickness for all coatings since there are so many variables. The wet film thickness is based on 100% solids, no evaporation, no penetration into the substrate. Rod diameter and rod pressure may also affect film thickness. The chart is intended to serve as a guide only in selecting wire size.
XB-I Ordering Info.
Cat.No | Film Width(mm) | Total Length(mm) |
|
6um | 200 | 240 |
|
8um | 200 | 240 |
|
10um | 200 | 240 |
|
12um | 200 | 240 |
|
15um | 200 | 240 |
|
20um | 200 | 240 |
|
25um | 200 | 240 |
|
30um | 200 | 240 |
|
40um | 200 | 240 |
|
50um | 200 | 240 |
|
Additional Specification:60,80,100,120,150,200um |
XB-II Ordering Info.
Cat.No | Film Width(mm) | Total Length(mm) |
|
12um | 300 | 400 |
|
15um | 300 | 400 |
|
20um | 300 | 400 |
|
25um | 300 | 400 |
|
30um | 300 | 400 |
|
40um | 300 | 400 |
|
50um | 300 | 400 |
|
60um | 300 | 400 |
|
80um | 300 | 400 |
|
100um | 300 | 400 |
|
120um | 300 | 400 |
|
150um | 300 | 400 |
|
200um | 300 | 400 | |
prices for domestic shipments only. |
Comes complete with
Wire bar coaters
Storage Case
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