Application of Coating Thickness Tester
First of all, why do we need a coating thickness tester? Because the paint film is too thick, the most obvious thing is to waste the paint. The exceeding film thickness will not improve the period of anti-corrosion, rust and better appearance. The quality of the coating can also be negatively affected. Drying is affected: If the coating film is too thick, the drying of the volatile paint will not be good and the solvent will remain in the paint film. Although the surface layer is dry, the lower layer is soft, and it is easy to cause the bonding between the coating and the substrate.
Take thick paste chlorinated rubber and vinyl coatings, we may find such a phenomenon, sometimes the bottom of the paint is sticky after the paint surface is hard to dry, because the solid content of the paint itself is not high. The solvent residue is most likely to occur. Generally, the paint film thickness is specified as 40-50 mm, because too thick a paint film will make the paint film surface solidify. If it is too thick, oxygen cannot penetrate into the bottom of the coating, resulting in insufficient curing below. In addition, for curing paints such as epoxy paint, if the paint film is too thick, it will cause internal shrinkage, which will cause cracking and peeling of the paint. The paint film's performance will be affected if the paint film is too thick. Generally speaking, the thicker the paint thickness, the worse the bending resistance, especially the two-component paint coating.
Therefore, in summary, it is necessary to choose a convenient and practical coating thickness tester in the production process. For the dry film gauge, there are various types on the market. Linshang coating thickness tester is a good choice for everyone. Firstly, it only needs to be simply zeroed without calibration to achieve the accuracy requirements. Secondly, it measures quickly. The instrument responds as fast as possible, which greatly meets the rapidity in the production process. In addition, the coating thickness tester uses advanced digital probes to keep the zero position stable for a long time without drifting. The repeated test data at the same location is stable. The measurement data is accurate and repeatable. In addition, the corrosion thickness gauge can be dual-use for both iron and aluminum, intelligently identify the measurement substrate and quickly and automatically convert.
In short, the use of a paint thickness gauge can reduce the waste of paint and improve the quality of the coating, while the coating thickness tester on the forest measures quickly and accurately, is easy to operate, can intelligently identify the measurement substrate, and achieve rapid switching. Great superiority, so it's worth a try.
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