Production process and characteristics of powder coatings
Powder coating is completely different form from general coating, it exists in the state of fine powder.Powder coating is a new type of 100% solid powder coating without solvent.So it's called powder...
When can a plate heat exchanger be used
Speaking of the plate heat exchanger, in the structure, the four corner holes on the plate, the formation of the fluid distribution tube and the discharge manifold, two kinds of heat transfer media...
Notes on using photographic paper
1, ink box and photo printing paper must be used in the same package. 2. The glossy side of the photographic printing paper is the printing surface, and the printing side must be put into the paper...
Simple Analysis of Matting Paper Printing
In the printing process of matt paper, there is often such a problem that the drying performance is poor, the drying speed is slow, and it is easy to “off the ink” during the post-press processing,...