During the running of prepainted steel coil coating line, the strip off tracking is a very common fault problem. For example, the horizontal force caused by the installation problems of roller or rack. And there also have the following deviation phenomenon….
The chemical composition of galvalume layer in hot-dip galvalume steel products isn’t a specific point or area on phase diagram. It’s a composition with better performance chose according to the need. 1. The choice of aluminum content Aluminum content of aluminum products is…
Steel market forecast of this week. Last week the steel market still shows shaking running mode, but it becomes better than that of before. Currently, the steel market fundamentals does not changed largely. And the merchants do not have the great…
1. Color Coated Galvanised Iron Sheets bad solvent resistance. Characteristics : Butanone wipe lose the punctiform paint. There are many causes: (1) The baking temperature does not reach the requirement. (2) The painting solidification meet some problems. (3) Pretreatment is…
Cupping Test Experimental Objective Its objective is to evaluate its anti-cracking and seperate performance within the stands and condition. Relevant standard GB/T 9753-88 “The paint and varnish cup drawing test” Main points of the test method Measure principles People push…
