Table header Tianxing: The great care of multiple crafting processes, the exquisite inside and outside unification guarantees the extremely high reliability of the instrument. High-strength pointer ensures long and incorrect operation with…

Degree is a professional terminology of physics, which refers to the ability of the local material to resist the compressive properties that push onto its surface. There are many kinds of hardness testing approaches, such as: Brinell, Rock…

Portable Webster hardness tester is precise and its service life depends on whether it is maintained right and timely as well as appropriately. During it is being in use, there are the following points that have to be paid attention to: 1.…

Hardness is a professional terminology of physics, which refers to the ability of the local material to resist the comprehensive properties that push onto its surface. There are many kinds of hardness testing approaches, such as: Brinell, …

Portable Webster hardness tester is precise and its service life depends on whether it is maintained right and timely as well as appropriately. During it is being in use, there are the following points that have to be paid attention to: 1.…

1.Definition of anodic oxidization Anodic oxidization is a kind of electrolytic oxidation. In this process the surface of aluminum alloy generally transfers into a oxidation film, which has protection, decoration and some other functions. …

The chemical polishing and chemical transformation of Aluminum ( electric ) 1.The effect of chemical polishing or electro-polishing Chemical polishing is an advanced finishing treatment. It can remove not only the slight mold marks and scr…

Definition and functions of chemical pretreatmentTaking advantage of the technique with chemical solution or solvent to have pretreatment towards the aluminum surface can be effectively remove the greasy dirt、pollutants、natural oxide fil…

The purposes of mechanical pretreatment To provide favorable expressional conditions and raise the quality of surface finish; To level up the products; To reduce the impact of welding; To create the ornamental effect; To acquire a clean su…

The Techniques of the Surface Treatment of Aluminum Alloy Low density The density of aluminum is about 2.7g/cm3, which is the second lightest mental in metal construction , merely going above magnesium. Its density is only one third of iro…