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How to effectively avoid rusting of hot-dip galvanized bolts

How to effectively avoid rusting of hot-dip galvanized bolts

(Summary description)Hot-dip galvanized bolts are a relatively good anti-rust surface, but in the face of weathering and corrosion in nature, rust appears. In order to avoid this phenomenon, the following measures will be taken.

How to effectively avoid rusting of hot-dip galvanized bolts

(Summary description)Hot-dip galvanized bolts are a relatively good anti-rust surface, but in the face of weathering and corrosion in nature, rust appears. In order to avoid this phenomenon, the following measures will be taken.

Information

Hot-dip galvanized bolts are a relatively good anti-rust surface, but in the face of weathering and corrosion in nature, rust appears. In order to avoid this phenomenon, the following measures will be taken.

First of all, we need to pack the hot-dip galvanized bolts after galvanizing. Reasonable selection of packaging methods can effectively avoid rust and extend the life of the use. Such as galvanized iron sheet metal is the best, the box can be placed in a desiccant with the right amount of humidity to reduce the relative humidity compatible to reduce and prevent harmful gas storeroom erosion.

In order to prevent the anti-corrosion treatment of non-standard screws, it is already degreased, and the rust-proof screws and nuts in the rust-removing and anti-corrosive agent tank swim freely, or the zinc and chromium compounds are used to form a protective film on the metal surface, forming a spray method, and drying and cooling And then repeat the process once more.

Phosphate treatment is a chemical treatment of phosphate containing metal to metal surface to form a phosphate protective film. Phosphating treatment solution is insoluble in water and has excellent adhesion of phosphate film as its main purpose. Bottom layer and coating Cold-adsorbed lubricant metal layer. Since the phosphate coating is composed of a series of different sizes of zinc, manganese, hydrogen phosphate and iron phosphate crystals, the film is porous, has a large specific surface area, has a good absorption, an adsorbed coating or a large amount of lubricant It is often used as a primer, or cold stamping to reduce friction and lubricating layers of steel and cold drawn steel wires

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