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Precautions and rust reasons of Dacromet bolt application

2021-01-11 10:28:51
Times

Dacromet bolt refers to the anchor bolt plated with Dacromet on the surface of the anchor bolt. It is a new kind of surface solution technology. Compared with traditional electroplating, if it is only more anti-corrosion and air oxidation, then hot-dip galvanizing and mechanical galvanizing are better choices. However, apart from these two aspects, because the surface of the anchor bolt is thickened, these two surface solutions make the matching of the anchor bolt and the nut more difficult. Therefore, considering from a large number of aspects, Dacromet bolt is a better choice.

Dacromet bolt is a kind of "green electroplating" anchor bolt. Compared with general hot-dip galvanizing, mechanical galvanizing and hot-dip galvanizing, it is more friendly to the natural environment and is not easy to cause environmental pollution.

In the whole process of applying Dacromet bolts, the following matters should be noted:

1. Dacromet bolts can embrittle rapidly when exposed to light source, so the whole process of sizing should be carried out in the room.

2. If the baking temperature of Dacromet bolt is too low or too high, it will lose its anti-corrosion ability. Therefore, Dacromet bolts should be baked in a suitable temperature range.

3. Dacromet bolts have a short life span and should be used up as soon as possible.

4. The wear resistance of Dacromet bolt is weak, so it is necessary to coat the bottom of Dacromet bolt with other wear-resistant coating.

In the future, we should also pay attention to the corrosion of Dacromet bolts. There are four reasons for the corrosion of Dacromet bolts

1. The solved Dacromet bolt is applied together with the clamping seal ring. Because the etching potential difference between the two metal composites is different, the Dacromet bolt with lower potential difference is more likely to be etched.

2. If the coating on the surface of Dacromet bolt is not evenly covered, the corrosion will gradually increase in the area not covered.

3. Since the rust on the unsmooth embryo is not removed by the preparation treatment, bright red rust will appear under the coating.

4. Dacromet bolts are not resistant to corrosion, so corrosion is also caused by strong acid and alkali natural environment.


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Address: Gouli, Xin'an Town, Deqing County, Huzhou City, Zhejiang Province

Company email: leaves7937@foxmail.com

Company Tel: 0572-8182103