The outer layer of cast iron guardrail has a great influence on the service life of the guardrail。 We can adopt some appropriate methods to prolong the storage time of the outer layer, thereby increasing the service life of cast iron guardrail。 Next, the small edition of cast iron guardrail in Shandong Province will give you a summary of the common methods for prolonging the preservation time of the outer layer of cast iron guardrail!
First of all: cast iron guardrail needs sand-clearing cast iron fence, grinding treatment, and then spraying rust-proof paint.
Secondly, the surface of cast iron fence can achieve a good anti-rust effect after pickling treatment。
Thirdly, dust the outer layer of cast iron wall should be removed regularly。 Soft cotton cloth is better for dust removal。
第四：要注意防潮。 因近年我国大部分地区酸雨肆虐,雨后应立即把残留在铸铁围墙上的雨水擦干 铸铁围墙护栏,虽然有点麻烦 铸铁围墙施工,但这招很管用。能使铸铁围墙的外层不受侵害。
Fourth, we should pay attention to moisture-proof。 In recent years, acid rain has been rampant in most areas of our country。 Rainwater left on cast iron fence should be wiped out immediately after rain。 Although it is a bit troublesome to construct cast iron fence, this method is very useful。 The outer layer of cast iron wall can be protected from damage。
Fifth: Anti-corrosion, try to avoid acidic and alkaline chemicals contact with the appearance of cast iron wall.
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