The outer layer of cast iron guardrail can largely maintain that the guardrail receives some corrosion from the outside. Once the outer layer is damaged, the life of the guardrail will be greatly reduced. Now Shandong cast iron guardrail manufacturer teaches you how to keep the outer layer for a longer time, hoping to help you!
First of all: cast iron needs sand cleaning, grinding, and then spraying rust-proof paint。
Second: The surface of cast iron fence should be pickled.
Thirdly, the outer layer of cast iron fence should be cleaned regularly. Dust removal is best done with soft cotton cloth.
Fourth, we should pay attention to moisture-proof. As acid rain has been raging in most areas of our country in recent years, the rainwater left on the cast iron fence should be wiped out immediately after rain. Although it is a bit troublesome, this method is very useful. The outer layer of cast iron fence can be protected from damage.
Fifth: Anti-corrosion, try to avoid acidic and alkaline chemicals contact with the appearance of cast iron fence.
Thank you for your serious reading. If you have any questions to follow up, please consult the customer service staff of Shandong Iron Fence. I believe we will give you a satisfactory answer, http://www.kpp647.com.