Methods for preparing and applying hot-dip galvanized screw thread protective agent
A technology of hot-dip galvanizing and protective agent, applied in hot-dip galvanizing process, coating, metal material coating process, etc., to achieve the effect of unaffected performance.
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[0008] Ingredients and pulping: In 1000 ml of xylene, add 50 grams of silicone resin, 35 grams of low-melting glass powder, 10 grams of chromium trioxide, 25 grams of china clay, and 15 grams of aluminum powder. After batching, it is stirred in a mixer at 1000-2000 rpm to form a protective agent slurry.
[0009] Coating method: After removing the rust and oil and dirt on the workpiece, place it in a temperature environment of 5 degrees Celsius, and use the protective agent slurry to coat the thread area of the workpiece for 1-2 times, and control the thickness of the protective agent slurry to be 20-30 Between microns, place it at room temperature for more than 24 hours, so that the protective agent is dry and attached to the thread of the hot-dip galvanized workpiece, and then the workpiece is hot-dip galvanized.
[0010] Thread protection principle:
[0011] Since the protective agent slurry is composed of solvent, resin, metal oxide and glass powder, when it is coated on...
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