3, reduce the bivalent iron ion in the plating aid used for hot plating wire, reduce the formation of zinc slag

Copper sulfate point test is a simple way to quickly distinguish ordinary carbon steel and all types of stainless steel wire rope. The concentration of copper sulfate solution used is 5%-10%. Before the point test, the experimental area should be thoroughly removed from the oil or other impurities, and a small area should be polished by grinding machine or soft grinding cloth, and then the test liquid drops to the grinding place. Ordinary carbon steel or iron in a few seconds will form a layer of outer metal copper, and the surface of stainless steel does not produce copper precipitation or display copper color.

Packing is also very important. The cut wire should be bundled and tightly packed with plastic film, and then placed in a regular box. The whole box should be filled and sealed. It is better not to have half a box.

Head spears, often intricately crafted with precision and adorned with symbolic designs, were more than just weapons; they were status symbols and expressions of cultural identity. The skill required to execute a successful head spear attack was highly respected, and the warriors who mastered this technique were revered for their agility, accuracy, and fearlessness.

Thermal insulation aluminum extruded profiles for doors and windows

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