Mechanical galvanizing is in a rotating drum containing plated parts, glass balls, zinc powder, water and accelerators. The glass balls as the impact medium rotate with the drum, and friction and hammering on the surface of the plated parts generate mechanical physical energy. Under the action of chemical accelerators, the zinc powder coated is "cold welded" to the surface of the round lifting long chain to form a smooth, uniform and fine coating with a certain thickness.
The technical standard adopts American ASTM B695-2000 and military C-81562 mechanical galvanizing technical standard. Its quality characteristics are as follows:
1. Smooth appearance, no zinc tumors, burrs, silvery white;
2. The thickness is all controllable and can be selected arbitrarily within 5-107μm;
3. No hydrogen embrittlement, no temperature hazard, which can ensure the mechanical properties of the material remain unchanged;
4. It can replace part of the hot-dip galvanizing process;
5. Good corrosion resistance, neutral salt spray test up to 240 hours.
Application scope: steel nails, iron nails, fasteners, tap water pipe joints, scaffolding fasteners, round chains, etc.
