De Boer Snijbedrijf B.V. De Boer Snijbedrijf B.V. region
For small parts
Rotocoat can also hot-dip galvanise small steel parts. The Rotocoat centrifuge galvanising plant is one of the most modern in Europe, making use of a unique, fully automated centrizink® process that results in an enduring zinc coating.
The plant comprises a closed, environmentally friendly, pickling installation for pre-treating the steel parts, which are then placed in cages and submerged in the zinc bath. After galvanising, the cages are placed in the centrifuge, where they are spun at high speed to remove the excess zinc quickly and efficiently. The result is a high-quality zinc coating. When they leave the centrifuge, the parts are cooled in a special cooling emulsion at a constant temperature. This cooling process also makes a major contribution to the final quality of the galvanised product.
The benefits of galvanisation
The zinc alloy is hard, wear- and chip-proof, and can cope well with mechanical loads. If it does get damaged, a chemical reactionfollows: 'cathodic protection"m which prevents rust in products that have been galvanised properly. Only galvanising provides this unique protection. So cutting edges or drilling holes after galvanising does not affect the useful life of the object.
Galvanising takes place in accordance with NEN-EN-ISO-1461. This standard sets out the general properties of, and testing methods for, the coatings applied to steel objects with hot-dip galvanising.
Because the molten zinc gets into every nook and cranny, even locations that are difficult to reach, like seams, narrow openings and the inside of tubes, are covered with a layer of zinc. There are often problems with conventional protection systems at edges and in corners because the protective layer is thinner there. Hot-dip galvanising actually results in a slightly thicker, high-quality, zinc layer in these places. The edges of profiles and sheets are therefore covered in a way that is unique in its kind.
Good price-quality ratio
Hot-dip galvanising is certainly no more expensive than other conventional protection systems for steel. Galvanising can be completed quickly, and regardless of the weather conditions. Time no longer needs to be wasted at the building site on corrosion protection. Hot-dip galvanised material can be subjected to full mechanical loads straightaway. On top of that, galvanised materials are highly durable and maintenance-free. The price-quality ratio for hot-dip galvanising is excellent, particularly in the long term.
No material is lost when hot-dip galvanised products are ultimately replaced. The steel and the zinc are recovered and can be used again. The useful life of certain products can be extended considerably by degalvanising and regalvanising them. The small quantity of zinc that is lost enters the cycles of life as an essential element, playing a useful role there also.
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