Metallization-Colimet S.r.l.
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Home» FAQ

FAQ

Questions and Answers on the rapid galvanizing spray and metallization

 

  1. You can spray on painting? No. The surface must be pre-stripped and sanded preferably able SA 2,5 SADDLE 3.
  2. Si può verniciare il rivestimento ottenuto con la spruzzatura di zinco? It is because the coating is slightly porous and the paint penetrates into the pores.
  3. Che spessore di zinco devo impiegare? It depends on the aggressiveness of the environment.
  4. Quali spessori di zinco si ottengono con la zincatura a spruzzo? You can reach without any problem up to 300 µ , some materials can be overcome 500 µ.
  5. Posso metallizzare superfici di ferro i cui bordi sono stati preventivamente riscaldati? It 's very difficult because the sanding of the surfaces is more difficult, and then the angular profile is insufficient to enable the adhesion of the zinc.
  6. Può la metallizzazione riempire spazi interstiziali con parti giunte? Si essa copre i vuoti di modeste proporzioni.
  7. L’applicazione è molto rapida? It is why spraying zinc may cover up to 60 m²/h di superficie a 100 μ thick.
  8. Sono previste manutenzioni periodiche? No, perché lo zinco allunga il ciclo di vita del manufatto eliminando i costi periodici di manutenzione. If necessary, the coating can be removed without damaging the base metal and rispruzzato again. Vengono protette solo le superfici esposte mascherando quelle che non necessitano di rivestimento.
  9. Il rivestimento metallizzato ha la stessa resistenza agli urti dello zincato a caldo? No because it is all pure zinc format, mentre nella zincatura a caldo è formato da 4 layers of alloy Fe / Zn. Solo lo strato superficiale è Zn puro (25%).
  10. Can I spray zinc within closed profiles? It depends on the diameter of the tubes . For small diameters exist extensions to be applied to the guns which can reach 70 cm deep. It should be noted that the zinc of the outer coating acts always as the anode and tends to protect the parts of proximity discoveries. However the problem of condensation which tends to occur in the molded case (bogeyman of blacksmiths, carpenters and some end-users) perde sempre più di valore perché si trovano sul mercato tubolari e profili interamente zincati, obtained by profiling of galvanized strips and welded longitudinally in which zinc is reported with electric arc guns.
Nota Bene si veda anche:
a) Promemoria per il progettista industriale
b) Efficacia della zincatura a spruzzo
c) Raffronto zincatura a spruzzo e zincatura a caldo
d) Metallization or galvanizing spray?

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Colimet Ltd.: the corrosion Professionals

Colimet Ltd.: the corrosion Professionals. over 20 Preservation years against rust. galvanizing Systems spraying electric arc and zinc wires. multi-purpose machines: zinc, bronze, copper, inox. Representatives for Italy of Vertic Zinc Wire and Osu-Hessler. ___________________________________________ Colimet srl: Anti-corrosion Professionals. Over 20 years of anti-rust protection. Galvanizing systems spraying electric arc and zinc wires. Multipurpose machines: zinc, bronze, copper, stainless steel. Representatives for Italy of Vertic Zinc Wire and Osu-Hessler.

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