Which of our products is the most suitable for your requirements?
Hot-dip galvanising
+ Hollow sections are also zinc-coated
+ Less susceptible to damage due to thick zinc coating
+ Good connection between zinc coating and base material
– Chance of deformation with thin material < 5mm
– Post-treatment of screw thread applications
– Removal of zinc drops
– Higher environmental impact: more zinc and energy consumed
Zinc flake
+ Hollow sections are also provided with a protective coating
+ Very high corrosion protection > 1000 hours
+ No chance of hydrogen embrittlement
+ Low environmental impact
– Multiple layers are required to cover contact spots
– Long lead time (minimum 8 hours)
– Duration
Magnelis
+ Very high corrosion protection > 1000 hours
+ Self-healing capability, no post-treatment required on the cut or saw edges
+ Suitable for marine, chloride and ammonia-rich environments (sea, swimming pools and stables)
– Duration
– Availability
| Galvanising process | Corrosion resistance | Indoor Use | Outdoor Use | Layer Thickness * | Surface | Appearance |
|---|---|---|---|---|---|---|
| UltraProtect® | +++++ | ++ | ++ | ** | smooth | dull grey |
| Hot dip galvanisation | +++ | + | + | ***** | rough | dull grey |
| Electro zinc plating | ||||||
| Thick layer Passivation plank with topcoat | +++ | + | + | ** | smooth | greyish |
| Thick layer Passivation yellow with topcoat | +++ | + | + | ** | smooth | light yellowish |
| Thick layer Passivation blank | ++ | + | +/- | * | as base material | iridescent |
| Thick layer Passivation yellow | ++ | + | +/- | * | as base material | light yellow iridescent |
| Blue passivization | + | + | – | * | as base material | bluish |
