Here at BDN Fasteners, we have categorized the kind of environments to the following based on its characteristics.  Scope of warranty for our products are also based on the category the environment is classified to.

• Dry, Rural Areas – Areas remote from the coast and sources of pollution; as well as all of the areas listed below.
• Mild Urban or Rural Areas –
  • Areas with little to no chemical pollution, including but not limited to natural chemicals such as ammonia from livestock or carbon monoxide from log-fire.
  • Areas far from the coast with no impact from salt water spray.
  • Areas at least 2 kilometers away from any type of industry, light or heavy.
• Light Industrial or Urban Areas
  • Light industrial zones, light manufacturing, warehousing, distribution, or limited light intensity activity areas.
  • Built up areas constituted of high human population and infrastructures.
  • Areas at least 1~2 kilometers away from light industrial or urban areas.
• Small Industrial Zones
  • Areas located in or adjacent to small industrial zones.
• Coastal Areas
  • Areas located approximately 2 kilometers from the coast.

BDN Fasteners – Surface Coating Class

Corrosion Resistance

• Class2 – SST 500hrs + Kesternich 5 Cycles
• Class3 – SST 1000hrs + Kesternich 7 Cycles & 15 Cycles
• Class4 – SST 2000hrs + Kesternich 15 Cycles

✓ Australian AS3566 Standard
✓ SGS Certified