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Image | Product + | Brand | Price | Availability | Qty |
M8x90 Roofing Bolts Zinc Plated (Pack of 100)*Product Code: FM08-090RB-Z | Fixings Megastore |
£26.42 Ex VAT: £22.02 | 561 Packs In Stock | ||
M8x90 Roofing Bolts Zinc Plated (Pack of 1)Product Code: M08-090RB-Z | TIK Products |
£0.28 Ex VAT: £0.23 | 100 Packs In Stock |
Zinc coatings prevent oxidation of the protected metal to create a longer lasting finish. It does this by forming a barrier and by acting as a sacrificial anode if this barrier is damaged. Zinc oxide is a fine white dust that (in contrast to iron oxide) does not trigger a breakdown of the substrates surface integrity as it is formed. The zinc oxide, if left intact, can act as a barrier to further oxidation, in a way similar to the protection afforded to aluminum and stainless steels by their oxide layers.