Thin Film Fastener & Metal Hardware Coating

by Kalyan Dhakane

Recently, EFFCO Finishes and Technologies Pvt. Ltd. introduced a nontoxic and environmentally friendly paint formulation under the trade name ECOMET corundum. It has been found that the ECOMET corundum painted bolts having scratches of 0.5 mm and 1 mm do not corrode, whereas a bolt having a scratch of 1.5 mm, corrodes within one to two days after the scratch is made. The aim of the investigations presented in this article is to find out the reasons of the corrosion in the scratched region of the coated steel bolt.

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