OH-SUNG TECH's Ulsan plant is Korea's only manufacturer of zinc flake (a key pigment used in corrosion protection for steel components and structures). We manufacture a wide range of zinc flake products and strive to meet our customers' needs with superior quality.

OSUS-ZF : ZINC FLAKE : pigments applied to anticorrosive coatings
Flake metal powder produced by the high- energy ball milling method
Reasonable price, mass production (30ton / Month)

OSUS-SZF : Due to the average particle size is lower compared to current products, so the adhesion       
is excellent and thin film coating is possible.
Developed smaller Zinc Flake is advantageous for coating complex morphologies and piece of the parts segments.
Features : This is the pigment most applicable to thin film coatings (>6 ㎛) with precise and complex shapes
Application : Applicable to industrial bolts, automotive parts, and common Fe-based accessories.


OSUS-LZF : Large- particle zinc flake is a pigment applicable to heavy industry, shipbuilding, and marine structures.
It is a key raw material for eco- friendly coatings that meet recent environmental policies and marine environmental regulations.
Application : Ships, Bridges, Plants, Large Industrial Structures