Chrome-free Sealant, Transparent
PN-7
Properties
1. PN-7 does not contain hexavalent chromium.
2, PN-7 can be used on hexavalent and trivalent chromium passivation layer inorganic silicon polymer systems.It can also be used on through "chrome-free" process components.
3 PN-7 can form a layer of transparent organic protective film, generally does not affect the original color of the passivation layer.
4. the Process passivated galvanized components can be obtained than the original increase of 20% -30% of the NSS (when used as a sealant), and without white rust,according to ASTMB117 standards.
5. It is easy to operate, for a variety of ways, such as centrifugal type dip coating, spray coating and so on.
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