Zinc-rich primers offer excellent adhesion properties, as well as galvanic protection for structural steel surfaces. When in contact with structural steel, zinc primers corrode preferentially to the steel, protecting it from damage.
These primers tend to offer flexibility for applicators, as top coats do not need to be applied immediately following the primer. Some zinc-rich primers also offer near permanent corrosion protection of steel.
This type of industrial coating is well suited for industrial, coastal, marine and freshwater environments. This may include use on steel tanks, offshore platforms, barges, refineries, petrochemical and power plants, as railcar coatings, pulp and paper mills and other areas where advised.
Topcoating:
After curing, it may be coated with conventional primers and finishes such as epoxy, coal tar epoxy, vinyls, phenolics, urethanes, acrylics & chlorinated rubber.
Substrates: It is used as base anti-corrosion primer for steel structure and equipment surface in mining, derrick, shipbuilding, port and wharf, steel structure, bridge, iron tower, petroleum pipeline, chemical industry, metallurgy and other industries. It can also be used as maintenance primer and anti-corrosion primer for galvanized sheet surface.
Basic parameters |
Color |
Zinc grey |
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Gloss |
Varies |
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Solid content |
80% |
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Dry film thickness |
50µm |
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Theoretical volume |
250g/m² |
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Flash point |
25°C |
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Drying time (25°C) |
Surface≤0.5h, actual drying time≤24h, complete curing 7d |
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Re-coating interval |
Substrate temperature |
5°C |
25°C |
40°C |
Shortest |
48h |
24h |
16h |
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Longest |
Unlimited, but Zinc salt must be removed before re-coating |