Experimental Comparison of Epoxy Zinc-rich Primer and Graphene Zinc Anti-corrosion Coating
Release time：
Jun 06,2024
Zindn graphene zinc is another core product launched by Zindn after cold galvanizing. It is a heavy-duty anti-corrosion primer made of pure thin graphene. It has been widely used in industries such as petroleum, chemical industry, bridges, electricity, marine engineering, machinery manufacturing, smelting, energy, and environmental protection, and has been well-received by owners.
Zindn graphene zinc is another core product launched by Zindn after cold galvanizing. It is a heavy-duty anti-corrosion primer made of pure thin graphene. It has been widely used in industries such as petroleum, chemical industry, bridges, electricity, marine engineering, machinery manufacturing, smelting, energy, and environmental protection, and has been well-received by owners. It has the advantages of simple construction, low surface treatment, fast drying, long durability, high coating rate, and green environmental protection. Compared with conventional coatings, it has a high cost-effectiveness and is an upgraded alternative product of traditional epoxy zinc-rich primers. It is especially suitable for anti-corrosion and anti-rust in harsh corrosive environments such as high temperature, high acid and alkali, and high humidity for a long time.
Now let's do an experimental comparison with the traditional epoxy zinc-rich primer:
1. Coating Film Color Appearance Comparison
Graphene zinc coating film is dark gray and
the color of epoxy zinc-rich primer is light gray
2. Bendability Comparison
Graphene zinc and epoxy zinc-rich primers have good bending resistance
3. Comparison of Flexibility and Crack Resistance
Graphene zinc (260- 350um) does not crack after 50 days of hot and cold cycles between -20 degrees and 60 degrees. The excellent mechanical properties of
graphene ensures the excellent anti-cracking performance of
graphene zinc coating. Epoxy zinc-rich primer (220- 260um) cracks. Traditional epoxy zinc-rich primer coatings are usually
prone to cracking in specially shaped structures and welding places, thick films, and corners.
4. Impact Resistance Comparison
Graphene zinc and epoxy zinc-rich primers have good impact resistance
5. Pull Apart the Adhesion Comparison
Graphene zinc is as high as 10 MPa, far exceeding that of ordinary epoxy zinc-rich primer
6. 3000 Hours Salt Spray Performance Comparison
After 3000 hours of neutral salt spray test, the graphene zinc scratch edge rust is less than or equal to 1mm, and there is no rust and blistering on the board surface.
The epoxy zinc-rich primer scratch edge rust is more than 3mm, and some parts of the board surface are rusted. The salt spray resistance of
graphene zinc is significantly better than that of epoxy zinc-rich primer.
Compared with epoxy zinc-rich primer, graphene zinc has better adhesion, more excellent salt spray resistance, better anti-corrosion performance, and is more suitable for use as a long-term anti-corrosion primer with high cost performance.
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