PAINTING ON GALVANIZED STEEL

Currently, materials such as zinc and stainless steel are used in many buildings as well as in housing structures. To ensure long-term durability as well as increase aesthetics, we choose paints to protect them.

However, the paint will not adhere well to galvanized steel surfaces. When using common paint, the surface may reject paint, eventually causing it to peel or shed. Therefore, it is a must to choose the paint systems that are specifically formulated for use on galvanized steel. 

1. Definition

Paint for galvanized steel can be a single-component or two-component paint which are capable of bonding and exist on the surface of galvanized steel pipes, hot-dip galvanized steel boxes, galvanized iron, galvanized steel roof panels, stainless steel bar, stainless steel box, etc. 

Paint for galvanized steel can adhere directly to the surface of zinc and stainless steel without primer, anti-corrosive paint, or chemical treatment. Also, it should have good adhesion and quick-drying.

Below are three types of paint that can be used for galvanized steel:

• One-component AC paint (Acid cured paint) 
• Two-component Epoxy paint (2K Epoxy) 
• Two-component polyurethane paint (2K PU paint)

Advantages of paints for galvanized steel

• No need to use primer, anti-corrosive paint, or chemical treatment
• Good weather resistance and UV resistance
• Quick-drying (about 20 minutes)
• Simple construction process and good dry film thickness when applied with a paint sprayer.

2. Classification

There are two kinds of paints for galvanized steel:

• One-component paint for galvanized steel
• Two-component paint for galvanized steel

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One-component paint for galvanized steel

Advantages: 

• No need to use prime
• No need to use solvent 
• Easy to apply, short construction time
• Low cost

Disadvantages

• Average adhesion
• Normal life expectancy
• Only for use under normal conditions

Two-component paint for galvanized steel

Advantages

• Excellent durability
• Can be applied for many purposes
• Can be applied to all surface

Disadvantages

• High cost
• Complicated construction process
• Long construction time

Currently, Mega Vietnam Chemical Company has been widely developing raw materials for paints on galvanized steel. Especially AC 1K plastic of Izel (Turkey), AC 2K from Sanmu (China), curing set imported directly from world-famous brands such as Tosoh (Japan). With products of trustworthy origin and an experienced technical team, Mega believes to be a reliable partner in coating production.  

>>> Click HERE for the best paint chemicals in the market 

Contact

MEGA VIETNAM

Office address: Floor 2-A2-IA20, Nam Thang Long Urban Area, Pham Van Dong Street,

Dong Ngac Ward, Bac Tu Liem District, Hanoi City, Vietnam

Tel: (+84) 24 375 89089; Fax: (+84) 24 375 89 098

Website: megavietnam.vn

Hotline: 1800.577.728 Zalo: 0971.023.523