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Epoxy Zinc-rich Primer

2K SOLVENTBORNE EPOXY ZINC-RICH ANTI-CORROSION PRIMER


PRODUCT DESCRIPTION

This is a two-component polyamide cured zinc-rich epoxy coating. It is a very high zinc dust-containing product. It provides excellent corrosion protection as part of a complete coating system. Suitable for carbon steel, repair of inorganic zinc silicate coating, and damaged galvanized steel substrates.


FEATURES & APPLICATION

  • Excellent cathodic protection, anti-corrosion, and wearing resistance; 

  • Easy to reach high thickness and good application properties; 

  • Good weather resistance, rapid drying; 

  • Less burn during gas-cutting and welding; 

  • Strong adhesion to the surface, good compatibility with various topcoats.


As a primer on sandblasted steel, epoxy zinc-rich primers can be used in combination with high-performance paints to further improve corrosion resistance. Mainly used as primer for steel surface of bridges, ships, petrochemical infrastructure, containers, steel structures, etc.


PRODUCT PICTURES

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Front

Back


APPLICATION AREAS

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Substations

Substations

Transmission lineTransmission line


RECOMMENDATION

Recommended viscosity: 

  1. Airless spray: 45″—55″ 

  2. Air spray: 20±2″ 

  3. Brush: 35″—45″


Surface preparation: 

  • The substrate temperature must be 3°C above the dew point; 

  • Rinse away salt and other water-soluble contaminants with clean water; 

  • Remove grease according to SSPC-SP1 solvent cleaning standards; 

  • Sandblasting to remove rust, oxide, and damaged shop primer to ISO Sa2.5 (SSPC-SP10); After sandblasting and rust removal, the primer must be sprayed within 4 hours; 

  • Suitable for pre-treated bare steel; 

  • Blow away dust and other dirt with high-pressure air; 

  • Make sure the surface is clean and dry before application.


Safety Precautions: 

  • The following measures shall be guaranteed during any paint applications: 

  • Avoid skin and eye contact; 

  • In case of skin or eye contact, flush with a large amount of water and immediately get medical attention; 

  • Assure good ventilation; 

  • Observe all health and safety regulations on-site.


COMBINED SOLUTIONS FOR REFERENCE

1.Cost-effective solution for moderately polluted environment

   Epoxy zinc rich primer + Polyurethane topcoat


2.Cost-effective solution for heavily polluted environment

   Epoxy zinc rich primer + Epoxy MIO micaceous iron oxide intermediate coat + Polyurethane topcoat


3.Platinum solution for normal and low-pollution environment

   Epoxy zinc rich primer + Fluorocarbon topcoat


4.Cost-effective solution for moderately polluted and heavily polluted environments

   Epoxy zinc rich primer + Epoxy MIO micaceous iron oxide intermediate coat + Fluorocarbon topcoat


TECHNICAL DATA SHEET

No.

Items

Technical Data

1

Zn % in dry film

60

2

Specifiic gravity

2.5

3

Dry film thickness um

75

4

Solid by weight %

88±2

5

Theoretical spreading rate m2/kg (75μm)

3.26

6VOC  g/L
370
7Mixing ratio2K, A/B = 10/1 by weight
8PackageA:30 Kg; B:3 Kg, metal bucket both
9Induction time  min15 min
10

Curing time hrs

/

0℃10℃20℃30℃

Surface dry

30min20min10min5min
Walk-on-dry24hrs18hrs10hrs8hrs
Dried for service7d5d
3d2d
Pot life24hrs10hrs8hrs7hrs
Baking (60℃)2hrs
11
Dry to over-coat
/0℃10℃20℃30℃
Min.20hrs20hrs18hrs10hrs
Max.----
12Shelf life24 months
13Thinner5%,specific thinner


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