Technical Data Sheet

AQUA ROVAL Cold Galvanizing Compound
Description
AQUA ROVAL Cold Galvanizing Compound contains 95% zinc powder in its dry film. Equivalent anti corrosion performance to hot-dip galvanizing. It is an environmentally friendly water-based type while
keeping the outstanding anti-corrosion ability of ROVAL Cold Galvanizing Compound.

Liquid productComponents

Zinc powder(Packed separately)

Paint solution

Specific Gravity(Mixed state)
Dilution
Theoretical coverage
Application Conditions

3.10kg/L (± 0.10kg/L)
Water
For 40μm DFT: 4m²/kg or 0.25kg/m²
For 80μm DFT: 2m²/kg or 0.5kg/m²
Temperature 5-40°C, Humidity < 85%
The metal substrate temperature < 50°C

Product warranty period

1 year from manufacturing date (unopened)

Pot life (Mixed state)

Within 8 hours

Storage

Protect from sunshine and store in a well-ventilated place.

Dry filmColor

Gray

Gloss

Matte
95% (± 1%) by weight, use zinc ingot with a purity of 99.995% .

Zinc content

AQUA ROVAL conforms to the standard ASTM A780 in regard of
its use as repair coating for hot-dip galvanizing.

Dry film thickness

80μm (40μm x 2 coat)
For 40μm DFT at 20°C, humidity 50% condition

Drying time>> Touch dry and overcoating: 30 min>> Fully cured: 24 hours

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Surface Preparation
AQUA ROVAL requires direct contact between the zinc dust in the film and the metal substrate foroptimum performance. Since the surface must be dry and free of any other paint and contaminants,
employ adequate methods to remove them thoroughl y.
(1) Salt: Use high pressure washing to remove salt deposits.
(2) Oil: Wipe off perfectly with solvent rags.

Steel surface

PurposeGalvanized surface

Hot-dip-galvanizing

Long-term rustalternative

prevention

SurfaceMill scale, Red rust,condition

Old paint film, Welded part

Improved anti-corrosion performance ofnew galvanized surfaces.
Renovation of old galvanized surfaces.
Red rust,
Old paint film,
Welded partNo red rust
(Only white rust)ISO8501 Sa2 1/2 *1

ISO8501 St3

ISO8501 St2

SurfaceRemove all the rust

Use a power tool to expose a clean

Use a hand tool topreparationand mill scale bymetal surface.

remove white rust.

sandblasting*1 Confirmation method: Compare the surface with standard photograph by visual observation.

Adequate agitation of products
AQUA ROVAL pots are sold with their zinc powder and paint solution packaged separately. Just before
use, stir the paint solution, then add the zinc powder little by little. After that, stir the mixture well witha power paint mixer until the lumps disappear.
Powder : liquid = 4 : 1
Pot-life: The mixture should be used up within 8 hours.

Coating method
Brush / Roller

Dilution by water: 0~2%
Use Gravity feed spray gun.

Conventional sprayNozzle size: 2.0~3.0 mm,

Pressure: 0.3MPa

Dilution by water: 0~5%
Tip size: above 0.017inches (e.g.517)
Air-less sprayPressure: above 20MPa,

Gun filter: #50~60

Dilution by water: 0~2%

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Coating Specifications
AQUA ROVAL + AQUA ROVAL
Theoretical

Practical Coverage *1

CoatingDry film

Coverage

BRUSH

SPRAY

Interval

Thickness(g/m²)(g/m²)(g/m²)

(min)

(μm)

Surface Preparation(1 st coat)
AQUA ROVAL(2 nd coat)
AQUA ROVAL
Total

Refer to [Surface preparation]
250

300

325

> 30 *24025030032540500600

65080*1 Practical coverage includes 20% of loss for brush application, and 30% for spray application*2 Depends on temperature and humidity

Properties
Test itemHardness

Method used

ResultJIS K5600-5-4:1999 (ISO/DIS15184:1996)

Pencil HB

Pencil scratching
JIS K5600-5-6:1999 (ISO2409:1992)

Adhesion

Peel off a sticky tape on 25 cells check pattern

No abnormality(square: 2mm x 25)
Heat resistanceElectrical constant temp. drier

No abnormality

170°C, 24 hours
Low temp. cycle test for 72 cycles

Cold resistance<1 cycle> Left at -30°C for 5 hours andNo abnormality

Left at +10°C for 1 hour

Anti-corrosion performance
Test item

Water immersion

Testing method

Immersed in ion exchanged waterDuration

10 days

JIS K5600-7-1:1999 (ISO7253:1984)
Salt spray

5%NaCl (pH6.5~7.2)

2256 hours

Temp of spray chamber: 35±1°C
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No abnormality otherthan white rust

No abnormality otherthan white rust2023/10/04

Packaging & Painting area
1 kg set(Powder 800g : Liquid 200g)
5 kg set(Powder 4kg : Liquid 1kg)
20 kg set
(Powder 16kg : Liquid 4kg)

2 m² / set *4 sets / case

10 m² / set *1 set

40 m² / set *1 set* The theoretical coating area is displayed. For practical coverage, consider a 20% loss with brush application,
30% loss with spray application.

Refer to✓

AQUA ROVAL Safety Data Sheet

https://rovalworld.com/TDS-AR

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