7591 839 Long-acting thick-paste antifouling coating
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  • 7591 839 Long-acting thick-paste antifouling coating

7591 839 Long-acting thick-paste antifouling coating

7591 is a high-performance, long-lasting, copper‑free self‑polishing antifouling coating formulated with an acrylic resin base, cuprous oxide as the primary antifouling agent, and various deep‑penetrating additives. The resulting paint film delivers outstanding antifouling performance, providing sustained protection against marine biofouling on ship hulls for a period of 36 months or longer.

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7591 839 Long-acting thick-paste antifouling coating

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Product Description

Product Introduction

7591 is a high-performance, long‑lasting, self‑polishing antifouling paint formulated with acrylic resin as the binder, cuprous oxide as the primary antifouling agent, and various auxiliary additives. The resulting coating delivers outstanding antifouling performance, effectively preventing marine organisms from fouling the ship’s hull for an extended period, with an antifouling service life of 36 months or longer.

 

Application areas
It is suitable for use as an antifouling paint on marine structures such as ship hulls, piers, offshore platforms, navigation aids, and submerged steel gates to prevent the attachment and fouling of marine organisms.


Product Information
Appearance: Red and brown
Solid volume: 56±3%

Recommended dry film thickness: 50–100 μm (corresponding to a wet film thickness of 89–178 μm)
Theoretical coverage (100 µm): 5.6–11.2 m²/L or 2.55–5.1 m²/kg
Specific gravity: 2.2 kg/L
Flash point: 28°C

 

Construction conditions

The substrate shall be clean and dry, and the application temperature must be at least 3°C above the dew point to prevent condensation.

It is recommended to apply this product under conditions where the relative humidity is below 85%.

This product can be applied in environments as low as -10°C.

Ensure adequate ventilation during the drying process.

During maintenance, any residual self‑polishing or erodible antifouling paint must be removed with an appropriate cleaning agent to eliminate surface oils and other contaminants, followed by a thorough rinse with high‑pressure fresh water to remove poorly adherent saponified layers.

During maintenance, whether or not to apply a topcoat depends on the type and condition of the remaining antifouling paint.

 

Painting method
Application Method: Airless Spraying

Thinner 102 Thinner

Dilution ratio: 0–5% (by weight of the paint; the actual amount added can be adjusted according to on-site application methods)

Nozzle diameter: 0.4–0.5 mm

Ejection pressure: 15–30 MPa

 

Drying time

Temperature

5℃

10℃

20℃

30 °C

Finger-dry

6 hours

3 hours

1.5 hours

1 hour

Pragmatism

36 hours

30 hours

24 hours

16 hours

 

Recoating interval

Subsequent coating

Temperature

5℃

10 °C

20 °C

30 °C

Antifouling paint

Shortest

36 hours

24 hours

16 hours

8 hours

Longest

15 days

15 days

15 days

15 days

 

Dock-out time

Temperature

5℃

20 °C

30 °C

Shortest dock-out time

36 hours

24 hours

16 hours

Maximum dock-out time

15 days

15 days

15 days

 

Paint film thickness

Docking Interval (months)

New ship construction

Old vessel maintenance

12 months

100um X 1

100um X 1

24 months

100um X 2

100um X 2

36 months

100um X 3

100um X 3

 

Packaging Specifications

21.5 kilograms

 

Shelf life

12 months

 

Safety measures

See the company’s Material Safety Data Sheet (MSDS).

 

Disclaimer: The information and data provided herein are based on our testing and practical experience, and are intended as a guide for application. For applications carried out under conditions beyond our control, we warrant only the quality of the paint itself; we assume no responsibility for any other issues. We reserve the right to revise this instruction manual in light of ongoing product improvements.

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