Epoxy Sealer Paint

Epoxy Sealer Paint

Two-component, polyamide-cured penetrating epoxy sealer for steel structures and porous primers such as inorganic zinc coatings in moderate to severe corrosion.

  • Suitable as a primer or intermediate sealing coat.
  • Good penetration, adhesion and application.
  • Free of lead, mercury, chromium and cadmium.

PTO-EPS2410 SEALER PRIMER

1 PRODUCT DESCRIPTION

A two-component polyamide cured epoxy paint with excellent penetrating performance to the porous primers, like inorganic zinc coating.

2 RECOMMENDED USE

As a primer or intermediate coat can be used as a zinc-rich primer sealing coating in steel structure at industrial moderately to severe corrosive environments of new construction and maintenance

FEATURES

  • Excellent adhesion low requirement of surface treatment and perviousness.
  • Good applicability.
  • Good adhesion.
  • Environment friendly and free of Pb, Hg, Cr& Cd.

4 COMPLIED STANDARDS

Complies with the standard HG/T4566-2013 “Epoxy Resin Primer”

5 PHYSICAL PROPERTIES    

ItemSpecification
ColorGrey
Gloss, GU@60°No requirement
Mixing RatioBase/Hardener = 12/6 (by weight)
Specific gravity, g/cm³0.96±0.1
Volume Solids, %27±2%
Weight Solids, %35±2%
Film thicknessDry: 10–30 microns/coat
Wet: 37–111 microns/coat
Theoretical Coverage0.107 kg/m² / 30 microns
Practical: Variable on surface conditions, environment, application method, etc.

6 APPLICATION

Application Temperature: 5℃-40℃

Application Condition: The relative humidity of the air should not greater than 85%.

The substrate temperature is 3℃ higher than the dew point.

Pot life: 

Temperature (℃)

5

20

30

Pot life (hrs)

16

8

4

 Application Methods: Airless spray, Air spray , Brush and roller

Airless spray 

Nozzle tip size 

0.43mm ~ 0.53mm

Nozzle pressure

15 Mpa以上 

Thinning ratio    

20-30% by volume

Air spray

Nozzle tip size 

2mm-3mm

Nozzle pressure

0.3-0.6MPa

Thinning ratio    

20-30% by volume

 

刷涂、滚涂Brush/Roller

Dilution ratio    

0-10% by volume

Thinner: Epomarine thinner

Drying time & Overcoating interval: 

Temperature

10℃

20℃

30℃

Dry to touch 

3hrs

2hrs

2hrs

Dry hard    

30hrs

16hrs

12hrs

Min interval 

30hrs

16hrs

12hrs

Max interval

Applied substrate: 

Bare steel or suitable primed surface.

Coating system: Epoxy intermediate coat or according to the coating system PUNTIUM

7 SURFACE PREPARATION

  • Remove salt and other water-soluble contaminants by fresh water.
  • Remove oil and grease with suitable detergent or solvent(SSPC-SP 1).
  • Remove rust, mill-scale and other foreign materials completely by abrasive blasting to achieve ISO Sa2 1/2(SSPC-SP 10) or better.
  • All coated surface must be clean, dry and free from any dust.

8 STORAGE

Store in dry, cool conditions, and away from sources of heat & ignition. Containers must be kept tightly closed.

Shelf life: 12 months/25℃

Shelf life:Subject to re-inspection thereafter.

9 CAUTIONS

SAFETY PRECAUTIONS

The following measures shall be ensured in all paint applications:
Avoid skin and eye contact.
If paint comes into contact with skin, wash with warm water and/or suitable cleanser. If paint comes into contact with the eyes, flush with copious amount of water and seek immediate medical attention.
Ensure good ventilation. Avoid inhalation of spray mist or vapour.
Application and handling of this product should be in compliance with relevant national regulations. Detail information is given on SDS.

DISCLAIMER

The information provided in this manual constitutes the most comprehensive and accurate data currently available to us. As the operating conditions of the product are beyond our control, this information does not constitute any warranty and is solely intended to assist the buyer in product selection. Given that our products and manufacturing processes are continuously evolving, this manual will be updated accordingly. All information herein shall be subject to our confirmation. Before using the product, please ensure that you have the latest version of this manual.

PREPARATION DATE: 2020-03-26

REVISION DATE: 2026-02-04

PTO-EPS2410 SEALER PRIMER

1 PRODUCT DESCRIPTION

A two-component polyamide cured epoxy paint with excellent penetrating performance to the porous primers, like inorganic zinc coating.

2 RECOMMENDED USE

As a primer or intermediate coat can be used as a zinc-rich primer sealing coating in steel structure at industrial moderately to severe corrosive environments of new construction and maintenance

FEATURES

  • Excellent adhesion low requirement of surface treatment and perviousness.
  • Good applicability.
  • Good adhesion.
  • Environment friendly and free of Pb, Hg, Cr& Cd.

4 COMPLIED STANDARDS

Complies with the standard HG/T4566-2013 “Epoxy Resin Primer”

5 PHYSICAL PROPERTIES    

ItemSpecification
ColorGrey
Gloss, GU@60°No requirement
Mixing RatioBase/Hardener = 12/6 (by weight)
Specific gravity, g/cm³1.6±0.1
Volume Solids, %80±2%
Weight Solids, %78±2%
Film thicknessDry: 20–40 microns/coat
Wet: 25–50 microns/coat
Theoretical Coverage0.060 kg/m² / 30 microns
Practical: Variable on surface conditions, environment, application method, etc.

6 APPLICATION

Application Temperature: 5℃-40℃

Application Condition: The relative humidity of the air should not greater than 85%.

The substrate temperature is 3℃ higher than the dew point.

Pot life: 

Temperature (℃)

5

20

30

Pot life (hrs)

16

8

4

 Application Methods: Airless spray, Air spray , Brush and roller

Airless spray 

Nozzle tip size 

0.43mm ~ 0.53mm

Nozzle pressure

15 Mpa以上 

Thinning ratio    

20-30% by volume

Air spray

Nozzle tip size 

2mm-3mm

Nozzle pressure

0.3-0.6MPa

Thinning ratio    

20-30% by volume

Brush/Roller

Dilution ratio    

0-10% by volume

Thinner: Epomarine thinner

Drying time & Overcoating interval: 

Temperature

10℃

20℃

30℃

Dry to touch 

3hrs

2hrs

2hrs

Dry hard    

30hrs

16hrs

12hrs

Min interval 

30hrs

16hrs

12hrs

Max interval

Applied substrate: 

Bare steel or suitable primed surface.

Coating system: Epoxy intermediate coat or according to the coating system PUNTIUM

7 SURFACE PREPARATION

  • Remove salt and other water-soluble contaminants by fresh water.
  • Remove oil and grease with suitable detergent or solvent(SSPC-SP 1).
  • Remove rust, mill-scale and other foreign materials completely by abrasive blasting to achieve ISO Sa2 1/2(SSPC-SP 10) or better.
  • All coated surface must be clean, dry and free from any dust.

8 STORAGE

Store in dry, cool conditions, and away from sources of heat & ignition. Containers must be kept tightly closed.

Shelf life: 12 months/25℃

Shelf life:Subject to re-inspection thereafter.

9 CAUTIONS

SAFETY PRECAUTIONS

The following measures shall be ensured in all paint applications:
Avoid skin and eye contact.
If paint comes into contact with skin, wash with warm water and/or suitable cleanser. If paint comes into contact with the eyes, flush with copious amount of water and seek immediate medical attention.
Ensure good ventilation. Avoid inhalation of spray mist or vapour.
Application and handling of this product should be in compliance with relevant national regulations. Detail information is given on SDS.

DISCLAIMER

The information provided in this manual constitutes the most comprehensive and accurate data currently available to us. As the operating conditions of the product are beyond our control, this information does not constitute any warranty and is solely intended to assist the buyer in product selection. Given that our products and manufacturing processes are continuously evolving, this manual will be updated accordingly. All information herein shall be subject to our confirmation. Before using the product, please ensure that you have the latest version of this manual.

PREPARATION DATE: 2023-08-05

REVISION DATE: 2026-02-04

Waterborne epoxy sealant primer

1 PRODUCT DESCRIPTION

This product is a clear varnish composed mainly of waterborne epoxy resin and waterborne epoxy curing agent. It has excellent adhesion and strong sealing performance.

2 RECOMMENDED USE

Designed for sealing porous substrates such as concrete, cement mortar and masonry. It effectively prevents migration of moisture, alkali and other harmful substances, thereby preventing bubbling, peeling and efflorescence. It is also suitable for pre-treatment of walls and floors in new and existing buildings, providing a solid, smooth base for subsequent decorative or protective coatings and enhancing the durability and appearance of the coating system.

3 FEATURES

  • Good adhesion.
  • Excellent sealing performance on cement surfaces.
  • Good compatibility and easy application.
  • Environmentally friendly and low VOC.

4 COMPLIED STANDARDS

Complies with HG/T 4761-2014 “Waterborne Polyurethane Coatings”.

5 PHYSICAL PROPERTIES

ColorIron red or gray
GlossNo requirement
Mixing RatioBase/Hardener = 19/2 by weight
Specific Gravity1.05±0.1
Volume Solids22±2%
Weight Solids35±2%
Film ThicknessDry: 40–60 microns/coat; Wet: 182–273 microns/coat
Theoretical Coverage0.239 kg/m² at 50 microns

Practical coverage is variable depending on surface conditions, environment and application method.

6 APPLICATION

Application Temperature5–40℃
Application ConditionRelative humidity shall not exceed 85%. Substrate temperature shall be at least 3℃ above the dew point.
Application MethodsBrush and roller
Dilution Ratio0–10% by volume
ThinnerWater
Applied SubstrateBare steel
Coating SystemAccording to the PUNTIUM recommended coating system

Pot Life

Temperature10℃20℃30℃40℃
Pot Life1 h1 h1 h0.5 h

Drying Time and Overcoating Interval

TemperatureDry to TouchDry HardMinimum IntervalMaximum Interval
5℃2 h8 h12 h7 days
10℃1 h8 h12 h7 days
20℃30 min6 h10 h7 days
30℃30 min6 h10 h7 days

7 SURFACE PREPARATION

  • Remove salt and other water-soluble contaminants with fresh water.
  • Remove oil and grease with suitable detergent or solvent in accordance with SSPC-SP 1.
  • Remove rust, mill scale and other foreign materials completely by abrasive blasting to achieve ISO Sa 2½ (SSPC-SP 10) or better.
  • All coated surfaces must be clean, dry and free from dust.

8 STORAGE

StorageStore in dry, cool conditions away from sources of heat and ignition. Containers must be kept tightly closed.
Shelf Life12 months at 25℃. Subject to re-inspection thereafter.

9 CAUTIONS

SAFETY PRECAUTIONS

The following measures shall be ensured in all paint applications:

  • Avoid skin and eye contact.
  • If paint comes into contact with skin, wash with warm water and/or a suitable cleanser. If paint comes into contact with the eyes, flush with copious amounts of water and seek immediate medical attention.
  • Ensure good ventilation. Avoid inhalation of spray mist or vapour.
  • Application and handling should comply with relevant national regulations. Detailed information is given in the SDS.

DISCLAIMER

The information provided in this manual constitutes the most comprehensive and accurate data currently available to us. As the operating conditions of the product are beyond our control, this information does not constitute any warranty and is solely intended to assist the buyer in product selection. Given that our products and manufacturing processes are continuously evolving, this manual will be updated accordingly. All information herein shall be subject to our confirmation. Before using the product, please ensure that you have the latest version of this manual.

PREPARATION DATE

July 8, 2025

REVISION DATE

February 4, 2026

Frequently Asked Questions:

We provide 9 major categories including water-based coatings, anti-corrosion coatings, floor coatings, fireproof coatings and resins, with more than 500 high-performance eco-friendly products.

All our products are green, low-pollution and comply with national environmental standards, suitable for various industrial applications.

Our sales network covers China with over 500 first-class distributors and long-term partnerships with many large enterprises. We have rich export experience and our products are well received by global customers.

We use intelligent production with advanced MES system and Japan’s online viscosity monitoring equipment. Real-time monitoring and automatic control are applied throughout the whole production process to ensure high and stable product quality.

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