• Polyaspartic Resin HS420 for Protective Coatings
Polyaspartic Resin HS420 for Protective Coatings

Polyaspartic Resin HS420 for Protective Coatings

Model HS420

HS420 Polyaspartic Resin is a high-performance resin designed for high-solids two-component polyurea and polyurethane coating systems. It provides excellent gloss, hardness, and drying performance, making it suitable for automotive coatings, anti-corrosion coatings, waterproof coatings, and wind turbine blade coating applications.

HS420 Polyaspartic Resin for Protective Coating Applications

HS420 is a high-performance polyaspartic resin designed for high-solids two-component polyurea and polyurethane coating systems.

The resin contains secondary amino functional groups, which can react with -NCO groups to form cross-linked coating films. It is suitable for coating formulations requiring good surface appearance, hardness development, and efficient drying performance.

With its stable physical properties and formulation flexibility, HS420 provides a reliable resin solution for manufacturers developing protective coatings, decorative coatings, and industrial coating systems.


Product Advantages

1. Suitable for High Solids Coating Formulations

HS420 is developed for high-solids two-component coating systems and solvent-free coating formulations.

It helps coating manufacturers design coating systems with:

  • • High resin content
  • • Good coating efficiency
  • • Stable formulation performance

2. Improved Coating Appearance and Hardness

HS420 can enhance coating film fullness, gloss, and hardness.

It is suitable for applications where both protective performance and surface appearance are required, including automotive coatings and premium wood coatings.


3. Fast Surface Drying Performance

The resin can improve surface drying speed in coating formulations, helping manufacturers optimize coating production efficiency.


4. Applicable for Industrial Protective Coatings

HS420 can be used as a resin component for anti-corrosion coating systems applied to steel structures, petroleum pipelines, and other heavy-duty protection applications.


Recommended Applications

Automotive Coatings

HS420 is suitable for automotive coating formulations requiring good gloss, hardness, and surface finish.


Premium Wood Coatings

The resin can be used in high-end wood coating systems where coating appearance and hardness are important factors.


Steel Structure Anti-Corrosion Coatings

HS420 is suitable for protective coating formulations used on steel structures requiring durable coating protection.


Petroleum Pipeline Protective Coatings

HS420 can be applied in coating systems designed for petroleum pipeline protection and industrial anti-corrosion applications.


Concrete Waterproof Coatings

HS420 can be used in concrete waterproof coating formulations.


Wind Turbine Blade Coatings

HS420 is suitable for wind turbine blade coating systems, including:

  • • Gel coats
  • • Putty coatings
  • • Topcoats

It provides a resin solution for manufacturers producing protective coating layers for wind turbine blades.


Technical Specifications

Test Item Technical Index
Appearance Slightly yellow transparent liquid
Viscosity (25℃) 700–1800 mPa·s
Amine Value 199–203
Platinum-Cobalt Color Number ≤200
Specific Gravity Approx. 1.076 g/cm³
NH Equivalent Weight Approx. 276 g/mol
Flash Point Approx. 100℃
Water Content ≤0.15%
Equivalent OH Content 6.13%

Why Choose HS420 Polyaspartic Resin?

For coating manufacturers, resin selection directly affects coating formulation stability and final coating performance.

HS420 provides:

  • • Consistent quality control
  • • Stable physical properties
  • • Compatibility with polyurea and polyurethane coating systems
  • • Support for customized coating formulation requirements

HUISINS supplies polyaspartic resin solutions for industrial coating manufacturers and international customers.


Packaging & Storage

Packaging

200 kg/drum.

Storage

Store in a cool, dry, and well-ventilated warehouse.

Recommended storage temperature:≤40℃ Keep away from fire sources.

Shelf life:12 months.


FAQ

1. What is HS420 Polyaspartic Resin used for?

HS420 is mainly used as a resin component for high-solids two-component polyurea and polyurethane coating systems. Typical applications include automotive coatings, wood coatings, anti-corrosion coatings, waterproof coatings, and wind turbine blade coatings.


2. Is HS420 suitable for polyurea coating formulations?

Yes. HS420 is designed for coating systems where polyaspartic resin reacts with -NCO components to form protective coating films.


3. Can HS420 be used for anti-corrosion coatings?

Yes. HS420 can be used in protective coating formulations for steel structures, petroleum pipelines, and other industrial anti-corrosion applications.


4. What is the difference between HS420 and conventional coating resins?

HS420 is specifically developed for high-solids polyurea and polyurethane coating systems, providing coating formulators with a resin option for applications requiring good gloss, hardness, and drying performance.


5. Can HS420 be used for wind turbine blade coatings?

Yes. HS420 is suitable for wind turbine blade coating systems, including gel coats, putties, and topcoats.


6. What is the package size of HS420 Polyaspartic Resin?

HS420 is supplied in 200 kg drums. Customized supply solutions can be discussed according to customer requirements.

+86 139 2276 3266 lilylu@huisins.com +86 13922763266