Isocyanate hardeners

Select an isocyanate hardener for the polyaspartic resin grade, target hardness, flexibility, weather resistance and application conditions. Check compatibility documents and validate the formulation.

Product list

Blue packaging drum and model label for HT300 isocyanate hardener

HDI trimer hardener HT300

Suitable for air-drying or baking systems for automotive OEM and refinish coatings, transportation, industrial finishes and plastics.

Features
Low viscosity
Features
Long pot life
Features
Wide applicability
Specifications
Blue packaging drum and model label for HT400 isocyanate hardener

HDI uretdione dimer HT400

A low-viscosity HDI uretdione dimer hardener for high-solids systems, offering mechanical properties and gloss and color retention.

Features
Low viscosity
Features
Excellent mechanical properties
Features
Gloss and color retention
Specifications
Blue packaging drum and model label for HT500 isocyanate hardener

HDI trimer hardener HT500

A low-viscosity HDI-based polyisocyanate with high NCO content; a colorless to slightly yellow transparent liquid at room temperature.

Features
Excellent gloss and color retention
Features
High NCO content
Features
Excellent mechanical properties
Specifications
Blue packaging drum and model label for HT600 isocyanate hardener

HDI trimer hardener HT600

A high-performance hardener for use with polyurea resins, with a moderate curing rate suitable for a range of application conditions.

Features
Controllable curing time
Features
Strong adhesion
Features
Good stability
Specifications
Blue packaging drum and model label for CY610 isocyanate hardener

High-elasticity isocyanate hardener CY610

High solids and low viscosity, with good flexibility and mechanical strength

Appearance
Clear, colorless to pale-yellow liquid
Features
High solids content
Features
Low viscosity
Specifications
Blue packaging drum and model label for CY710 isocyanate hardener

Weather-resistant isocyanate hardener CY710

High weather resistance, good flexibility and elasticity, and good tensile strength and scratch resistance

Appearance
Pale-yellow transparent liquid
Features
High weather resistance
Features
Scratch resistance
Specifications
Blue packaging drum and model label for CY810 isocyanate hardener

Low-temperature isocyanate hardener CY810

Low viscosity, yellowing resistance, high elasticity, low-temperature toughness and hydrolysis resistance

Appearance
Colorless transparent liquid
Features
Low-temperature resistance
Features
yellowing resistance
Specifications
Blue packaging drum and model label for CY910 isocyanate hardener

Heat-resistant isocyanate hardener CY910

High strength, tear and abrasion resistance, good heat resistance and high hydrolysis resistance

Appearance
Colorless transparent liquid
Features
High strength
Features
Heat resistance
Specifications
Blue packaging drum and model label for H12MDI isocyanate hardener

Hydrogenated MDI hardener H12MDI

A colorless to slightly yellow transparent liquid at room temperature, with light stability and weather resistance.

Features
Excellent light stability
Features
Excellent mechanical performance.
Features
Low viscosity liquid
Specifications

Need help selecting a product?

Our technical team can help with product selection and application support.

Request a quote

Match the Polyaspartic Resin: Confirm Reaction and Application Conditions

Evaluate hardeners alongside the resin grade and formulation targets. Product categories and typical characteristics support initial comparison; specific mixing ratios and working windows must follow the technical documents and formulation trials.

Check the Resin Grade

First identify the polyaspartic ester resin and the required hardness, flexibility, weather resistance and working time before comparing hardeners.

Review Compatibility Documents

Use the Resin and Hardener Selection Handbook to check specifications, product characteristics, applications and storage information.

Validate the Formulation

Provide the technical team with the resin grade, formulation targets and application method. Confirm the recommended ratio, compatibility and test conditions, then use laboratory trials to plan scale-up.

Selection guide

Polyaspartic polyurea hardener needs to match resin and target performance; In evaluating the production of the polyaspartic polyurea hardener plant, the NCO, viscosity, recommended matching, compatibility and batch testing data should be checked.

Further Reading

Polyaspartic Polyurea Encyclopedia: Chemistry, Properties, Applications and Topcoat Selection