PRODUCTS

WANNATE HT-300 PLUS

Wannate HT-300 Plus is also used in exterior automotive parts such as plastic trims, bumpers, mirrors, and decorative components where color retention and surface durability are critical.
Wannate HT-300 Plus is extensively applied in industrial protective coatings for steel structures, machinery, heavy equipment, pipelines, storage tanks, and engineering infrastructure.
Wannate HT-300 Plus is widely used in automotive, industrial, marine, and protective coating systems.

CAS Number: 28182-81-2
EC Number: 931-274-8 (polymeric UVCB classification)
Molecular Formula: Not fixed (oligomer mixture)
Molecular Weight: Variable (~500–1200 g/mol depending on trimer distribution)

SYNONYMS:
HDI trimer, Hexamethylene diisocyanate trimer, HDI isocyanurate, aliphatic polyisocyanate HDI, HDI-based curing agent, HDI homopolymer, isocyanurate polyisocyanate, polyurethane hardener HDI trimer, HT-300 curing agent, HDI oligomer, hexamethylene diisocyanate polymeric isocyanate

Wannate HT-300 Plus is a solvent-free aliphatic polyisocyanate based on hexamethylene diisocyanate (HDI).
Wannate HT-300 Plus is a colorless to slightly yellowish clear liquid used as a hardener component in lightfast two-component polyurethane coatings with high resistance to chemicals, weathering, and very good gloss retention.

Wannate HT-300 Plus is a solvent-free hexamethylene diisocyanate (HDI)-based aliphatic polyisocyanate.
Wannate HT-300 Plus is a hardener component for lightfast two-component polyurethane coatings.
Wannate HT-300 Plus is a solvent-free aliphatic polyisocyanate based on HDI trimer (isocyanurate structure).

Wannate HT-300 Plus is a high-performance curing agent used in two-component polyurethane (2K-PU) systems, especially for advanced coatings requiring excellent weather resistance, chemical resistance, abrasion resistance, and long-term durability.
Compared to standard HDI trimer grades, Wannate HT-300 Plus is designed for higher solids formulations, improved application performance, and enhanced mechanical properties in cured films.

Wannate HT-300 Plus is not a single molecule but a polymeric UVCB substance composed of HDI-derived isocyanurate oligomers.
Wannate HT-300 Plus is a solvent-free isocyanate curing agent with -the NCO group.
Wannate HT-300 Plus Low Viscosity Solvent Free Isocyanate Hardeners 0

The paint system prepared in Wannate HT-300 Plus is suitable for self-drying, high solid Content, and solvent-frees, especially for polyaspartic polyurea systems.
Wannate HT-300 Plus can coat original automobile paint (OEM), automobile repair, transportation tools, industrial products, floors, and plastics.

Wannate HT-300 Plus preferred co-reactants are polyacrylates or polyester polyols.
Wannate HT-300 Plus is a solvent free aliphatic polyisocyanate based on hexamethylene diisocyanate (HDI).

USES and APPLICATIONS of WANNATE HT-300 PLUS:
Wannate HT-300 Plus is primarily used as a high-performance curing agent in advanced two-component polyurethane coating systems where a combination of durability, appearance quality, and processing efficiency is required.
Wannate HT-300 Plus is especially preferred in modern coating technologies that demand higher solids content, improved application behavior, and long-term outdoor stability.

In automotive applications, Wannate HT-300 Plus is widely used in clear coat systems for both OEM and refinish markets.
These coatings provide long-lasting gloss, excellent scratch resistance, and strong protection against UV radiation and environmental aging.

These coatings are designed to withstand harsh chemical exposure, mechanical wear, and long-term environmental stress.
Wannate HT-300 Plus is widely used in automotive, industrial, marine, and protective coating systems.
In the marine industry, Wannate HT-300 Plus is used in protective coating systems for ships, offshore platforms, harbor structures, and marine equipment.

The coatings provide excellent resistance to saltwater corrosion, humidity, and continuous UV exposure.
Wannate HT-300 Plus is also widely used in architectural coating systems, including exterior building surfaces, bridges, stadium structures, and urban infrastructure.
These systems require long-term weather resistance, stable gloss, and resistance to pollution and acid rain.

In wood coatings, Wannate HT-300 Plus is used for furniture, parquet flooring, kitchen cabinets, decorative panels, and luxury interior surfaces.
Wannate HT-300 Plus enhances surface hardness, chemical resistance, and aesthetic durability while maintaining a smooth and high-gloss finish.

Wannate HT-300 Plus is used in plastic coating systems for consumer electronics, household appliances, automotive interior parts, and engineered plastic components.
These coatings improve scratch resistance, surface quality, and long-term appearance stability.

Wannate HT-300 Plus is also used in industrial flooring systems, particularly in high-performance epoxy-polyurethane hybrid floors used in factories, warehouses, hospitals, and commercial facilities.
These systems require abrasion resistance, chemical resistance, and long service life.

Additionally, Wannate HT-300 Plus is used in coil coatings, container coatings, and transportation coatings where large surface area protection and fast industrial processing are required.
Beyond coatings, Wannate HT-300 Plus is also used in high-performance adhesive systems, structural bonding applications, polyurethane sealants, elastomeric systems, ink binders, and specialty composite materials used in engineering and industrial manufacturing.

Wannate HT-300 Plus is used in automotive refinishing, transportation, industrial finishing, and plastics, especially in high-solids and solvent-free systems.
Wannate HT-300 Plus can be used as the hardener component for lightfast two-component polyurethane coatings with high resistance to chemicals and weathering, very good gloss retention and outstanding mechanical properties.

Wannate HT-300 Plus is widely used as a curing agent in high-performance 2K polyurethane coating systems.
Wannate HT-300 Plus is extensively applied in automotive coatings, including clear coats, basecoat systems, and exterior protective finishes.
Wannate HT-300 Plus is used in OEM automotive manufacturing, where long-term durability and appearance retention are required.

Wannate HT-300 Plus is widely used in industrial protective coatings, including machinery, pipelines, steel structures, storage tanks, and heavy equipment.
Wannate HT-300 Plus is used in marine coatings, providing resistance to UV radiation, saltwater corrosion, and harsh environmental conditions.

Wannate HT-300 Plus is suitable for architectural coatings, including exterior building surfaces and infrastructure protection systems.
Wannate HT-300 Plus is used in wood coatings, furniture finishing, flooring systems, and decorative surface coatings.

Wannate HT-300 Plus is applied in plastic coatings, especially for automotive interior/exterior components and electronic housings.
Wannate HT-300 Plus is used in coil coatings and container coatings, where weather resistance and chemical resistance are required.

Wannate HT-300 Plus is widely used in industrial flooring systems, including epoxy-PU hybrid coatings and high-durability floor protection systems.
Wannate HT-300 Plus is also used in: High-performance polyurethane adhesives, Structural bonding systems, Elastomeric systems,
Sealants for construction and transportation, Ink and printing binder systems, Composite material systems.

Typical Applications of Wannate HT-300 Plus: Recommended for automotive refinishing, transportation, industrial finishing and plastics, especially in high-solids and solvent-free systems.
Wannate HT-300 Plus is used in automotive refinishing, transportation, industrial finishing, and plastics, especially in high-solids and solvent-free systems.

Wannate HT-300 Plus can be used as the hardener component for lightfast two-component polyurethane coatings.
Wannate HT-300 Plus offers high resistance to chemicals and weathering, excellent gloss retention, and outstanding mechanical properties.

Wannate HT-300 Plus is best used with polyacrylates or polyester polyols as co-reactants.
Wannate HT-300 Plus shows compatibility with aliphatic and aromatic polyisocyanates.
Wannate HT-300 Plus is recommended for industrial finishing, automotive refinishing, transportation and plastic coatings, especially in high-solids and solvent-free systems.

BENEFITS of WANNATE HT-300 PLUS:
One of the key benefits of Wannate HT-300 Plus is its ability to deliver excellent weather resistance, making it suitable for long-term outdoor exposure without degradation of performance or appearance.
Wannate HT-300 Plus provides outstanding UV stability, significantly reducing yellowing, fading, and chalking in polyurethane coatings compared to aromatic isocyanate systems.

Wannate HT-300 Plus ensures excellent gloss retention, maintaining a high-quality surface appearance over extended service life.
Wannate HT-300 Plus offers improved flow and leveling behavior, which helps achieve smoother coating surfaces with fewer defects such as orange peel or pinholes.

Wannate HT-300 Plus contributes to enhanced mechanical strength, including high tensile strength and improved hardness in cured polyurethane films.

Wannate HT-300 Plus provides strong abrasion and scratch resistance, making it ideal for surfaces exposed to mechanical wear and frequent contact.
Wannate HT-300 Plus delivers excellent chemical resistance, protecting surfaces from oils, fuels, solvents, detergents, and industrial cleaning agents.

Wannate HT-300 Plus enables the formulation of high-solid and low-VOC coating systems, supporting environmental compliance and modern sustainable coating technologies.
Wannate HT-300 Plus improves adhesion performance on a wide variety of substrates, including metals, plastics, wood, and composite materials.

Wannate HT-300 Plus supports long-term durability and reduced maintenance costs, especially in industrial and outdoor environments.
Wannate HT-300 Plus also provides a balanced combination of hardness and flexibility, preventing cracking while maintaining surface strength.

Wannate HT-300 Plus provides excellent UV resistance, preventing coating degradation under sunlight exposure.
Wannate HT-300 Plus offers superior gloss retention and long-term surface appearance stability.

Wannate HT-300 Plus delivers enhanced chemical resistance, including resistance to oils, fuels, solvents, and industrial chemicals.
Wannate HT-300 Plus improves scratch resistance and abrasion resistance, extending coating lifespan.
Wannate HT-300 Plus contributes to high mechanical strength and toughness in cured polyurethane systems.

Wannate HT-300 Plus enables low-VOC and high-solid coating formulations, supporting environmental compliance.
Wannate HT-300 Plus provides excellent adhesion to multiple substrates, including metals, plastics, wood, and composites.
Wannate HT-300 Plus enhances weather resistance, making coatings suitable for extreme outdoor environments.

Wannate HT-300 Plus supports fast and efficient curing systems, improving industrial productivity.
Wannate HT-300 Plus contributes to reduced maintenance costs and extended service life of coated surfaces.
Wannate HT-300 Plus provides a balance of hardness, flexibility, and impact resistance in final polyurethane films.

CHARACTERISTICS of WANNATE HT-300 PLUS:
Wannate HT-300 Plus is a trifunctional HDI isocyanurate (trimer-based aliphatic polyisocyanate) designed for advanced polyurethane curing systems.
Wannate HT-300 Plus has a low to medium viscosity, which improves handling, mixing, and application performance in industrial coating processes.

Wannate HT-300 Plus is characterized by a high NCO content, enabling efficient crosslinking reactions and strong polymer network formation.
Wannate HT-300 Plus exhibits excellent compatibility with acrylic, polyester, and polyether polyols, allowing wide formulation flexibility across different coating technologies.

Wannate HT-300 Plus forms a highly crosslinked polyurethane structure, resulting in strong, durable, and chemically resistant films.
Wannate HT-300 Plus is designed for high-performance coating systems requiring both aesthetic quality and functional durability.

Wannate HT-300 Plus demonstrates low volatility and good storage stability when properly sealed and protected from moisture.
Wannate HT-300 Plus produces coatings with excellent optical clarity, smooth surface finish, and stable mechanical properties.

Wannate HT-300 Plus is engineered for consistent industrial processing performance, ensuring reproducible results in large-scale production.
Wannate HT-300 Plus is considered a next-generation HDI trimer system, optimized for modern high-solid and environmentally friendly coating formulations.

Wannate HT-300 Plus is characterized by a highly crosslinkable isocyanurate ring structure, providing excellent balance between hardness and flexibility.
Wannate HT-300 Plus has been optimized for advanced coating formulations requiring higher solids content and improved application efficiency.

Wannate HT-300 Plus shows lower viscosity compared to many standard HDI trimer grades, allowing easier formulation and processing.
Wannate HT-300 Plus provides improved mechanical performance in cured polyurethane films, especially in abrasion and impact resistance.

Wannate HT-300 Plus is designed for enhanced compatibility with modern hydroxyl-functional resins, including acrylic and polyester polyols.
Wannate HT-300 Plus produces coatings with excellent gloss, transparency, and surface smoothness.
Wannate HT-300 Plus is engineered for consistent curing performance and reproducible industrial processing behavior.

PROPERTIES of WANNATE HT-300 PLUS:
*100% Solid Content -
Wannate HT-300 Plus is non-volatile solvent can be made into the solvent-free and low-viscosity environmental coating.

*Longer Pot Life -
Compared with conventional HDI trimer, Wannate HT-300 Plus has longer pot life when combined with polyaspartic resin.

*Excellent Weather Resistance -
Wannate HT-300 Plus is excellent weather resistance, color retention, and gloss retention.

BENEFITS of WANNATE HT-300 PLUS:
Wannate HT-300 Plus-based aliphatic polyisocyanate
Wannate HT-300 Plus provides high chemical and weather resistance
Solvent-free grade
Wannate HT-300 Plus has good compatibility with solvents
Wannate HT-300 Plus can be mixed with aromatic- & aliphatic polyisocyanates, polyester polyols and polyacrylates
Wannate HT-300 Plus offers very good gloss retention and outstanding mechanical properties

PHYSICAL and CHEMICAL PROPERTIES of WANNATE HT-300 PLUS:
Product Type: HDI Trimer (Aliphatic Polyisocyanate)
Chemical Family: Hexamethylene diisocyanate isocyanurate
CAS Number: 28182-81-2
EC Number: 931-274-8 (polymeric UVCB classification)
Molecular Formula: Not fixed (oligomer mixture)
Molecular Weight: Variable (~500–1200 g/mol depending on trimer distribution)
Appearance: Colorless to light yellow transparent liquid

Hazen (Pt-Co): ≤ 50
Solid Content (%): ≥ 99
NCO Content (%): 19.5 ~ 20.5
Viscosity (mPa·s, 25℃): 200 ~ 700
Relative Density (g·cm⁻³, 25℃): 1.08 ± 0.02
Free Monomer Content (%): ≤ 0.50
Appearance: Clear to slightly yellow liquid

Odor: Mild isocyanate-like odor
Physical state: Liquid
Chemical type: Aliphatic polyisocyanate (isocyanurate structure)
NCO content: ~21–23%
Density (25°C): ~1.06–1.10 g/cm³
Viscosity (25°C): Medium to slightly high
Flash point: >200°C
Boiling point: Decomposes before boiling
Vapor pressure: Very low

Solubility in water: Reacts with water (insoluble)
Solubility in organic solvents: Soluble in esters, ketones, aromatics
Reactivity: High toward polyols, amines, moisture
Moisture sensitivity: High
Storage stability: Good under dry sealed conditions
Functionality: ~3 (trifunctional isocyanurate structure)
Thermal stability: High compared to monomeric HDI
Volatility: Very low
Film-forming behavior: Excellent crosslinking ability

FIRST AID MEASURES of WANNATE HT-300 PLUS:
-Description of first-aid measures
*General advice:
Show this material safety data sheet to the doctor in attendance.
*If inhaled:
After inhalation:
Fresh air.
*In case of skin contact:
Take off immediately all contaminated clothing.
Rinse skin with
water/ shower.
*In case of eye contact:
After eye contact:
Rinse out with plenty of water.
Call in ophthalmologist.
Remove contact lenses.
*If swallowed:
After swallowing:
Immediately make victim drink water (two glasses at most).
Consult a physician.
-Indication of any immediate medical attention and special treatment needed.
No data available

ACCIDENTAL RELEASE MEASURES of WANNATE HT-300 PLUS:
-Environmental precautions:
Do not let product enter drains.
-Methods and materials for containment and cleaning up:
Cover drains.
Collect, bind, and pump off spills.
Observe possible material restrictions.
Take up dry.
Dispose of properly.
Clean up affected area.

FIRE FIGHTING MEASURES of WANNATE HT-300 PLUS:
-Extinguishing media:
*Suitable extinguishing media:
Carbon dioxide (CO2)
Foam
Dry powder
*Unsuitable extinguishing media:
For this substance/mixture no limitations of extinguishing agents are given.
-Further information:
Prevent fire extinguishing water from contaminating surface water or the ground water system.

EXPOSURE CONTROLS/PERSONAL PROTECTION of WANNATE HT-300 PLUS:
-Control parameters:
--Ingredients with workplace control parameters:
-Exposure controls:
--Personal protective equipment:
*Eye/face protection:
Use equipment for eye protection.
Safety glasses
*Body Protection:
protective clothing
*Respiratory protection:
Recommended Filter type: Filter A
-Control of environmental exposure:
Do not let product enter drains.

HANDLING and STORAGE of WANNATE HT-300 PLUS:
-Conditions for safe storage, including any incompatibilities:
*Storage conditions:
Tightly closed.
Dry.

STABILITY and REACTIVITY of WANNATE HT-300 PLUS:
-Chemical stability:
The product is chemically stable under standard ambient conditions (room temperature).
-Possibility of hazardous reactions:
No data available