PRODUCTS

WANNATE TL 75E

Wannate TL 75E is widely used in industrial coatings, wood finishes, automotive refinishing systems, protective coatings, textile coatings, adhesives, and specialty polyurethane formulations where high-performance crosslinking is required.
Wannate TL 75E is frequently used in metal finishing applications, including coatings for construction equipment, agricultural machinery, transportation equipment, and fabricated steel structures.

CAS Number: Proprietary mixture (often not assigned a unique CAS number for the finished formulation)
EC Number: Not uniquely assigned for the complete formulation
Molecular Formula: Not uniquely defined
Molecular Weight: Not uniquely defined

SYNONYMS:TDI Polyisocyanate Solution, Aromatic Polyisocyanate Crosslinker, Toluene Diisocyanate Adduct Solution, Polyurethane Curing Agent, Polyisocyanate Hardener, TDI-Based Crosslinking Agent, Polyurethane Crosslinker, Isocyanate Hardener, Aromatic Isocyanate Curing Agent

Wannate TL 75E is a solvent-based aromatic polyisocyanate curing agent manufactured by Wanhua Chemical.
Wannate TL 75E is based on toluene diisocyanate (TDI) and is supplied as a solution in ethyl acetate.
Wannate TL 75E contains reactive isocyanate groups that readily react with hydroxyl-functional resins such as polyester polyols, acrylic polyols, alkyd resins, and polyether polyols.

This reaction forms highly durable polyurethane networks with excellent mechanical strength, chemical resistance, solvent resistance, and weather resistance.
Wannate TL 75E is a formulated commercial polyisocyanate solution rather than a single pure chemical substance.

Wannate TL 75E is an aromatic polyisocyanate (based on toluene diisocyanate/TDI) dissolved in approximately 75% ethyl acetate.
Wannate TL 75E is a TDI containing 75% ethyl acetate.
Wannate TL 75E is a colorless or pale yellow liquid with a solvent-like odor.

Wannate TL 75E is found in combination with various hydroxyl-bearing substances to formulate two-component polyurethane coatings and adhesives.
Isocyanate equivalent molecular weight of Wannate TL 75E is 315.
NCO content of Wannate TL 75E is 12.9 - 13.7.

Wannate TL 75E is an aromatic polyisocyanate based on toluene diisocyanate.
Wannate TL 75E has a solvent-like odor and is dissolved approximately 75% in ethyl acetate.
Wannate TL 75E can be mixed with aliphatic- and aromatic polyisocyanates, polyester polyols and polyacrylates.

Wannate TL 75E is an aromatic polyisocyanate based on toluene diisocyanate.
Wannate TL 75E is a colorless or pale yellow liquid with a solvent-like odor.
Wannate TL 75E can be mixed with the aliphatic polyisocyanates, polyester polyols, aromatic polyisocyanates and polyacrylates.

Wannate TL 75E is FDA complaint and has a shelf life of 6 months.
Toluene is an aromatic polyisocyanate based on diisocyanate.
Wannate TL 75E contains 75% ethyl acetate with a colorless or pale yellow solvent-like odor.

Wannate TL 75E is an aromatic isocyanates for polyurethanes based on TDI (toluene diisocyanate) at 75% in ethyl acetate.
Wannate TL 75E is a colorless or pale yellow liquid with a solvent odor.
Wannate TL 75E is an adduct of TDI and TMP, which is colorless to yellowish transparent liquid at room temperature.

Wannate TL 75E is an aromatic polyisocyanate based on toluene diisocyanate.
Wannate TL 75E is a colorless or pale yellow liquid with a solvent-like odor.
Wannate TL 75E is approx. 75% in ethyl acetate.

USES and APPLICATIONS of WANNATE TL 75E:
Wannate TL 75E is extensively used in high-performance furniture coatings designed for luxury furniture, office furniture, cabinetry, decorative panels, and architectural wood products.
The resulting finishes provide excellent scratch resistance, chemical resistance, and visual appearance.
Wannate TL 75E is widely used as a curing agent or hardener to formulate two-component (2K) polyurethane coatings and adhesives,

In parquet and hardwood flooring systems, Wannate TL 75E is used to formulate durable topcoats capable of withstanding heavy foot traffic, abrasion, and frequent cleaning operations.
Wannate TL 75E is widely employed in industrial maintenance coatings used to protect machinery, production equipment, storage systems, manufacturing facilities, and industrial infrastructure exposed to demanding operating conditions.

Wannate TL 75E plays an important role in protective coatings for industrial tanks, process equipment, pipelines, and structural components that require long-term chemical and corrosion resistance.
Wannate TL 75E is primarily used as a crosslinking agent in two-component polyurethane coating, adhesive, sealant, ink, and elastomer systems.

In the flexible packaging industry, Wannate TL 75E is used as a crosslinking agent in laminating adhesives for multilayer packaging films used in food packaging, pharmaceutical packaging, and industrial packaging applications.
Wannate TL 75E is widely utilized in textile finishing systems to improve abrasion resistance, flexibility, water resistance, and durability of coated fabrics used in upholstery, technical textiles, protective clothing, and industrial fabrics.

Wannate TL 75E is also employed in synthetic leather manufacturing for automotive interiors, furniture upholstery, footwear materials, luggage, sporting goods, and fashion accessories.
Wannate TL 75E is used in combination with various hydroxyl-bearing substances for the formulation of two-component polyurethane coatings.

In marine applications, Wannate TL 75E is used in protective coating systems for ships, offshore structures, marine equipment, and harbor facilities where durability and moisture resistance are critical.
Wannate TL 75E is frequently incorporated into industrial polyurethane adhesives used in woodworking, footwear production, transportation assembly, insulation panel manufacturing, and composite fabrication.

Wannate TL 75E is used in specialty elastomer formulations for industrial components requiring flexibility combined with abrasion resistance and chemical durability.
Wannate TL 75E is also suitable for protective clear coats applied over decorative surfaces, printed graphics, industrial labels, and specialty substrates requiring enhanced durability and appearance retention.

Wannate TL 75E is used polyurethane coatings for finishing furniture, parquet floors, metal, paper, plastics and mineral substrates.
Wannate TL 75E is used polyurethane adhesives for bonding wood, metal and plastic, using two-component adhesives.
Wannate TL 75E is used in combination with various hydroxyl-containing materials to formulate two-component polyurethane coatings and adhesives.

Wannate TL 75E is used in combination with various hydroxyl-bearing substances to formulate two-component polyurethane coatings and adhesives.
Wannate TL 75E is extensively used as a curing agent in two-component polyurethane coatings for industrial equipment, machinery, metal structures, and protective surface treatments.

Wannate TL 75E is commonly utilized in automotive refinishing coatings, vehicle repair paints, and transportation coatings where excellent appearance and durability are required.
In the wood coating industry, Wannate TL 75E is used in furniture finishes, parquet flooring coatings, cabinetry coatings, decorative wood lacquers, and high-performance wood protection systems.

Wannate TL 75E is widely employed in industrial protective coatings used on steel structures, pipelines, storage tanks, construction equipment, and manufacturing facilities.
Wannate TL 75E is frequently incorporated into polyurethane adhesives for footwear manufacturing, furniture assembly, automotive interiors, flexible packaging, and industrial lamination processes.

Wannate TL 75E is used in textile coatings and synthetic leather production where flexibility, abrasion resistance, and durability are critical requirements.
Wannate TL 75E is suitable for coil coatings, container coatings, appliance coatings, and metal finishing systems requiring excellent chemical and mechanical resistance.

In the printing industry, Wannate TL 75E is used as a crosslinking component in specialty printing inks and overprint varnishes to improve adhesion and durability.
Wannate TL 75E is also utilized in polyurethane sealants, elastomer systems, industrial maintenance coatings, marine coatings, and specialty composite materials.
Its versatility makes Wannate TL 75E valuable in numerous coating, adhesive, sealant, elastomer, and industrial finishing applications.

CHARACTERISTICS of WANNATE TL 75E:
Wannate TL 75E is characterized by its high crosslinking efficiency and excellent compatibility with a wide variety of hydroxyl-functional resins used in polyurethane formulations.
Wannate TL 75E provides rapid curing and efficient film formation while maintaining excellent coating appearance and mechanical performance.

Wannate TL 75E's aromatic polyisocyanate structure contributes to strong intermolecular bonding, resulting in coatings and adhesives with excellent hardness, durability, and chemical resistance.
Wannate TL 75E exhibits excellent compatibility with polyester resins, acrylic resins, alkyd resins, epoxy-modified systems, and various specialty polyurethane formulations.

Wannate TL 75E is particularly suitable for applications requiring excellent adhesion, abrasion resistance, solvent resistance, and long-term durability.
The cured polyurethane systems demonstrate high tensile strength, good flexibility, and excellent resistance to mechanical wear.
Wannate TL 75E is recognized for its ability to create highly crosslinked polyurethane networks that significantly improve the overall performance of coatings, adhesives, and specialty polyurethane systems.

Wannate TL 75E's TDI-based polyisocyanate structure provides a high concentration of reactive isocyanate groups, enabling efficient curing even at relatively low application temperatures.
One of the most notable characteristics of Wannate TL 75E is its excellent balance between hardness and flexibility.

While many highly crosslinked coatings become brittle, properly formulated systems using Wannate TL 75E can maintain good flexibility while achieving high mechanical strength and durability.
Wannate TL 75E exhibits excellent compatibility with numerous hydroxyl-functional polymers used in industrial coatings.

This compatibility allows formulators to tailor coating properties for specific performance requirements, including hardness, flexibility, gloss, chemical resistance, and weather resistance.
Wannate TL 75E contributes to the formation of dense polyurethane film structures with excellent surface smoothness and appearance.

These films typically exhibit outstanding decorative properties, making the product suitable for premium finishing applications.
Wannate TL 75E demonstrates excellent wetting behavior on various substrates, helping improve coating uniformity and reducing the likelihood of coating defects during application.

Wannate TL 75E's relatively low viscosity and solvent-based nature facilitate easy incorporation into coating formulations and support efficient spray, brush, roller, curtain-coating, and dip-coating processes.
Wannate TL 75E is also valued for its ability to enhance intercoat adhesion in multi-layer coating systems, helping improve the durability and performance of complex coating structures.

BENEFITS of WANNATE TL 75E:
Wannate TL 75E significantly improves the hardness and durability of polyurethane coatings and adhesive systems.
Wannate TL 75E enhances chemical resistance against oils, fuels, cleaning agents, and many industrial chemicals.
Wannate TL 75E's excellent crosslinking capability contributes to improved solvent resistance and reduced coating degradation during service.

Wannate TL 75E improves abrasion resistance, making it suitable for protective coatings exposed to mechanical wear and frequent handling.
Wannate TL 75E promotes excellent adhesion to metal, wood, plastic, leather, textile, and composite substrates.
The resulting polyurethane films exhibit excellent gloss retention, surface appearance, and decorative properties.

Wannate TL 75E contributes to faster curing and shorter production cycles, improving manufacturing efficiency.
Wannate TL 75E's balanced flexibility and hardness help coatings resist cracking, chipping, and impact damage.
Wannate TL 75E also improves water resistance and moisture durability in polyurethane systems.

Wannate TL 75E significantly improves the long-term service life of polyurethane coatings by increasing resistance to mechanical wear, abrasion, scratching, and surface damage.
Wannate TL 75E contributes to excellent resistance against household chemicals, industrial cleaning agents, lubricants, fuels, hydraulic fluids, and many common industrial contaminants.

Coatings formulated with Wannate TL 75E often exhibit improved gloss retention and reduced surface degradation during prolonged service, helping maintain aesthetic appearance over time.
Wannate TL 75E enhances impact resistance, allowing coated surfaces to better withstand mechanical shocks and handling damage.
Wannate TL 75E's high crosslink density improves stain resistance, making coated surfaces easier to clean and maintain.

Wannate TL 75E contributes to excellent edge protection in coated metal structures, helping reduce corrosion risks in exposed areas.
Wannate TL 75E supports the development of coatings with improved resistance to plasticizer migration, which is particularly important in flexible substrate applications.

Polyurethane systems based on Wannate TL 75E often demonstrate excellent resistance to repeated temperature fluctuations and environmental stress.
Wannate TL 75E also contributes to improved solvent retention resistance, helping cured films maintain their integrity under demanding service conditions.

PERFORMANCE ADVANTAGES of WANNATE TL 75E IN POLYURETHANE SYSTEMS:
Wannate TL 75E promotes rapid curing and efficient production cycles, helping manufacturers improve throughput and reduce processing times.
Wannate TL 75E supports the formation of highly durable polyurethane networks that maintain mechanical properties over extended service periods.

Wannate TL 75E's aromatic polyisocyanate chemistry contributes to excellent hardness development while maintaining sufficient flexibility for many demanding industrial applications.
Wannate TL 75E enables the production of coatings with excellent resistance to abrasion, scratching, impact damage, and general wear.

Wannate TL 75E helps achieve high film build without significantly compromising coating appearance or performance.
Wannate TL 75E contributes to excellent adhesion on wood, metal, concrete, leather, plastics, textiles, composite materials, and numerous industrial substrates.

Wannate TL 75E's versatility allows formulators to develop products ranging from decorative finishes and industrial coatings to high-performance adhesives and specialty polyurethane materials.
Because of its strong crosslinking capability, Wannate TL 75E remains a widely used curing agent in the CASE industry (Coatings, Adhesives, Sealants, and Elastomers), particularly where durability, appearance, and chemical resistance are primary performance requirements.

PHYSICAL and CHEMICAL PROPERTIES of WANNATE TL 75E:
Product Name WANNATE® TL 75E
Chemical Type TDI-Based Polyisocyanate Crosslinker
Chemical Family Aromatic Polyisocyanate
Main Component Toluene Diisocyanate Adduct
Solvent Ethyl Acetate
Physical State Liquid
Appearance Clear to slightly yellow liquid
NCO Content Approximately 13.0–13.8%
Solid Content Approximately 75%
CAS Number Proprietary mixture (often not assigned a unique CAS number for the finished formulation)

EC Number: Not uniquely assigned for the complete formulation
Molecular Formula: Not uniquely defined
Molecular Weight: Not uniquely defined
Appearance: Clear to slightly yellow liquid
Physical State: Liquid
Color: Colorless to pale yellow
Odor: Characteristic solvent and isocyanate odor
Solid Content: Approximately 75%

Solvent: Ethyl Acetate
NCO Content: Approximately 13.0–13.8%
Density (25°C): Approximately 1.10–1.15 g/cm³
Viscosity (25°C): Low to medium viscosity liquid
Flash Point: Approximately 24–30°C
Boiling Range: Depends on solvent composition
Vapor Pressure: Moderate due to solvent content
Solubility: Soluble in esters, ketones, aromatic hydrocarbons, and many organic solvents
Solubility in Water: Reacts with water

Storage Stability: Good when stored properly
Shelf Life: Typically 6–12 months
Chemical Family: Aromatic Polyisocyanate
Functional Groups: Isocyanate (-NCO)
Crosslinking Ability: Excellent
Reactivity Toward Polyols: Very high
Moisture Sensitivity: High
Water Reactivity: Reacts to form polyurea and carbon dioxide
Cure Mechanism: Polyurethane network formation

Chemical Resistance After Cure: Excellent
Solvent Resistance After Cure: Excellent
Abrasion Resistance After Cure: Excellent
Adhesion Performance: Excellent
Film Hardness Development: High
Gloss Retention: Good
Mechanical Strength: High
Flexibility: Good after curing

FIRST AID MEASURES of WANNATE TL 75E:
-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 TL 75E:
-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 TL 75E:
-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 TL 75E:
-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 TL 75E:
-Conditions for safe storage, including any incompatibilities:
*Storage conditions:
Tightly closed.
Dry.

STABILITY and REACTIVITY of WANNATE TL 75E:
-Chemical stability:
The product is chemically stable under standard ambient conditions (room temperature).
-Possibility of hazardous reactions:
No data available