PRODUCTS

WANNATE MDI-100

Wannate MDI-100 can be widely used in the production of various polyurethane elastomers, including microcellular elastomers, thermoplastic polyurethanes, cast polyurethanes, synthetic leather, adhesives, coatings, and sealants.
Wannate MDI-100 is widely used in spray polyurethane foam applications for insulation, air sealing, waterproofing, and moisture control.

CAS Number: 101-68-8
EC Number: 202-966-0
Molecular Formula: C15H10N2O2
Molecular Weight: 250.25 g/mol

SYNONYMS:
4,4'-Methylene Diphenyl Diisocyanate, 4,4'-MDI, MDI, Diphenylmethane-4,4'-Diisocyanate, Methylenebis(4-Phenyl Isocyanate), Methylenediphenyl Diisocyanate, Pure MDI, Monomeric MDI, 4,4'-Diphenylmethane Diisocyanate, Diphenylmethane Diisocyanate.

Wannate MDI-100 is a pure MDI (4,4'-methylenediphenyl diisocyanate) monomer manufactured by Wanhua Chemical.
Wannate MDI-100 is a white to light yellow-green crystal at room temperature.
When melted, Wannate MDI-100 becomes a clear liquid with no mechanical impurities.

Wannate MDI-100 is a 4,4'-methylenediphenyl diisocyanate.
Wannate MDI-100 is a white or pale yellow solid at room temperature.
When melted, Wannate MDI-100 becomes a colorless to pale yellow liquid.

Wannate MDI-100 is pure MDI.
Wannate MDI-100 is a white to light yellow- green crystal at room temperatures.
When melted, Wannate MDI-100 becomes a clear liquid, no mechanical impurities.

Wannate MDI-100 is generally identified as a pure 4,4'-Methylene Diphenyl Diisocyanate (4,4'-MDI) grade manufactured.
Wannate MDI-100 is an aromatic diisocyanate widely used as a key raw material in the production of polyurethane foams, elastomers, adhesives, sealants, coatings, binders, and composite materials.

Wannate MDI-100 is characterized by high purity, high reactivity, and excellent ability to form strong polyurethane networks.
Wannate MDI-100 is commonly used where superior mechanical properties, dimensional stability, thermal insulation performance, and durability are required.

Compared with TDI-based systems, Wannate MDI-100-based polyurethanes often exhibit improved strength, lower volatility, and better overall performance in many industrial applications.

USES and APPLICATIONS of WANNATE MDI-100:
Wannate MDI-100 is extensively used as a primary isocyanate component in the manufacture of rigid polyurethane foam systems designed for high-performance thermal insulation.
These insulation materials are widely utilized in commercial buildings, residential construction, industrial facilities, refrigeration equipment, cold-storage warehouses, and energy-efficient building envelopes.

Wannate MDI-100 is commonly employed in continuous and discontinuous sandwich panel production.
The resulting panels combine structural strength with excellent thermal insulation performance, making them suitable for warehouses, factories, cold rooms, and modular building systems.

The resulting foam systems can provide seamless insulation layers with excellent adhesion to various construction substrates.
Wannate MDI-100 is utilized in the production of structural polyurethane composites where lightweight construction and high mechanical performance are required.

Such composites are used in transportation, industrial equipment, and infrastructure applications.
Wannate MDI-100 is frequently used in polyurethane elastomer manufacturing for industrial wheels, rollers, scraper blades, screens, bushings, vibration-damping components, and wear-resistant engineering parts.

Wannate MDI-100 is primarily used as a key raw material in the production of high-performance polyurethane elastomers, thermoplastic polyurethanes (TPU), synthetic leather, coatings, and adhesives.
Common Applications Microcellular & Cast Elastomers: Wannate MDI-100 is used in mechanical parts, shoe soles, and automotive components.

Thermoplastic Elastomers (TPU): Wannate MDI-100 provides high mechanical strength and flexibility.
CASE Applications: Wannate MDI-100 functions as a prepolymer base for Coatings, Adhesives, Sealants, and Elastomers
Wannate MDI-100 is employed in mining and quarrying applications where polyurethane components require outstanding abrasion resistance and load-bearing capability under severe operating conditions.

Wannate MDI-100 is used in wood composite manufacturing as a binder for engineered wood products including oriented strand board (OSB), medium-density fiberboard (MDF), particleboard, laminated structural panels, and specialty wood composites.
Wannate MDI-100 is utilized in automotive manufacturing for structural reinforcement parts, acoustic insulation components, energy-absorbing systems, seating materials, and lightweight engineering components.

Wannate MDI-100 serves as a raw material for polyurethane prepolymers that are later formulated into specialty adhesives, sealants, elastomers, and engineering materials.
Wannate MDI-100 is also used in footwear applications, industrial casting systems, synthetic sports surfaces, rubber crumb binders, specialty coatings, and infrastructure maintenance products.

Wannate MDI-100 can be used in the production of various polyurethane elastomers including cellular elastomers, thermoplastic elastomers and cast elastomers.
Wannate MDI-100 can be widely used in the production of various polyurethane elastomers including cellular elastomers, thermoplastic elastomers, cast elastomers, synthetic leather, adhesives, coatings and sealants.

Wannate MDI-100 can be used in the production of polyurethane.
Wannate MDI-100 is widely used in the production adhesives and sealants.
Wannate MDI-100 is extensively used in the production of rigid polyurethane foam insulation systems for buildings, refrigeration equipment, cold storage facilities, insulated panels, and energy-efficient construction materials.

Wannate MDI-100 is widely employed in polyurethane sandwich panel manufacturing, where excellent insulation performance and structural strength are required.
Wannate MDI-100 is used in spray polyurethane foam systems for roofing, wall insulation, waterproofing, and air-sealing applications.

Wannate MDI-100 is commonly utilized in polyurethane elastomer production for industrial wheels, rollers, mining components, conveyor systems, and material-handling equipment.
Wannate MDI-100 is used in cast elastomers requiring excellent abrasion resistance and load-bearing capability.
Wannate MDI-100 is employed in polyurethane adhesives for bonding wood, metals, composites, plastics, and construction materials.

Wannate MDI-100 is utilized in binder systems for wood composites such as oriented strand board (OSB), particleboard, medium-density fiberboard (MDF), and engineered wood products.
Wannate MDI-100 is used in polyurethane sealants for construction, transportation, and industrial assembly applications.
Wannate MDI-100 serves as a raw material in polyurethane prepolymer production for specialty elastomers and engineering polymers.

Wannate MDI-100 is used in automotive components including structural parts, insulation materials, acoustic systems, and energy-absorbing elements.
Wannate MDI-100 is utilized in footwear applications requiring durability, cushioning, and mechanical strength.

Wannate MDI-100 is employed in composite manufacturing, reinforcement systems, and specialty engineering materials.
Wannate MDI-100 is used in mining, construction, transportation, furniture, refrigeration, and infrastructure industries.

BENEFITS of WANNATE MDI-100:
One of the most important advantages of Wannate MDI-100 is its ability to produce polyurethane materials with exceptional structural strength and long-term durability.
Wannate MDI-100 contributes to high compressive strength, making it highly suitable for rigid foam insulation systems that must maintain dimensional stability under load.

Wannate MDI-100 enables the production of polyurethane materials with excellent thermal insulation properties, supporting energy-efficient construction and refrigeration systems.
Wannate MDI-100 provides outstanding adhesion to a wide range of substrates, including wood, metals, plastics, composites, mineral surfaces, and concrete.

Wannate MDI-100 contributes to superior abrasion resistance in elastomer applications, extending the service life of industrial components operating under demanding conditions.
Wannate MDI-100 provides excellent load-bearing performance and resistance to mechanical deformation.
Wannate MDI-100 supports the production of lightweight polyurethane structures without sacrificing strength or durability.

Wannate MDI-100 contributes to good chemical resistance against oils, fuels, lubricants, and many industrial chemicals.
Wannate MDI-100 enables efficient manufacturing processes because of its predictable reactivity and compatibility with numerous polyol systems.

Wannate MDI-100 provides lower volatility compared with some alternative aromatic isocyanates, helping improve process control and handling efficiency.
Wannate MDI-100 contributes to long-term dimensional stability, which is especially important in insulation materials, structural components, and engineering applications.

CHARACTERISTICS of WANNATE MDI-100:
Wannate MDI-100 is a high-purity monomeric aromatic diisocyanate characterized by excellent reactivity toward hydroxyl-containing compounds.
Wannate MDI-100 contains a high concentration of reactive isocyanate groups, allowing efficient formation of polyurethane networks with outstanding mechanical performance.

Wannate MDI-100's aromatic molecular structure contributes to high strength, rigidity, and thermal performance in finished polyurethane products.
Wannate MDI-100 is characterized by relatively low vapor pressure, which can simplify industrial handling compared with more volatile isocyanate systems.

Wannate MDI-100 demonstrates excellent compatibility with polyester polyols, polyether polyols, and numerous specialty polyol formulations used throughout the polyurethane industry.
Wannate MDI-100 is known for producing polyurethane systems with excellent compressive strength, tensile strength, and dimensional stability.

The resulting polyurethane materials often exhibit a balanced combination of rigidity, toughness, and durability suitable for demanding industrial applications.
Wannate MDI-100 is particularly valued in rigid foam technology because it supports the formation of closed-cell foam structures with excellent insulation performance.

Wannate MDI-100 contributes to the development of highly crosslinked polymer networks that maintain their properties over long service periods.

Wannate MDI-100 is widely recognized throughout the polyurethane industry as a versatile raw material capable of serving insulation, elastomer, adhesive, binder, composite, and structural applications.
The combination of high reactivity, strong mechanical performance, excellent insulation capability, and broad formulation flexibility makes Wannate MDI-100 one of the most important polyurethane raw materials used in modern industrial manufacturing.

PROPERTIES of WANNATE MDI-100:
Wannate MDI-100 exhibits high chemical reactivity, making it highly suitable for polyurethane synthesis.
Wannate MDI-100 contains two reactive isocyanate groups that readily react with polyols to form polyurethane polymers.
Wannate MDI-100 provides excellent mechanical strength and structural integrity in finished polyurethane products.

Wannate MDI-100 contributes to high compressive strength, tensile strength, and dimensional stability.
Wannate MDI-100 offers excellent adhesion to a wide variety of substrates including wood, metal, plastics, fibers, and mineral surfaces.

Wannate MDI-100 supports the production of rigid, semi-rigid, and elastomeric polyurethane materials.
Wannate MDI-100 exhibits lower vapor pressure than TDI, improving handling characteristics during industrial processing.

CHARACTERISTICS of WANNATE MDI-100:
Wannate MDI-100 is characterized by its high purity monomeric MDI composition.
Wannate MDI-100 is an aromatic diisocyanate with excellent reactivity and efficient polyurethane-forming capability.
Wannate MDI-100 forms highly crosslinked polymer networks that contribute to outstanding mechanical performance.

Wannate MDI-100 is widely recognized for producing rigid polyurethane foams with excellent thermal insulation properties.
Wannate MDI-100 contributes to excellent load-bearing performance and structural stability in polyurethane products.

Wannate MDI-100 demonstrates good compatibility with a wide range of polyol systems used throughout the polyurethane industry.
Wannate MDI-100 is commonly selected for applications requiring high strength, durability, and long-term dimensional stability.

BENEFITS of WANNATE MDI-100:
Wannate MDI-100 provides outstanding mechanical strength in polyurethane systems.
Wannate MDI-100 contributes to superior compressive strength in rigid foam applications.
Wannate MDI-100 enables the production of insulation materials with excellent thermal efficiency.

Wannate MDI-100 supports long-term dimensional stability under varying environmental conditions.
Wannate MDI-100 contributes to excellent adhesion and bonding performance.

Wannate MDI-100 improves durability and wear resistance in elastomer applications.
Wannate MDI-100 provides good resistance to many industrial chemicals and solvents.

Wannate MDI-100 supports efficient manufacturing through predictable reactivity and curing behavior.
Wannate MDI-100 helps produce polyurethane materials with long service life and reliable performance.
Wannate MDI-100 offers lower volatility than many alternative aromatic isocyanates, improving process control.

PHYSICAL and CHEMICAL PROPERTIES of WANNATE MDI-100:
Chemical Name: 4,4'-Methylene Diphenyl Diisocyanate
Common Name: MDI
Product Name: WANNATE® MDI-100
CAS Number: 101-68-8
EC Number: 202-966-0
Molecular Formula: C15H10N2O2
Molecular Weight: 250.25 g/mol
IUPAC Name: 1-Isocyanato-4-[(4-isocyanatophenyl)methyl]benzene

Appearance: White to pale yellow solid or molten liquid above melting point
Physical State: Solid at room temperature
Odor: Mild aromatic odor
Chemical Family: Aromatic diisocyanate
Molecular Formula: C15H10N2O2
Molecular Weight: 250.25 g/mol
Density (25°C): Approximately 1.23 g/cm³
Melting Point: Approximately 39–42°C

Boiling Point: Approximately 314°C (decomposes)
Flash Point: Approximately 200°C
Auto-Ignition Temperature: Approximately 400°C
Vapor Pressure (25°C): Very low
Viscosity (Molten State): Low to moderate
NCO Content: Approximately 33.5–33.8%
Solubility in Water: Reacts with water
Solubility in Organic Solvents: Soluble in many polar organic solvents

Moisture Sensitivity: High
Reactivity: Highly reactive toward hydroxyl groups, amines, and water
Thermal Stability: Good under recommended processing conditions
Volatility: Lower than TDI
Surface Tension: Moderate
Functionality: 2
Appearance: White to pale yellow crystal/solid at room temperature; becomes a clear, colorless liquid when melted.
CAS Number: 101-68-8
Purity: Generally > 99%
NCO Content: ~ 33.6%

FIRST AID MEASURES of WANNATE MDI-100:
-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 MDI-100:
-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 MDI-100:
-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 MDI-100:
-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 MDI-100:
-Conditions for safe storage, including any incompatibilities:
*Storage conditions:
Tightly closed.
Dry.

STABILITY and REACTIVITY of WANNATE MDI-100:
-Chemical stability:
The product is chemically stable under standard ambient conditions (room temperature).
-Possibility of hazardous reactions:
No data available