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Wannate MDI-50 is used in protective polyurethane coatings that require excellent chemical resistance, abrasion resistance, and durability.
Wannate MDI-50 is suitable for the manufacture of rigid polyurethane foam systems used for thermal insulation in buildings, refrigeration equipment, and industrial facilities.
Wannate MDI-50 is utilized in sandwich panels, insulated pipes, cold-storage systems, and refrigeration insulation products.
CAS Number (4,4'-MDI): 101-68-8
CAS Number (Polymeric MDI): 9016-87-9
CAS Number (MDI Mixture): 26447-40-5
EC Number (4,4'-MDI): 202-966-0
EC Number (MDI Mixture): 247-714-0
Molecular Formula (4,4'-MDI): C15H10N2O2
Molecular Weight (4,4'-MDI): 250.25 g/mol
SYNONYMS:
Methylene Diphenyl Diisocyanate, MDI, Diphenylmethane Diisocyanate, 4,4'-Methylenediphenyl Diisocyanate, Modified MDI, Liquid MDI, Polymeric MDI, pMDI, Aromatic Polyisocyanate, MDI Blend, Isocyanate Resin, Polyurethane Isocyanate, Diphenylmethane-4,4'-Diisocyanate
Wannate MDI-50 is a monomer MDI.
Wannate MDI-50 is a mixture of 2,4’- and 4,4’-diphenylmethane diisocyanate.
Wannate MDI-50 is a clear, colorless to pale yellow liquid at ambient temperatures.
Wannate MDI-50 provides good flowability.
Wannate MDI-50 is suitable for injection molding.
Wannate MDI-50 can also be used as a substitute for TDI in the production of flexible PU foam, which reduces productive cost and environmental pollution as well as improves handling conditions.
Wannate MDI-50 is recommended for automotive parts.
Wannate MDI-50 is a mixture of 2,4’- and 4,4’-diphenylmethane diisocyanate.
Wannate MDI-50 is a clear, colorless to pale yellow liquid at ambient temperatures.
Wannate MDI-50 provides good flowability.
Wannate MDI-50 has a shelf life of 3 months.
Wannate MDI-50 is a mixture of 2,4-diphenylmethane diisocyanate and 4,4- diphenylmethane diisocyanate.
Wannate MDI-50 is a colorless to slightly yellowish transparent liquid at room temperature.
Due to the difference in reactivity between 2.4 and 4.4-MDI, Wannate MDI-50 provides better flow characteristics for the production of die-molded products.
Wannate MDI-50 can be widely used in the production of high-resistance foams, semi-rigid foams, and microcellular elastomers, as well as in the production of elastomers.
Wannate MDI-50 is a modified methylene diphenyl diisocyanate (MDI) product manufactured.
Wannate MDI-50 is a liquid aromatic isocyanate containing a mixture of MDI isomers and modified MDI components.
Wannate MDI-50 is primarily used as a reactive raw material in polyurethane production, including elastomers, adhesives, coatings, sealants, binders, and various foam systems.
Wannate MDI-50 is valued for its balanced reactivity, excellent processing characteristics, and ability to produce polyurethane materials with high mechanical strength and durability.
Because Wannate MDI-50 is a commercial modified MDI mixture rather than a single pure compound, multiple identifiers may be associated with its MDI constituents.
Wannate MDI-50 itself does not have a single fixed molecular formula or molecular weight because it is a modified MDI mixture containing various isocyanate species and oligomeric structures.
USES and APPLICATIONS of WANNATE MDI-50:
Wannate MDI-50 is widely used in the manufacture of polyurethane elastomers for industrial and engineering applications.
Wannate MDI-50 is utilized in the production of rollers, wheels, conveyor components, and wear-resistant industrial parts.
Wannate MDI-50 is employed in polyurethane adhesive formulations for construction, automotive, woodworking, and industrial assembly applications.
Wannate MDI-50 serves as a key raw material in polyurethane sealants used in building, transportation, and infrastructure projects.
Wannate MDI-50 is used in protective polyurethane coatings that require excellent chemical resistance, abrasion resistance, and durability.
Wannate MDI-50 is suitable for the manufacture of rigid polyurethane foam systems used for thermal insulation in buildings, refrigeration equipment, and industrial facilities.
Wannate MDI-50 is utilized in sandwich panels, insulated pipes, cold-storage systems, and refrigeration insulation products.
Wannate MDI-50 is employed in polyurethane binders for rubber crumb flooring, athletic tracks, playground surfaces, and composite materials.
Wannate MDI-50 is used in automotive applications including interior components, structural parts, acoustic insulation materials, and molded polyurethane systems.
Wannate MDI-50 is suitable for manufacturing industrial gaskets, seals, vibration-damping components, and shock-absorbing elements.
Wannate MDI-50 is commonly used in mining, transportation, footwear, construction, furniture, appliance, and general manufacturing industries.
Wannate MDI-50 can also be used as a raw material for polyurethane prepolymers, which are subsequently formulated into high-performance elastomers and specialty polyurethane products.
Wannate MDI-50 is extensively used in the production of high-performance polyurethane elastomers that require excellent mechanical strength, abrasion resistance, and long-term durability.
These elastomers are commonly employed in industrial environments where components are exposed to repeated impact, heavy loads, and continuous wear.
Wannate MDI-50 is widely utilized in rigid polyurethane foam systems for thermal insulation applications.
These foam systems are used in building insulation panels, refrigerated transport vehicles, cold-storage warehouses, industrial insulation equipment, and energy-efficient construction materials.
Wannate MDI-50 is frequently used in the manufacture of polyurethane sandwich panels for commercial buildings, warehouses, and industrial facilities.
The resulting insulation systems provide excellent thermal efficiency and structural stability.
Wannate MDI-50 is employed in spray polyurethane foam formulations used for roofing systems, wall insulation, waterproofing layers, and air-sealing applications.
The excellent adhesion properties of MDI-based systems contribute to strong substrate bonding and long-term performance.
Wannate MDI-50 is suitable for producing industrial wheels, caster wheels, conveyor rollers, guide rollers, and material-handling equipment components that require high wear resistance and load-bearing capability.
Wannate MDI-50 is used in mining and quarrying equipment components where abrasion resistance and mechanical durability are critical.
Polyurethane parts manufactured from MDI-based systems can provide longer service life compared with conventional rubber materials.
Wannate MDI-50 is utilized in polyurethane binders for rubber crumb flooring, sports tracks, playground surfaces, and safety flooring systems.
The resulting products demonstrate excellent durability and environmental resistance.
Wannate MDI-50 is commonly employed in automotive applications including acoustic insulation components, structural reinforcement parts, bumper systems, energy-absorbing elements, and molded polyurethane interior components.
Wannate MDI-50 is used in industrial adhesives designed for bonding wood, metal, plastic, composite materials, and construction substrates.
These adhesive systems provide strong bond strength and long-term durability.
Wannate MDI-50 is suitable for sealant formulations used in construction joints, transportation assemblies, infrastructure projects, and industrial maintenance applications.
Wannate MDI-50 is utilized in protective polyurethane coatings for industrial machinery, pipelines, storage tanks, marine structures, and transportation equipment where chemical resistance and mechanical protection are required.
Wannate MDI-50 serves as a raw material for manufacturing polyurethane prepolymers that are later formulated into specialty elastomers, adhesives, coatings, sealants, and engineering materials.
Wannate MDI-50 is widely used in the production of various PU elastomers.
Wannate MDI-50 can be used in the production of adhesives.
BENEFITS of WANNATE MDI-50:
One of the most important benefits of Wannate MDI-50 is its ability to produce polyurethane materials with outstanding mechanical performance and structural integrity.
Wannate MDI-50 contributes to excellent tensile strength, allowing polyurethane systems to withstand demanding mechanical loads without failure.
The resulting polyurethane materials exhibit superior abrasion resistance, making them suitable for highly demanding industrial applications involving friction, wear, and particle contact.
Wannate MDI-50 provides excellent tear resistance, helping finished products maintain performance under repeated stress and deformation.
Wannate MDI-50 contributes to high impact resistance and energy absorption, making it useful in protective and cushioning applications.
Wannate MDI-50 enables the production of polyurethane systems with excellent dimensional stability over extended service periods.
Wannate MDI-50's low vapor pressure compared with some alternative aromatic isocyanates improves workplace handling characteristics and reduces evaporation losses during processing.
Wannate MDI-50 supports the production of highly durable polyurethane products capable of maintaining performance under severe environmental and operating conditions.
Wannate MDI-50 contributes to excellent fatigue resistance, allowing polyurethane components to perform reliably during repeated loading cycles.
Wannate MDI-50 demonstrates strong adhesion performance in adhesive and coating systems, enhancing substrate bonding and long-term durability.
The resulting polyurethane systems often exhibit good resistance to oils, fuels, lubricants, solvents, and many industrial chemicals.
Wannate MDI-50 supports efficient manufacturing processes through reliable reactivity and predictable curing behavior.
CHARACTERISTICS of WANNATE MDI-50:
Wannate MDI-50 is a liquid aromatic isocyanate based on methylene diphenyl diisocyanate chemistry and modified to provide improved handling and processing characteristics.
Wannate MDI-50 is characterized by relatively low volatility, which contributes to safer and more controlled industrial processing conditions.
The liquid form of Wannate MDI-50 eliminates many of the handling challenges associated with solid MDI grades and simplifies storage, transfer, pumping, and metering operations.
Wannate MDI-50 exhibits excellent compatibility with a wide range of polyester polyols and polyether polyols used in polyurethane formulations.
Wannate MDI-50 demonstrates high reactivity toward hydroxyl-containing compounds, enabling efficient polyurethane network formation.
Wannate MDI-50 contributes to the development of highly crosslinked polymer structures with excellent mechanical properties.
The resulting polyurethane systems generally display a balanced combination of hardness, toughness, flexibility, and resilience.
Wannate MDI-50 is known for producing polyurethane products with excellent load-bearing capability and long-term dimensional stability.
Wannate MDI-50 supports formulation flexibility and can be used in rigid foams, elastomers, coatings, adhesives, sealants, binders, and composite systems.
Wannate MDI-50 provides consistent processing performance, allowing manufacturers to achieve reliable product quality and reproducible production results.
Wannate MDI-50 is valued throughout the polyurethane industry because it combines processing efficiency, strong mechanical performance, durability, and broad application versatility.
PHYSICAL and CHEMICAL CHARACTERISTICS of WANNATE MDI-50:
Wannate MDI-50 combines the advantages of liquid processability with the excellent mechanical performance associated with MDI-based polyurethane chemistry.
Wannate MDI-50 exhibits lower volatility than many TDI-based isocyanates, helping reduce vapor emissions during processing.
Wannate MDI-50's liquid form simplifies pumping, metering, blending, and manufacturing operations.
Wannate MDI-50 reacts efficiently with both polyester and polyether polyols, allowing broad formulation flexibility.
The isocyanate groups provide strong crosslinking capability, resulting in durable polyurethane structures with high strength and toughness.
Wannate MDI-50 demonstrates excellent compatibility with common polyurethane additives, catalysts, pigments, and fillers.
BENEFITS of WANNATE MDI-50:
Wannate MDI-50 contributes to the production of polyurethane materials with excellent tensile strength and structural integrity.
Wannate MDI-50 enables the manufacture of elastomers with outstanding abrasion resistance and long service life.
Wannate MDI-50 provides excellent tear resistance, helping polyurethane products withstand repeated mechanical stress.
Wannate MDI-50 contributes to superior impact resistance and energy absorption properties.
Wannate MDI-50's low volatility improves workplace handling characteristics compared with some alternative aromatic isocyanates.
Wannate MDI-50 supports the development of polyurethane systems with excellent dimensional stability.
Wannate MDI-50 allows manufacturers to achieve consistent processing performance and reliable product quality.
Wannate MDI-50 contributes to strong adhesion characteristics in adhesive and coating applications.
Polyurethane systems based on MDI chemistry often demonstrate excellent fatigue resistance and long-term durability.
Wannate MDI-50 helps create polyurethane materials with a balanced combination of hardness, flexibility, and resilience.
PHYSICAL and CHEMICAL PROPERTIES of WANNATE MDI-50:
CAS Number (4,4'-MDI): 101-68-8
CAS Number (Polymeric MDI): 9016-87-9
CAS Number (MDI Mixture): 26447-40-5
EC Number (4,4'-MDI): 202-966-0
EC Number (MDI Mixture): 247-714-0
Molecular Formula (4,4'-MDI): C15H10N2O2
Molecular Weight (4,4'-MDI): 250.25 g/mol
Appearance: Pale yellow to brown liquid
Physical State: Liquid
Chemical Type: Modified aromatic polyisocyanate
Odor: Slight aromatic/isocyanate odor
Molecular Family: MDI-based polyisocyanate
Relative Density (25°C): Approximately 1.20–1.25 g/cm³
Viscosity (25°C): Typically 100–300 mPa·s
NCO Content: Approximately 30–33%
Flash Point: Above 200°C
Boiling Point: Decomposes before boiling
Vapor Pressure: Very low at room temperature
Vapor Density: Heavier than air
Solubility in Water: Insoluble and reacts with water
Solubility in Organic Solvents: Soluble in many aromatic and ester solvents
Reactivity: Highly reactive with hydroxyl, amine, and water-containing compounds
Moisture Sensitivity: High
Thermal Stability: Good under recommended storage conditions
Storage Stability: Good when protected from moisture
Processing Characteristics: Excellent flowability and mixing properties
Cure Behavior: Forms strong polyurethane networks
Chemical Nature: Reactive isocyanate intermediate
FIRST AID MEASURES of WANNATE MDI-50:
-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-50:
-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-50:
-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-50:
-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-50:
-Conditions for safe storage, including any incompatibilities:
*Storage conditions:
Tightly closed.
Dry.
STABILITY and REACTIVITY of WANNATE MDI-50:
-Chemical stability:
The product is chemically stable under standard ambient conditions (room temperature).
-Possibility of hazardous reactions:
No data available
