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Wannate PM-2025 is used in the manufacture of insulated water heaters, solar water heating systems, thermal storage equipment, and energy-efficient heating appliances.
In industrial processing facilities, Wannate PM-2025 is applied in insulation systems for reactors, storage vessels, process tanks, pipelines, and thermal processing equipment.
CAS Number: 9016-87-9
EC Number: 618-498-9
Molecular Formula: Not uniquely defined (polymeric mixture)
Molecular Weight: Not uniquely defined
SYNONYMS:
Polymeric MDI, pMDI, Polymeric Methylene Diphenyl Diisocyanate, Polymeric Methylenediphenyl Diisocyanate, Polymeric Diphenylmethane Diisocyanate, Polymethylene Polyphenylene Polyisocyanate, Polymethylene Polyphenyl Isocyanate, Polyphenylmethane Polyisocyanate, PMDI, Polymeric Isocyanate, Aromatic Polyisocyanate, Crude MDI, Polymeric Diphenylmethane Polyisocyanate
Wannate PM-2025 is a polymethylene polyphenylene isocyanate.
Wannate PM-2025 offers high functionality and easy moisture.
Wannate PM-2025 is free of formaldehyde composition.
One of Wannate PM-2025's key characteristics is its ability to support the formation of highly closed-cell foam structures.
Closed-cell content is critical for achieving low thermal conductivity, high insulation efficiency, and improved moisture resistance.
As a result, foams produced with Wannate PM-2025 maintain excellent insulation performance over extended service periods.
Wannate PM-2025 demonstrates excellent compatibility with modern blowing agents used in environmentally friendly polyurethane formulations.
This makes Wannate PM-2025 suitable for insulation systems developed to meet current energy-efficiency and sustainability requirements.
Wannate PM-2025 provides reliable processing characteristics across varying ambient temperatures and production conditions.
This consistency helps manufacturers reduce process variability and improve product quality control.
Wannate PM-2025 also contributes to excellent surface finish and foam uniformity, which are important factors in the production of insulation panels, appliance components, and construction materials requiring precise dimensional tolerances.
Wannate PM-2025's aromatic polyisocyanate chemistry contributes to high rigidity, excellent compressive strength, and long-term structural stability in cured polyurethane systems.
Wannate PM-2025 is a polymeric methylene diphenyl diisocyanate (pMDI) for use in rigid polyurethane (PU) and polyisocyanurate (PIR) foam applications.
Wannate PM-2025 is a dark brown liquid composed of a mixture of methylene diphenyl diisocyanate isomers and higher oligomeric polymethylene polyphenylene polyisocyanates.
Wannate PM-2025 is specifically designed to provide an optimal balance of reactivity, viscosity, functionality, and processing performance.
Wannate PM-2025 is a complex polymeric isocyanate mixture containing monomeric MDI species and higher-functionality oligomeric components.
Since Wannate PM-2025 is classified as a UVCB substance (Unknown or Variable Composition, Complex Reaction Products, or Biological Materials), no single molecular formula or molecular weight can accurately represent the entire product.
USES and APPLICATIONS of WANNATE PM-2025:
Wannate PM-2025 is widely used in the production of continuous rigid foam panels manufactured on automated panel production lines.
These panels are extensively used in industrial buildings, distribution centers, agricultural facilities, and temperature-controlled storage environments.
Wannate PM-2025 is commonly utilized in discontinuous panel production processes where high-quality insulation boards and custom-engineered sandwich panels are required for specialized construction projects.
In the cold-chain industry, Wannate PM-2025 is used in advanced refrigeration systems that require precise temperature control and minimal thermal losses.
Applications of Wannate PM-2025 include pharmaceutical storage facilities, vaccine storage units, food preservation systems, and refrigerated logistics infrastructure.
Wannate PM-2025 is frequently employed in insulated doors, clean-room wall systems, modular construction units, and controlled-environment facilities where thermal insulation and structural performance are equally important.
Wannate PM-2025 is used in the manufacture of insulated water heaters, solar water heating systems, thermal storage equipment, and energy-efficient heating appliances.
In industrial processing facilities, Wannate PM-2025 is applied in insulation systems for reactors, storage vessels, process tanks, pipelines, and thermal processing equipment.
These applications help improve process efficiency by minimizing heat transfer and energy losses.
Wannate PM-2025 is also utilized in marine insulation systems, including insulated ship compartments, refrigerated cargo areas, offshore platforms, and specialized maritime equipment operating in challenging environmental conditions.
In transportation applications, Wannate PM-2025 is used in refrigerated trailers, insulated railway cars, temperature-controlled transport containers, and specialty vehicles designed for cold-chain logistics.
Wannate PM-2025 plays an important role in cryogenic insulation systems used for liquefied gases, including LNG storage tanks, industrial gas processing equipment, and low-temperature chemical processing facilities.
Wannate PM-2025 is increasingly used in energy-efficient building technologies, green construction projects, passive-house insulation systems, and sustainable infrastructure developments designed to meet strict environmental performance standards.
Wannate PM-2025 is also suitable for composite structural components that require a combination of low weight, high strength, thermal insulation, and long-term durability.
Wannate PM-2025 is extensively used in the production of rigid polyurethane insulation foams for residential, commercial, and industrial buildings.
These insulation materials are widely employed in walls, roofs, floors, ceilings, and building envelope systems designed to improve energy efficiency and thermal comfort.
Wannate PM-2025 is commonly utilized in the manufacture of polyisocyanurate (PIR) insulation boards.
PIR foam systems formulated with Wannate PM-2025 offer excellent thermal insulation, enhanced fire performance, and superior dimensional stability.
One of Wannate PM-2025's major applications is the production of insulated sandwich panels used in industrial buildings, warehouses, cold storage facilities, clean rooms, pharmaceutical facilities, food processing plants, and refrigerated distribution centers.
Wannate PM-2025 plays an important role in refrigeration and cold-chain industries.
Wannate PM-2025 is used in the insulation of refrigerators, freezers, refrigerated trucks, refrigerated shipping containers, cold rooms, and temperature-controlled storage facilities.
Wannate PM-2025 is frequently incorporated into spray polyurethane foam systems used for roof insulation, wall insulation, tank insulation, pipeline insulation, industrial maintenance, and infrastructure projects.
These spray foam systems provide seamless insulation layers with excellent thermal and mechanical properties.
Wannate PM-2025 is widely utilized in appliance insulation applications, including refrigerators, freezers, water heaters, vending machines, and energy-efficient household appliances where low thermal conductivity is required.
Wannate PM-2025 is also used in district heating pipe insulation systems, petrochemical installations, oil and gas transportation infrastructure, industrial process equipment, and chemical processing plants where thermal energy conservation is critical.
Additional applications of Wannate PM-2025 include structural insulated panels (SIPs), prefabricated construction systems, marine insulation products, transportation insulation systems, cryogenic insulation, LNG storage facilities, composite construction materials, and specialized industrial enclosures.
Wannate PM-2025 is particularly suitable for modern energy-efficient construction projects that require high-performance insulation materials capable of meeting increasingly stringent environmental and energy-saving regulations.
Wannate PM-2025 is used in production of polyurethane adhesives and sealants.
Wannate PM-2025 is recognized for its versatility in rigid polyurethane foam formulations and its ability to perform effectively across a wide range of processing technologies.
Wannate PM-2025 offers a balanced combination of flowability and reactivity, allowing manufacturers to achieve consistent foam quality in both high-speed and conventional production environments.
Wannate PM-2025 is widely used in insulation materials requiring excellent thermal efficiency, dimensional stability, mechanical strength, and long-term durability.
Due to its carefully controlled composition, Wannate PM-2025 is suitable for a broad range of rigid foam applications including sandwich panels, insulation boards, spray foam systems, refrigeration insulation, construction materials, and industrial insulation products.
Wannate PM-2025 contributes to the manufacture of high-performance polyurethane systems that meet demanding energy-efficiency and structural requirements.
BENEFITS of WANNATE PM-2025:
Wannate PM-2025 helps manufacturers produce insulation materials that contribute significantly to energy conservation in buildings, industrial facilities, and refrigeration systems.
By reducing thermal energy losses, the resulting insulation systems can improve operational efficiency and lower energy consumption.
Wannate PM-2025 supports the manufacture of lightweight insulation materials with excellent strength-to-weight ratios.
This characteristic is particularly valuable in transportation, construction, and refrigeration applications where weight reduction can improve overall system performance.
Wannate PM-2025's balanced reactivity helps optimize foam rise profiles and curing behavior, resulting in improved productivity and reduced manufacturing defects.
Wannate PM-2025 contributes to enhanced foam dimensional accuracy, helping manufacturers produce insulation panels and molded components with consistent dimensions and reduced post-production adjustments.
Wannate PM-2025 also improves the long-term durability of insulation materials by helping maintain mechanical strength and thermal performance throughout years of service.
The resulting polyurethane foams exhibit excellent resistance to compression set, helping them retain their original shape even when subjected to continuous loading conditions.
Another significant benefit is improved bonding performance with a variety of substrates, allowing the manufacture of strong composite structures used in construction, transportation, and industrial applications.
Wannate PM-2025 helps reduce the risk of foam shrinkage during curing and aging, which is critical for maintaining insulation effectiveness and structural integrity.
Wannate PM-2025 provides excellent thermal insulation properties by supporting the formation of highly efficient closed-cell foam structures that reduce heat transfer and improve energy conservation.
Wannate PM-2025 contributes to high compressive strength and improved load-bearing performance in rigid polyurethane and PIR foam systems.
This characteristic is particularly beneficial for insulation boards, roofing systems, and structural panel applications.
Wannate PM-2025's balanced viscosity improves processing efficiency by facilitating pumping, metering, mixing, and foam expansion during manufacturing operations.
Wannate PM-2025 enhances dimensional stability, helping insulation materials maintain their physical dimensions and mechanical properties during long-term service.
Wannate PM-2025 improves adhesion between foam cores and facing materials such as steel sheets, aluminum panels, fiberglass reinforcements, kraft paper facings, and composite laminates.
Wannate PM-2025 contributes to improved moisture resistance and helps maintain insulation performance even under challenging environmental conditions.
The excellent reactivity of Wannate PM-2025 supports rapid production cycles and efficient manufacturing processes, helping producers increase productivity while maintaining consistent product quality.
The resulting polyurethane materials exhibit long-term durability, reduced thermal aging, improved structural integrity, and excellent resistance to environmental degradation.
TECHNICAL PERFORMANCE ADVANTAGES of WANNATE PM-2025:
Wannate PM-2025 supports the production of rigid foam systems with low thermal conductivity values, making it highly effective for advanced insulation applications.
Wannate PM-2025 promotes uniform cell nucleation and controlled foam expansion, resulting in consistent foam density and improved insulation performance.
Its optimized functionality allows manufacturers to achieve a desirable balance between rigidity and processability, making Wannate PM-2025 suitable for both standard and specialized polyurethane formulations.
Wannate PM-2025 contributes to excellent thermal aging resistance, helping insulation systems maintain performance even after prolonged exposure to elevated temperatures.
Wannate PM-2025 can be incorporated into formulations designed for high-performance PIR foams, which are often selected for applications requiring enhanced fire resistance and thermal stability.
Wannate PM-2025 remains one of the most versatile polymeric MDI raw materials for rigid polyurethane insulation technologies, offering a combination of processing efficiency, mechanical strength, thermal performance, and long-term reliability.
CHARACTERISTICS of WANNATE PM-2025:
Wannate PM-2025 is characterized by its balanced functionality and moderate viscosity, allowing efficient processing while maintaining excellent foam performance.
Wannate PM-2025 provides a favorable combination of flow characteristics, reactivity, and crosslinking capability, making it suitable for large-scale industrial production.
Wannate PM-2025 exhibits excellent compatibility with polyether polyols, polyester polyols, catalysts, surfactants, blowing agents, and flame-retardant additives commonly used in polyurethane formulations.
This compatibility allows manufacturers to formulate rigid foam systems with consistent processing behavior and reliable product quality.
Wannate PM-2025 promotes the formation of fine and uniform closed-cell foam structures.
These cell structures contribute to low thermal conductivity, high insulation efficiency, excellent compressive strength, and improved dimensional stability.
Wannate PM-2025's aromatic polyisocyanate structure provides outstanding rigidity and mechanical performance in cured polyurethane systems.
The resulting foams demonstrate long-term durability and resistance to deformation under mechanical and thermal stress.
Wannate PM-2025 is particularly valued in insulation applications where high energy efficiency, structural stability, and reliable long-term performance are required.
PHYSICAL and CHEMICAL PROPERTIES of WANNATE PM-2025:
Product Name WANNATE® PM-2025
Chemical Type Polymeric MDI (pMDI)
Chemical Family Aromatic Polyisocyanate
Main Component Polymethylene Polyphenylene Polyisocyanate
CAS Number 9016-87-9
EC Number 618-498-9
Molecular Formula UVCB Substance (Variable Composition)
Molecular Weight Not specifically defined
Appearance Dark brown liquid
Physical State Liquid
Appearance: Dark brown liquid
Physical State: Liquid
Color: Dark brown to brown
Odor: Slight aromatic isocyanate odor
Density (25°C): Approximately 1.22–1.24 g/cm³
Viscosity (25°C): Approximately 200–300 mPa·s
NCO Content: Approximately 30.5–31.5%
Average Functionality: Approximately 2.7–2.9
Vapor Pressure: Very low at ambient temperature
Flash Point: Typically above 200°C
Boiling Point: Decomposes before boiling
Solubility in Water: Reacts with water
Solubility in Organic Solvents: Soluble in aromatic hydrocarbons, esters, ketones, and other compatible solvents
Freezing Point: Typically below room temperature
Storage Stability: Good under dry storage conditions
Shelf Life: Generally 6–12 months when properly stored
Chemical Family: Aromatic Polyisocyanate
Functional Groups: Isocyanate (-NCO)
Reactivity Toward Polyols: Excellent
Crosslinking Capability: High
Moisture Sensitivity: High
Water Reactivity: Reacts to form polyureas and carbon dioxide
Polymerization Characteristics: Rapid polyurethane formation
Hydrolyzable Chlorine Content: Low
Acidity (HCl): Low
Thermal Stability: Good under recommended processing conditions
Chemical Resistance After Cure: Excellent
Dimensional Stability: Excellent
Adhesion Performance: Excellent
Compatibility: Compatible with most rigid polyurethane formulations
Long-Term Durability: High
Aging Resistance: Good
FIRST AID MEASURES of WANNATE PM-2025:
-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 PM-2025:
-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 PM-2025:
-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 PM-2025:
-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 PM-2025:
-Conditions for safe storage, including any incompatibilities:
*Storage conditions:
Tightly closed.
Dry.
STABILITY and REACTIVITY of WANNATE PM-2025:
-Chemical stability:
The product is chemically stable under standard ambient conditions (room temperature).
-Possibility of hazardous reactions:
No data available
