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Wannate PM-700 is frequently used in continuous and discontinuous sandwich panel manufacturing.
Wannate PM-700 is used in the production of rigid PU foams and polyisocyanurate foams.
Wannate PM-700 plays a major role in refrigeration and cold-chain industries.
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, Polymeric Methylene Bisphenyl Isocyanate
Wannate PM-700 is a high-functional, high-viscosity organic chemical raw material of polymeric MDI.
Wannate PM-700's CAS number is 9016-87-9.
At room temperature, Wannate PM-700 is a dark brown transparent liquid with a functional group of 3.0-3.1 and a NCO content of 29.0-32.0%.
Wannate PM-700 is the core raw material for the production of polyurethane and polyisocyanurate (PIR) rigid foams.
Wannate PM-700 is suitable for the continuous production of PIR sandwich panels and can effectively improve the uniformity of foam cell structure, dimensional stability, and the compressive strength in the vertical direction of foaming.
At the same time, Wannate PM-700 can enhance the flame retardancy of the foam.
Wannate PM-700 is a high-quality raw material in the field of insulation.
Wannate PM-700 should be stored under recommended conditions of 15-35ºC, sealed, dry, and protected from water.
The shelf life of Wannate PM-700 can reach 1 year.
Wannate PM-700 is a polymethylene polyphenylene isocyanate with high functionality and high viscosity.
Wannate PM-700 can improve cell homogeneity and dimensional stability of foams.
Wannate PM-700 is particularly suitable for continuous production of laminated polyisocyanurate sandwich panels.
Wannate PM-700 is a polymeric methylene diphenyl diisocyanate (MDI) with higher functionality.
Wannate PM-700 was specifically designed for use in the production of both PUR and PIR (continuous and discontinuous) block foams.
The slightly higher functionality and intermediate viscosity of Wannate PM-700 also makes it ideal for certain continuous and discontinuous laminating processes.
The increased functionality promotes improved foam cure, excellent strength properties and better dimensional stabilities.
Wannate PM-700 is high functionality, high viscosity isocyanate.
Wannate PM-700 can be usedthe production of rigid PU foam and polyisocyanurate foams, particularly fit forcontinuous production of laminated polyisocyanurate slabstock foams.
Wannate PM-700 can improve cell homogeneity and dimensional stability of foams and thecompressive strength vertical to the foaming direction.
The flame retardancy ofpolyurethane and polyisocyanurate foams also shows some improvement
Wannate PM-700 is a high-viscosity, high-functionality polymeric methylene diphenyl diisocyanate (pMDI).
Wannate PM-700 belongs to the family of aromatic polyisocyanates and is specifically designed for the production of rigid polyurethane (PU) and polyisocyanurate (PIR) foam systems.
Wannate PM-700 contains a mixture of methylene diphenyl diisocyanate isomers and higher oligomeric homologues with elevated functionality compared with conventional polymeric MDI grades.
Due to its high functionality, Wannate PM-700 promotes extensive crosslinking during polyurethane formation, resulting in rigid foam materials with outstanding dimensional stability, compressive strength, thermal insulation performance, and durability.
Wannate PM-700 is widely used in advanced insulation technologies, industrial construction materials, sandwich panels, refrigeration equipment, cryogenic insulation systems, and other demanding polyurethane applications requiring superior structural performance.
Wannate PM-700 is a complex polymeric MDI product consisting of multiple methylene diphenyl diisocyanate species and oligomeric components.
Because Wannate PM-700 is a UVCB substance (Unknown or Variable Composition, Complex Reaction Products, or Biological Materials), a single molecular formula and molecular weight cannot be assigned.
USES and APPLICATIONS of WANNATE PM-700:
Wannate PM-700 is extensively used in the manufacture of high-performance rigid polyurethane insulation foams for commercial, industrial, and residential construction projects.
Wannate PM-700 is commonly employed in insulation boards, roofing systems, wall panels, floor insulation, and building envelope applications where superior thermal performance is required.
Wannate PM-700 is widely utilized in the production of polyisocyanurate (PIR) insulation materials.
PIR foams produced with high-functionality polymeric MDI provide enhanced fire performance, improved thermal stability, and superior insulation efficiency compared with many conventional insulation materials.
Wannate PM-700 is frequently used in continuous and discontinuous sandwich panel manufacturing.
These panels are widely installed in cold storage warehouses, food processing facilities, industrial buildings, logistics centers, pharmaceutical facilities, and refrigerated storage systems.
Wannate PM-700 is used in the production of rigid PU foams and polyisocyanurate foams.
Wannate PM-700 plays a major role in refrigeration and cold-chain industries.
Wannate PM-700 is used in the manufacture of refrigerator insulation panels, freezer insulation systems, refrigerated transport vehicles, refrigerated shipping containers, cold rooms, and temperature-controlled storage facilities.
Wannate PM-700 is commonly applied in industrial pipe insulation systems for district heating networks, oil and gas pipelines, petrochemical installations, and chemical processing plants.
The resulting insulation systems minimize thermal losses and improve operational energy efficiency.
Wannate PM-700 is suitable for spray polyurethane foam applications used in roofing, building insulation, industrial maintenance, tank insulation, and infrastructure projects.
Spray foams formulated with Wannate PM-700 provide seamless insulation layers with excellent adhesion and thermal performance.
Wannate PM-700 is widely used in the production of insulation hard foams for building exteriors, cold storage, and pipelines, and can also be used in the production of related polyurethane products such as industrial adhesives and composite board bonding.
In cryogenic applications, Wannate PM-700 is utilized in insulation systems for liquefied natural gas (LNG) storage tanks, low-temperature process equipment, and industrial gas transportation systems where high-performance thermal insulation is essential.
Wannate PM-700 is high functionality, high viscosity isocyanate.
Wannate PM-700 can be used for the production of rigid PU and polyisocyanurate foams.
Wannate PM-700 is particularly suitable for continuous production of laminated polyisocyanurate slabstock foams.
Wannate PM-700 can improve cell homogeneity and dimensional stability of foams as well as the compressive strength vertical to the foaming direction.
The flame retardancy of polyurethane and polyisocyanurate foams also shows some improvement
Wannate PM-700 is also used in structural insulated panels (SIPs), prefabricated building components, composite construction materials, marine insulation systems, transportation equipment, and specialized industrial enclosures requiring lightweight but highly durable insulation materials.
Wannate PM-700 is frequently selected for advanced energy-efficient construction projects because it helps manufacturers achieve stringent insulation requirements, reduce energy consumption, and improve long-term building performance.
Insulation and heat preservation field: Wannate PM-700 is used for producing polyurethane hard foam and PIR hard foam, which are widely applied in building exterior insulation, cold storage insulation, cold chain transportation insulation, pipeline insulation, etc., and are the core components of efficient and energy-saving insulation materials.
-Industrial and engineering applications of Wannate PM-700:
*Adhesives and sealants:
Wannate PM-700 is used for manufacturing high-strength structural adhesives and composite board adhesives, applied in the automotive, construction, furniture and other industries.
*Elastomers and coatings:
Producing wear-resistant polyurethane elastomers and anti-corrosion coatings, Wannate PM-700 is used in mines, machinery, ships and other fields.
*Other products:
Wannate PM-700 can also be used to manufacture polyurethane foam plastics, artificial leather, elastic fibers, etc.
-Core raw material for polyurethane materials uses of Wannate PM-700:
Wannate PM-700 is the key basic chemical raw material for synthesizing various polyurethane products.
By reacting with polyols, different performance polyurethane materials can be produced.
CHARACTERISTICS of WANNATE PM-700:
Wannate PM-700 is characterized by its exceptionally high viscosity and elevated functionality compared with many conventional polymeric MDI products.
These characteristics enable the formation of highly crosslinked polyurethane and polyisocyanurate networks with superior structural integrity.
Wannate PM-700 exhibits excellent reactivity with polyether polyols and polyester polyols, resulting in efficient processing and rapid foam formation.
Wannate PM-700's high functionality promotes increased crosslink density, which improves rigidity, mechanical strength, thermal stability, and dimensional stability in finished products.
Wannate PM-700 produces rigid foam structures with highly uniform closed-cell morphology.
The resulting foams demonstrate excellent insulation performance, low thermal conductivity, and outstanding resistance to mechanical deformation.
Wannate PM-700 provides excellent compatibility with catalysts, flame retardants, surfactants, blowing agents, and other polyurethane formulation additives.
Wannate PM-700 is particularly valued in applications requiring superior load-bearing performance and long-term durability.
BENEFITS of WANNATE PM-700:
Wannate PM-700 offers significant advantages in rigid polyurethane and PIR foam manufacturing.
Wannate PM-700's high functionality allows the development of highly crosslinked polymer structures that improve compressive strength and dimensional stability.
Wannate PM-700 contributes to superior thermal insulation performance by supporting the formation of fine, uniform closed-cell foam structures.
These cells reduce heat transfer and improve energy efficiency in insulation systems.
Wannate PM-700 improves foam resistance to deformation under mechanical loads, making it suitable for demanding structural insulation applications.
Wannate PM-700 also enhances long-term aging performance and helps maintain insulation efficiency throughout the service life of the product.
Wannate PM-700's excellent adhesion properties contribute to stronger bonding between foam cores and metal facings, paper facings, fiberglass reinforcements, and composite panel materials.
Wannate PM-700 supports efficient manufacturing by providing rapid reaction kinetics and reliable processing characteristics in both continuous and discontinuous production systems.
The resulting polyurethane and PIR products exhibit improved moisture resistance, reduced thermal aging, enhanced structural strength, and excellent durability under challenging environmental conditions.
PHYSICAL and CHEMICAL PROPERTIES of WANNATE PM-700:
Appearance: Dark Brown Liquid
Functionality: 3.0 – 3.1
Specific gravity at 25℃(77℉): 1.22-1.25
Viscosity at 25℃(77℉): 650-750 mPa.S
NCO, Wt: 29.0-32.0%
Acidity (HCL): ≤0.05%
Hydrolyzable Chlorine: ≤0.2%
Product Name: WANNATE® PM-700
Chemical Type: Polymeric MDI (pMDI)
Chemical Family: Aromatic Polyisocyanate
Main Chemical 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
Physical State: Liquid
Appearance: Dark brown liquid
CAS Number: 9016-87-9
EC Number: 618-498-9
Molecular Formula: Not uniquely defined (polymeric mixture)
Molecular Weight: Not uniquely defined
Appearance: Dark brown liquid
Physical State: Liquid
Color: Dark brown
Odor: Slight aromatic isocyanate odor
Density (25°C): Approximately 1.23–1.25 g/cm³
Viscosity (25°C): Approximately 700–900 mPa·s
NCO Content: Approximately 30–31%
Average Functionality: Approximately 3.0–3.2
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 many aromatic and polar organic solvents
Freezing Point: Usually below room temperature
Shelf Life: Typically 6–12 months under recommended storage conditions
Storage Stability: Good when protected from moisture
Thermal Conductivity Contribution: Excellent when used in rigid foam systems
Chemical Family: Aromatic Polyisocyanate
Functional Groups: Isocyanate (-NCO)
Chemical Reactivity: High
Crosslinking Ability: Excellent
Polymer Formation: Rapid reaction with polyols
Moisture Sensitivity: High
Water Reactivity: Produces polyurea structures and carbon dioxide
Thermal Stability: Good under normal processing conditions
Hydrolyzable Chlorine Content: Typically low
Acidity (as HCl): Very low
Compatibility: Compatible with most polyurethane polyol formulations
Chemical Resistance After Cure: Excellent
Dimensional Stability: Excellent after curing
Aging Resistance: Good long-term performance
Adhesion Properties: Excellent adhesion to many substrates
FIRST AID MEASURES of WANNATE PM-700:
-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-700:
-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-700:
-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-700:
-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-700:
-Conditions for safe storage, including any incompatibilities:
*Storage conditions:
Tightly closed.
Dry.
STABILITY and REACTIVITY of WANNATE PM-700:
-Chemical stability:
The product is chemically stable under standard ambient conditions (room temperature).
-Possibility of hazardous reactions:
No data available
