WANNATE PM-400

WANNATE PM-400 is a polymeric MDI used in rigid polyurethane foam production.
WANNATE PM-400 provides high reactivity and enhanced mechanical performance.
WANNATE PM-400 is widely used in insulation, construction, and industrial applications.

CAS number: 9016-87-9
EC number: 618-498-9

Synonyms: Polymeric MDI, pMDI, MDI polymer, Diphenylmethane diisocyanate polymer, Isocyanate resin, Polyurethane isocyanate, Aromatic isocyanate, MDI-based resin, Rigid foam isocyanate, Industrial MDI

WANNATE PM-400 is a polymeric diphenylmethane diisocyanate (pMDI) developed for high-performance polyurethane systems requiring enhanced reactivity, crosslink density, and mechanical strength.
WANNATE PM-400 is supplied as a brown liquid and is commonly used in rigid foam and structural applications.
WANNATE PM-400 enables the production of durable, dimensionally stable materials with improved thermal and mechanical properties.

WANNATE PM-400 is high functionality, high viscosity isocyanate.
WANNATE PM-400 can be used the production of rigid PU foam and polyisocyanurate foams; particularly fit for continuous production of laminated polyisocyanurate slab stock foams. 

WANNATE PM-400 can improve cell homogeneity and dimensional stability of foams and the compressive strength vertical to the foaming direction.
The flame retardancy of polyurethane and polyisocyanurate foams also shows some improvement. 

WANNATE PM-400 is a polymethylene polyphenylene isocyanate.
WANNATE PM-400 exhibits high functionality and high viscosity.

WANNATE PM-400 can improve cell homogeneity, dimensional stability of foams and compressive strength vertical to foaming direction.
WANNATE PM-400 can be used in the production of rigid PU foams and polyisocyanurate foams.
WANNATE PM-400 is particularly suitable for continuous production of laminated polyisocyanurate sandwich panels.

WANNATE PM-400 can be used in rigid polyurethane foam and polyisocyanurate foam systems.
WANNATE PM-400 is particularly suitable for the production of continuously laminated polyisocyanurate large sheets.

Uses of WANNATE PM-400:
WANNATE PM-400 is widely used in rigid polyurethane foam systems where high structural strength and thermal insulation performance are required.
WANNATE PM-400 supports applications such as insulation panels, spray foam systems, and composite materials by providing strong crosslinking and stable foam structures, making it suitable for demanding industrial and construction applications.

Stability and Reactivity of WANNATE PM-400:

Chemical stability:
Stable under dry, controlled conditions.

Reactivity:
Reacts with water.
Alcohols.
Amines.
And polyols.

Conditions to avoid:
Moisture.
Excessive heat.
And contamination.

Incompatible materials:
Water.
Strong bases.
Alcohols (uncontrolled reaction).

Hazardous decomposition products:
Carbon dioxide.
Nitrogen oxides.
And other toxic fumes under fire conditions.

Handling and Storage of WANNATE PM-400:

Handling:
Avoid inhalation.
And contact with skin and eyes.
Ensure proper ventilation.

Storage:
Store in tightly closed containers.
In a cool, dry, well-ventilated area.

Protection:
Protect from moisture.
And direct sunlight.

First Aid Measures of WANNATE PM-400:

Inhalation:
Move to fresh air immediately.
And seek medical attention.

Skin contact:
Remove contaminated clothing.
And wash thoroughly with soap and water.

Eye contact:
Rinse cautiously with water for at least 15 minutes.
And seek medical attention.

Ingestion:
Do not induce vomiting.
Seek immediate medical assistance.

Firefighting Measures of WANNATE PM-400:

Extinguishing media:
Foam.
Dry chemical.
Carbon dioxide.
Water spray.

Hazards:
Releases toxic fumes when heated.
Or burned.

Protective equipment:
Use self-contained breathing apparatus.
And full protective gear.

Accidental Release Measures of WANNATE PM-400:

Personal precautions:
Evacuate area.
And use protective equipment.

Environmental precautions:
Prevent entry into drains.
And waterways.

Cleanup methods:
Absorb with inert material.
And neutralize with appropriate decontamination solution.

Exposure Controls/Personal Protection of WANNATE PM-400:

Respiratory protection:
Use approved respirator when exposure limits may be exceeded.

Eye protection:
Chemical safety goggles.
Or face shield.

Hand protection:
Chemical-resistant gloves (e.g., nitrile).

Skin protection:
Protective clothing recommended.

Hygiene measures:
Avoid exposure.
And wash thoroughly after handling.

Identifiers of WANNATE PM-400:
Chemical name: Polymeric diphenylmethane diisocyanate
Common name: pMDI
CAS number: 9016-87-9
EC number: 618-498-9

Properties of WANNATE PM-400:
Appearance: Brown liquid
Odor: Slightly pungent
Viscosity (25°C): ~200 – 350 mPa·s
Density (25°C): ~1.22 – 1.25 g/cm³
NCO content: Typically 30 – 32%

Appearance: Brown liquid
NCO%: 32
Viscosity: 300
Gravity (25 ℃): 1.23
Temperature of storage (25 ℃): 15-25
Shelf life (months): 8-12