WANNATE 3B766A

WANNATE 3B766A is a modified MDI-based isocyanate used in polyurethane production.
WANNATE 3B766A provides balanced reactivity, good processing performance, and strong mechanical properties.
WANNATE 3B766A is widely applied in foams, coatings, and elastomer systems.

Synonyms: WANNATE 3B766A, Modified MDI system, Polymeric MDI blend, MDI-based isocyanate, Polyurethane isocyanate component, Wanhua MDI derivative, PU raw material isocyanate, Industrial MDI blend, Reactive isocyanate mixture, MDI formulation for foams and elastomers

WANNATE 3B766A is a modified diphenylmethane diisocyanate (MDI)-based product.
WANNATE 3B766A is designed for use in polyurethane systems where controlled reactivity, good flow properties, and mechanical performance are required.

WANNATE 3B766A typically appears as a brownish liquid and offers improved processing characteristics compared to pure MDI.
WANNATE 3B766A is a raw material that stands out with its low viscosity, pot life of up to 10 minutes, and good flexibility properties.

Uses of WANNATE 3B766A:
WANNATE 3B766A is mainly used in the production of polyurethane foams, elastomers, coatings, adhesives, and sealants.
WANNATE 3B766A is particularly suitable for applications requiring good mechanical strength, dimensional stability, and durability.
WANNATE 3B766A is also applied in construction materials, insulation systems, and industrial components.

Stability and Reactivity of WANNATE 3B766A:

Chemical stability:
Stable under dry, controlled conditions.

Reactivity:
Reacts with water.
Reacts with polyols.
Reacts with amines.

Conditions to avoid:
Moisture.
Heat.
Contamination.

Incompatible materials:
Water.
Alcohols.
Strong bases.

Hazardous decomposition products:
Carbon dioxide (CO₂) may form under fire conditions.
Nitrogen oxides (NOₓ) may form under fire conditions.
Toxic fumes may be generated.

Handling and Storage of WANNATE 3B766A:

Handling:
Avoid inhalation.
Avoid skin contact.
Use personal protective equipment (PPE).

Storage:
Store in a dry, well-ventilated area.

Storage conditions:
Protect from moisture.
Keep containers tightly closed.

First Aid Measures of WANNATE 3B766A:

Inhalation:
Move to fresh air immediately.

Skin contact:
Wash with soap and water.

Eye contact:
Rinse with water for at least 15 minutes.

Ingestion:
Seek immediate medical attention.

Firefighting Measures of WANNATE 3B766A:

Extinguishing media:
Foam.
Dry chemical.
Carbon dioxide (CO₂).

Hazards:
Toxic gases may form during combustion.

Protection:
Use full protective equipment.
Use self-contained breathing apparatus.

Accidental Release Measures of WANNATE 3B766A:

Personal precautions:
Wear protective equipment.

Environmental precautions:
Prevent release into drains.

Cleanup:
Absorb with inert material.
Neutralize cautiously.

Exposure Controls / Personal Protection of WANNATE 3B766A:

Respiratory protection:
Use appropriate respirator if needed.

Hand protection:
Chemical-resistant gloves.

Eye protection:
Safety goggles.

Skin protection:
Protective clothing.

Identifiers of WANNATE 3B766A:
Chemical Type: Modified MDI
CAS Number: Mixture
EC Number: Not specifically assigned

Properties of WANNATE 3B766A:
Appearance: Brown liquid
Odor: Mild aromatic odor
Viscosity: Medium
Density: ~1.20–1.25 g/cm³
Solubility: Reacts with water; soluble in organic solvents
Reactivity: Highly reactive with polyols, amines, and water