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WANNATE 3T3250 is a modified TDI-based isocyanate used in polyurethane manufacturing.
WANNATE 3T3250 provides controlled reactivity and stable processing behavior.
WANNATE 3T3250 is widely used in flexible foam and elastomer applications.
Synonyms: WANNATE 3T3250, Modified TDI system, TDI-based isocyanate blend, Polyurethane isocyanate component, Wanhua TDI derivative, PU raw material (TDI type), Flexible foam isocyanate, Industrial TDI blend, Reactive isocyanate mixture, TDI formulation for foams and elastomers
WANNATE 3T3250 is a raw material that stands out with its low viscosity and good flexibility properties.
WANNATE 3T3250 is a modified toluene diisocyanate (TDI)-based product.
WANNATE 3T3250 is engineered to provide controlled reactivity, improved processing stability, and optimized performance in polyurethane systems.
WANNATE 3T3250 is typically supplied as a light yellow liquid and is suitable for large-scale industrial applications.
WANNATE 3T3250 is a polyester -based, TDI terminated urethane prepolymer that is solid at room temperature.
When cured with MOCA or DMTDA, this high performance material yields outstanding properities.
WANNATE 3T3250 elastomers are characterized by:
Excellent flex life
Excellent abrasion resistance
Good resistant to oils
Excellent tensile strength
Uses of WANNATE 3T3250:
WANNATE 3T3250 is mainly used in the production of flexible polyurethane foams, coatings, adhesives, and sealants.
WANNATE 3T3250 is particularly suitable for applications requiring high elasticity, resilience, and consistent foam structure.
WANNATE 3T3250 is widely applied in furniture, automotive seating, bedding materials, and industrial polyurethane products.
Stability and Reactivity of WANNATE 3T3250:
Chemical stability:
Stable under dry, controlled conditions.
Reactivity:
Reacts readily 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 vapors may be generated.
Handling and Storage of WANNATE 3T3250:
Handling:
Avoid inhalation.
Avoid contact with skin and eyes.
Use appropriate personal protective equipment (PPE).
Storage:
Store in a cool, dry, well-ventilated area.
Storage conditions:
Keep container tightly closed.
Protect from moisture.
First Aid Measures of WANNATE 3T3250:
Inhalation:
Move to fresh air immediately.
Skin contact:
Wash thoroughly with soap and water.
Eye contact:
Rinse with water for at least 15 minutes.
Ingestion:
Seek immediate medical attention.
Firefighting Measures of WANNATE 3T3250:
Extinguishing media:
Foam.
Dry chemical.
Carbon dioxide (CO₂).
Hazards:
Toxic fumes may form during combustion.
Protection:
Use full protective equipment.
Use self-contained breathing apparatus.
Accidental Release Measures of WANNATE 3T3250:
Personal precautions:
Wear protective equipment.
Environmental precautions:
Prevent release into drains.
Cleanup:
Absorb with inert material.
Neutralize carefully.
Exposure Controls / Personal Protection of WANNATE 3T3250:
Respiratory protection:
Use appropriate respirator if needed.
Hand protection:
Chemical-resistant gloves.
Eye protection:
Safety goggles.
Skin protection:
Protective clothing.
Identifiers of WANNATE 3T3250:
Chemical Type: Modified TDI
CAS Number: Mixture
EC Number: Not specifically assigned
Properties of WANNATE 3T3250:
Appearance: Light yellow liquid
Odor: Characteristic isocyanate odor
Density: ~1.20–1.25 g/cm³
Viscosity: Low to medium
Solubility: Reacts with water; soluble in organic solvents
Reactivity: Highly reactive with polyols, amines, and moisture
Recommended Meltdown Procedure: 70 °C，10-12 hrs -
WANNATE 3T3250, pph: 100 100
MOCA level, pph: 14.3
DMTDA level, pph: 11.5
WANNATE temperature, °C: 70-80 65
Curative Temperature，°C: 110-120 25-30
Mold Temperature，°C: 90-100
Pot Life (400 g scale), Mins: 4-6 3-4
Demold Time, Mins: 30-40 40-50
Postcure, Hrs./°C: 16/100
