WANNATE 3T6252

WANNATE 3T6252 is engineered for delayed reactivity and wider processing tolerance.
WANNATE 3T6252 enables better control in large-scale and thick foam applications.
WANNATE 3T6252 improves structural uniformity and reduces internal defects.

Synonyms: WANNATE 3T6252, Delayed-reactivity TDI system, Extended processing isocyanate, Slabstock foam isocyanate, Polyurethane reactive component, Wanhua modified TDI, Controlled kinetics isocyanate, Flexible foam formulation TDI, Industrial PU component, Low-initiation reactivity isocyanate

WANNATE 3T6252 is a raw material that stands out with its low viscosity, pot life of up to 10 minutes, and good flexibility properties.
WANNATE 3T6252 is a modified TDI-based isocyanate, designed to deliver a more extended cream time and improved processing window in polyurethane formulations.

WANNATE 3T6252 enables better control during mixing and expansion, especially in systems where timing and uniformity are critical.
The formulation supports stable foam growth and reduces the risk of processing defects.

WANNATE 3T6252 is a PTMG -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 3T6252 elastomers are characterized by:
Excellent flex life
Excellent abrasion resistance
Good resistant to water
Excellent resilience

Uses of WANNATE 3T6252:
WANNATE 3T6252 is commonly selected for applications where processing latitude is critical, such as slabstock foam production and large molded parts.
WANNATE 3T6252 helps maintain structural uniformity in thick foam sections and minimizes risks like void formation or uneven density distribution.
WANNATE 3T6252 is frequently used in mattress cores, cushioning systems, and technical foam components requiring consistency across the entire volume.

Stability and Reactivity of WANNATE 3T6252:

Chemical stability:
Stable under dry and controlled storage.

Reactivity:
Reacts with water.
Reacts with active hydrogen compounds.

Conditions to avoid:
Moisture exposure.
Overheating.
Contamination.

Incompatible materials:
Water.
Alcohols.
Amines under uncontrolled conditions.

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

Handling and Storage of WANNATE 3T6252:

Handling:
Use in well-ventilated areas.
Avoid vapor exposure.

Storage:
Keep in tightly sealed containers away from humidity.

Storage conditions:
Maintain stable temperature.
Avoid pressure build-up.

First Aid Measures of WANNATE 3T6252:

Inhalation:
Remove to fresh air.
Monitor breathing.

Skin contact:
Clean immediately with soap and water.

Eye contact:
Flush thoroughly with water.
Seek medical help.

Ingestion:
Immediate medical attention required.

Firefighting Measures of WANNATE 3T6252:

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

Hazards:
Release of toxic gases under high temperature.

Protection:
Use full protective gear.
Use breathing apparatus.

Accidental Release Measures of WANNATE 3T6252:

Personal precautions:
Isolate area.
Ensure ventilation.

Environmental precautions:
Prevent spread.
Prevent contact with water.

Cleanup:
Absorb with inert material.
Dispose safely.

Exposure Controls / Personal Protection of WANNATE 3T6252:

Respiratory protection:
Use appropriate respirator if needed.

Hand protection:
Chemical-resistant gloves.

Eye protection:
Sealed safety goggles.

Skin protection:
Full protective clothing.

Identifiers of WANNATE 3T6252:
Chemical Type: Modified TDI system
CAS Number: Mixture
EC Number: Not assigned

Properties of WANNATE 3T6252:
Appearance: Pale yellow liquid
Odor: Typical isocyanate odor
Density: ~1.22 g/cm³
Viscosity: Low to moderate
Reactivity profile: Slower initiation with controlled progression
Processing behavior: High tolerance to mixing variations

Hardness/Shore A: 93±2 93±2
100% Modulus/MPa: 13.2 11.2
300% Modulus/MPa: 32.4 27.3
Tensile Strength/MPa: 40.6 39.4
Elongation at Break/%: 420
Tear Strength, Die C pli/( KN/m): 102
Rebound(23°C)/%: 48
Prepolymer Meltdown Procedure: 60 °C，10-12 hrs
WANNATE 3T6252, pph: 100
MOCA level, pph: 14.9
DMTDA level, pph: 11.9
WANNATE temperature, °C: 60-70
Curative Temperature，°C: 110-120
Mold Temperature，°C: 90-100
Pot Life (400 g scale), Mins: 6-8
Demold Time, Mins: 30-40
Postcure, Hrs./°C: 16/100

Specifications of WANNATE 3T6252:
NCO, %: 5.0-5.4
Appearance @ 25°C: Solid free from contamination
Brookfield Viscosity@80°C，mPa·s: 400-800