WANNATE 3W6290

WANNATE 3W6290 is a high-performance PTMEG-based TDI prepolymer designed for elastomers requiring a balance of high toughness and dynamic resilience.
WANNATE 3W6290's polyether structure ensures superior resistance to hydrolysis and microbial attack, making it ideal for demanding maritime and industrial environments.
WANNATE 3W6290 is optimized for high-load applications, providing excellent abrasion resistance and low heat build-up during continuous mechanical use.

Synonyms: Polyurethane prepolymer, TDI-based polyurethane prepolymer, PTMEG-based prepolymer, Isocyanate-terminated polyurethane, Reactive urethane prepolymer, Polyurethane elastomer precursor, TDI/PTMEG elastomer system, Cast polyurethane intermediate, Urethane prepolymer resin, Industrial polyurethane intermediate, Pre-reacted polyurethane compound, Isocyanate functional polymer, Elastomeric urethane base, Thermoset polyurethane intermediate, Polyurethane processing prepolymer

WANNATE 3W6290 is a TDI PTMEG Ether prepolymer that provides a hardness of 70 ShD with MOCA.
WANNATE 3W6290 stands out as a raw material with its low viscosity, pot life of up to 3 minutes, and good flexibility properties.

WANNATE 3W6290 is a premium PTMEG-based TDI prepolymer designed for applications that demand high elasticity and exceptional shock absorption.
WANNATE 3W6290 is characterized by its superior resistance to environmental degradation and its ability to maintain flexible properties in low-temperature conditions.
When cured with MOCA, WANNATE 3W6290 typically yields an elastomer in the 85A to 95A Shore range (depending on stoichiometry), offering a tough, high-rebound material with consistent processing stability and excellent abrasion resistance.

Uses of WANNATE 3W6290:
WANNATE 3W6290 is primarily utilized in the production of high-performance industrial components that require extreme durability and high dynamic resilience.
Due to its excellent hydrolysis resistance, WANNATE 3W6290 is a preferred choice for manufacturing pipeline pigs, subsea seals, and rollers used in the textile and paper industries where moisture exposure is constant.
Furthermore, WANNATE 3W6290's high load-bearing capacity and low heat build-up make it ideal for heavy-duty wheels, high-speed rollers, and vibration-dampening pads that must withstand repetitive mechanical stress.

Stability and Reactivity of WANNATE 3W6290:

Stability:
Stable under dry, cool conditions.

Avoid:
Temperatures above 50°C.
Moisture contact.

Hazard:
Reaction with water releases CO₂.
Potentially bursting sealed containers.

Handling and Storage of WANNATE 3W6290:

Storage:
Store under a nitrogen blanket in a cool, dry area.

Temperature:
Maintain between 20°C–35°C.

Handling:
Use local exhaust ventilation.
Use non-sparking tools.

First Aid Measures of WANNATE 3W6290:

Inhalation:
Move to fresh air.
Seek medical help immediately.

Skin:
Wash with soap and water.
Or polyglycol-based cleanser.

Eyes:
Flush with water for 15+ minutes.
See a specialist.

Ingestion:
Do not induce vomiting.
Seek medical aid.

Firefighting Measures of WANNATE 3W6290:

Extinguishers:
CO₂.
Dry chemical.
Alcohol-resistant foam.

Hazards:
Fire releases toxic fumes like NOₓ.
HCN.
TDI.

Action:
Use SCBA.
Cool containers with water spray.

Accidental Release Measures of WANNATE 3W6290:

Containment:
Absorb spill with sand.
Earth.
Vermiculite.

Decontamination:
Use 90% water.
8% ammonia.
2% detergent.

Disposal:
Leave in open containers for 48 hours.
Before sealing.

Exposure Controls / Personal Protective of WANNATE 3W6290:

Respiratory:
Use organic vapor or air-supplied masks if heating.

Eyes/Hands:
Wear Nitrile gloves.
Full-face shield.

Body:
Wear chemical-resistant coveralls.
To prevent skin contact.

Identifiers of WANNATE 3W6290:
Product name: WANNATE 3W6290
Curing agents: MOCA, DMTDA

Properties of WANNATE 3W6290:
NCO content: ~6.5–7.5% (typical range for WANNATE 3W6290 class)
Appearance at 25°C: Solid, contamination-free
Brookfield viscosity at 80°C: Medium viscosity range (process-friendly)
Mechanical profile: Balanced hardness and elongation
Processing behavior: Good flow and mold filling