WANNATE 3W6276

WANNATE 3W6276 is a premium PTMEG-based TDI prepolymer specifically formulated for elastomers requiring high rebound and excellent shock absorption properties.
WANNATE 3W6276's polyether structure offers superior resistance to hydrolysis and microbial attack, ensuring long-term durability in wet or submerged industrial environments.
WANNATE 3W6276 is optimized for applications in the 75A to 85A Shore range, providing a tough yet flexible material for high-performance rollers and dampening components.

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

WANNATE 3W6276 is a TDI PTMEG ether prepolymer that provides a hardness of 62 ShD with MOCA and 57 ShD with DMTDA (E 300).
WANNATE 3W6276 stands out as a raw material with its low viscosity, pot life of up to 4 minutes, and good flexibility properties.

WANNATE 3W6276 is a high-performance, polyether-based TDI prepolymer designed for casting polyurethane elastomers that require a balance of extreme toughness and high elasticity.
Utilizing a high-quality PTMEG backbone, WANNATE 3W6276 provides excellent hydrolysis resistance and retains its mechanical properties in low-temperature environments.
When cured with MOCA, WANNATE 3W6276 typically produces elastomers in the 75A to 85A Shore range, making it a preferred choice for applications where shock absorption and high rebound are as critical as abrasion resistance.

WANNATE 3W6276 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 3W6276 elastomers are characterized by:
Excellent flex life
Excellent abrasion resistance
Good resistant to water
Excellent resilience

Uses of WANNATE 3W6276:
WANNATE 3W6276 is a high-performance PTMEG-based TDI prepolymer specifically engineered for applications requiring a softer elastomer profile with exceptional dynamic properties.
Due to its superior hydrolysis resistance and high energy return, WANNATE 3W6276 is widely used in the production of industrial dampening components, shock-absorbing pads, and flexible couplings that must endure repetitive mechanical stress in wet or humid conditions.
WANNATE 3W6276 is also a preferred material for manufacturing technical rollers in the printing and textile sectors, as well as high-rebound wheels and specialized sporting equipment, where maintaining a consistent 75A to 85A Shore hardness and low-temperature flexibility is essential for performance and longevity.

Stability and Reactivity of WANNATE 3W6276:

Stability:
Chemically stable when kept dry and cool.

Avoid:
Temperatures exceeding 50°C.
Any moisture ingress.

Hazard:
Reacts exothermically with water to produce CO₂.
Which can rupture sealed drums.

Handling and Storage of WANNATE 3W6276:

Storage:
Store in a well-ventilated area under a nitrogen blanket.

Temperature:
Maintain between 20°C–35°C.
Avoid localized overheating if melting is required.

Handling:
Use local exhaust to manage TDI vapors.
Use non-sparking equipment.

First Aid Measures of WANNATE 3W6276:

Inhalation:
Move to fresh air.
Seek medical aid for respiratory distress.

Skin:
Wash immediately with soap and water.
Or specialized polyglycol cleanser.

Eyes:
Flush with lukewarm water for 15+ minutes.
See an ophthalmologist.

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

Firefighting Measures of WANNATE 3W6276:

Extinguishers:
Use dry chemical.
CO₂.
Alcohol-resistant foam.

Hazards:
Fire produces toxic gases like nitrogen oxides (NOₓ).
HCN.

Action:
Firefighters must use SCBA.
Cool containers with water spray.

Accidental Release Measures of WANNATE 3W6276:

Containment:
Evacuate area.
Absorb spill with sand.
Inert earth.

Decontamination:
Treat with 90% water.
8% ammonia.
2% detergent solution.

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

Exposure Controls / Personal Protective of WANNATE 3W6276:

Respiratory:
Use organic vapor respirators.
Or air-supplied masks in confined spaces.

Eyes/Hands:
Wear chemical-resistant (Nitrile/Butyl) gloves.
Full-face shield.

Body:
Use chemical-resistant coveralls.
Ensure zero skin contact.

Identifiers of WANNATE 3W6276:
Product name: WANNATE 3W6276
Curing agents: MOCA or DMTDA

Properties of WANNATE 3W6276:
NCO content: 7.4–7.8%
Appearance at 25°C: Solid, free from contamination
Brookfield viscosity at 80°C: 200–600 mPa·s
Hardness with MOCA: Approximately 62 Shore D
Hardness with DMTDA: Approximately 57 Shore D
Packaging: 22 kg and 220 kg

Hardness/Shore D: 62±2
100% Modulus/MPa: 23.6
300% Modulus/MPa: 42.3
Tensile Strength/MPa: 50.8
Elongation at Break/%: 280
Tear Strength, Die C pli/( KN/m): 136
Rebound(23°C)/%: 40
Din abrasion/mm3: 63

Specifications of WANNATE 3W6276:
NCO, % 7.4-7.8
Appearance @ 25°C: Solid free from contamination
Brookfield Viscosity@80°C，mPa·s: 200-600