Quick Search
Wannate 3T3250 is used for polyurethane rollers requiring excellent wear resistance and smooth operation.
Wannate 3T3250 is employed in conveyor system components exposed to friction and abrasion.
Wannate 3T3250 is used in mining equipment components subjected to severe mechanical wear.
CAS Number: Not publicly disclosed
EC Number: Not publicly disclosed
Molecular Formula: Proprietary mixture
Molecular Weight: Proprietary mixture
SYNONYMS:
WANNATE® 3T3250, Polyester-Based TDI Prepolymer, TDI Ester Prepolymer, Polyester Polyurethane Prepolymer, Toluene Diisocyanate-Terminated Polyester Prepolymer, Cast Polyurethane Elastomer Prepolymer, Aromatic Polyurethane Prepolymer
Wannate 3T3250 is a polyester-based TDI-terminated polyurethane prepolymer designed for the manufacture of high-performance cast polyurethane elastomers.
Wannate 3T3250 is known for its relatively low viscosity, excellent flexibility, good processing characteristics, and balanced mechanical properties.
Wannate 3T3250 is typically cured using MOCA (4,4'-Methylenebis(2-chloroaniline)) or DMTDA curing systems to produce durable elastomeric components for industrial applications.
According to supplier information, Wannate 3T3250 typically achieves approximately 95 Shore A hardness with MOCA and approximately 93 Shore A hardness with DMTDA
Wannate 3T3250 is a proprietary polyurethane prepolymer mixture rather than a single pure chemical substance
Wannate 3T3250 is a polyurethane prepolymer developed for the production of high-performance cast polyurethane elastomers.
Wannate 3T3250 is designed to deliver an excellent combination of mechanical strength, toughness, abrasion resistance, and processing reliability.
Wannate 3T3250 contains reactive isocyanate groups that react with suitable curing agents to form durable thermoset polyurethane networks.
The resulting elastomers exhibit excellent wear resistance, tear strength, load-bearing capability, and long-term dimensional stability.
Wannate 3T3250 is commonly used in the manufacture of industrial wheels, rollers, screens, liners, seals, and other engineering components exposed to demanding service conditions.
Wannate 3T3250 provides reliable performance under repeated impact, dynamic loading, and abrasive operating environments.
Polyurethane elastomers based on Wannate 3T3250 are valued for their durability, resilience, and resistance to mechanical fatigue.
Wannate 3T3250 is widely utilized in industrial applications requiring long service life, consistent quality, and excellent overall mechanical performance.
USES and APPLICATIONS of WANNATE 3T3250:
Wannate 3T3250 is widely used for manufacturing cast polyurethane elastomers requiring a combination of flexibility and durability.
Wannate 3T3250 is used in industrial wheels that operate under continuous loading conditions.
Wannate 3T3250 is used for polyurethane rollers requiring excellent wear resistance and smooth operation.
Wannate 3T3250 is employed in conveyor system components exposed to friction and abrasion.
Wannate 3T3250 is used in mining equipment components subjected to severe mechanical wear.
Wannate 3T3250 is suitable for scraper blades and wear pads used in bulk material handling systems.
Wannate 3T3250 is applied in vibration damping elements where elasticity and resilience are important.
Wannate 3T3250 is used for shock-absorbing industrial parts that must withstand repeated impact forces.
Wannate 3T3250 is suitable for bushings and couplings requiring flexibility and mechanical strength.
Wannate 3T3250 is utilized in material handling equipment such as forklift wheels and guide rollers.
Wannate 3T3250 is used in industrial seals and elastomeric components exposed to oils and lubricants.
Wannate 3T3250 is suitable for machine parts requiring long-term durability and resistance to dynamic stress.
Wannate 3T3250 is used in cast polyurethane products where lower processing viscosity is advantageous.
Wannate 3T3250 is commonly used in: Mining industry, Quarry operations, Aggregate processing plants, Cement manufacturing facilities, Steel processing plant, Material handling systems, Logistics and warehousing equipment, Industrial transportation systems, Mechanical engineering applications, Heavy equipment manufacturing, Polyurethane casting operations, Typical Finished Products.
Wannate 3T3250 may be used to manufacture: Industrial drive wheels, Conveyor rollers, Support rollers, Forklift wheels, Press rollers, Feed rollers, Guide rollers, Mining screen components, Wear plates, Scraper blades, Impact pads, Elastomer couplings, Bushings, Shock absorbers, Industrial seals, Protective liners, Vibration damping elements, Polyurethane machine components.
PHYSICAL AND CHEMICAL PROPERTIES of WANNATE 3T3250:
PHYSICAL PROPERTIES of WANNATE 3T3250:
Solid at room temperature.
Low viscosity during processing.
Good melt flow characteristics.
Good mold filling capability.
High elasticity.
Excellent resilience.
Good dimensional stability.
High abrasion resistance.
Good tear resistance.
Excellent flexibility.
High wear resistance.
Good impact absorption.
Excellent surface finish after casting.
CHEMICAL PROPERTIES of WANNATE 3T3250:
Polyester-based polyurethane prepolymer.
TDI-terminated chemistry.
Aromatic polyurethane system.
Contains reactive isocyanate groups.
Moisture sensitive.
Reacts with water, amines, and polyols.
Forms highly crosslinked thermoset elastomers.
Good oil resistance.
High chemical stability after curing.
Excellent hydrocarbon resistance.
Good resistance to lubricants and industrial oils.
Strong intermolecular bonding after curing.
CHARACTERISTICS of WANNATE 3T3250:
Wannate 3T3250 is characterized by an excellent balance between flexibility and mechanical strength.
The polyester-based structure of Wannate 3T3250 contributes to superior abrasion resistance and wear performance.
The relatively low viscosity improves processing efficiency and allows easier casting of large or complex polyurethane parts.
The cured elastomers exhibit excellent resilience and elastic recovery after deformation.
Wannate 3T3250 is capable of maintaining performance under repeated loading and unloading cycles.
Wannate 3T3250 is designed to produce elastomers with good toughness while retaining flexibility.
The aromatic polyurethane structure provides strong intermolecular interactions that contribute to mechanical durability.
Wannate 3T3250 is suitable for applications where dynamic stresses and continuous mechanical movement occur.
BENEFITS of WANNATE 3T3250:
Wannate 3T3250 offers excellent processing characteristics due to its lower viscosity compared with many conventional polyester prepolymers.
Wannate 3T3250 provides improved mold filling and reduced risk of void formation during casting.
Wannate 3T3250's flexibility allows production of elastomer components that can absorb shock and vibration effectively.
The cured elastomers demonstrate excellent abrasion resistance, helping reduce wear-related failures.
Wannate 3T3250 provides long service life in demanding industrial environments.
Wannate 3T3250's good resilience helps maintain mechanical performance after repeated deformation.
Wannate 3T3250 combines toughness, elasticity, and durability in a single polyurethane system.
The resulting elastomers often require less maintenance and replacement than many conventional rubber materials.
ADDITIONAL TECHNICAL INFORMATION of WANNATE 3T3250:
Compared with many higher-viscosity polyester TDI prepolymers, Wannate 3T3250 provides improved processing efficiency and easier handling.
Wannate 3T3250 is often selected when flexibility and resilience are prioritized while maintaining excellent abrasion resistance.
Its balance of toughness and elasticity makes Wannate 3T3250 particularly useful for dynamic applications involving vibration, repeated impacts, and cyclic loading.
The cured elastomers exhibit long-term durability and maintain mechanical performance under demanding industrial service conditions.
PRODUCT POSITIONING of WANNATE 3T3250:
Wannate 3T3250 is considered a high-performance polyester polyurethane prepolymer designed for cast elastomer systems that require an excellent balance of flexibility, toughness, abrasion resistance, and processability.
Within the Wannate polyester prepolymer family, Wannate 3T3250 is often selected when manufacturers require lower processing viscosity and improved flow characteristics while maintaining strong mechanical performance.
Wannate 3T3250 is especially suitable for the production of medium-to-high hardness elastomers that must withstand continuous mechanical stress, impact loading, and abrasive environments.
STRUCTURE AND TECHNOLOGY of WANNATE 3T3250:
Wannate 3T3250 is based on polyester polyol technology combined with aromatic toluene diisocyanate (TDI) chemistry.
Wannate 3T3250 segments provide excellent wear resistance, cut resistance, and load-bearing capability.
The urethane linkages formed during curing contribute to toughness and elasticity.
The aromatic TDI structure helps generate high mechanical strength and good dynamic performance.
The final cured elastomer consists of a crosslinked three-dimensional polyurethane network that cannot be remelted after curing.
This thermoset structure provides superior dimensional stability compared with many thermoplastic elastomers.
PROCESSING ADVANTAGES of WANNATE 3T3250:
One of the major advantages of Wannate 3T3250 is its favorable processing behavior.
The lower viscosity allows easier mixing with curing agents.
Wannate 3T3250 can flow more efficiently into complex molds.
Lower viscosity can help reduce trapped air and improve casting quality.
Good mold filling characteristics contribute to smoother surfaces and fewer manufacturing defects.
Wannate 3T3250 can be used in both small precision castings and large industrial polyurethane components.
The processing characteristics may contribute to improved production efficiency and reduced cycle times.
DYNAMIC MECHANICAL PERFORMANCE of WANNATE 3T3250:
Elastomers produced from Wannate 3T3250 are particularly suitable for dynamic applications.
Wannate 3T3250 can absorb repeated shock loads without significant structural damage.
Wannate 3T3250 exhibits excellent energy absorption characteristics.
Good rebound resilience allows efficient recovery after deformation.
Wannate 3T3250 maintains flexibility under continuous cyclic loading conditions.
Wannate 3T3250 demonstrates resistance to crack initiation and crack propagation during repeated flexing.
These properties make Wannate 3T3250 suitable for industrial components exposed to vibration and impact.
WEAR AND ABRASION PERFORMANCE of WANNATE 3T3250:
The polyester polyurethane chemistry provides outstanding resistance to abrasive wear.
Wannate 3T3250 can withstand sliding, scraping, rolling, and frictional contact better than many conventional rubber materials.
In many industrial applications, polyurethane elastomers based on polyester prepolymers significantly outlast natural rubber components.
The high abrasion resistance helps reduce maintenance costs and component replacement frequency.
This characteristic is one of the primary reasons for the extensive use of polyurethane elastomers in mining, aggregate processing, and bulk material handling industries.
LOAD-BEARING CAPABILITY of WANNATE 3T3250:
Wannate 3T3250-based elastomers are capable of carrying substantial mechanical loads.
Wannate 3T3250 distributes stress efficiently throughout the polyurethane network.
Wannate 3T3250 resists excessive deformation under compression.
Good compressive strength contributes to long-term dimensional stability.
Wannate 3T3250 maintains performance under continuous operational loading conditions.
These characteristics are important for wheels, rollers, support pads, and heavy-duty industrial components.
RESISTANCE PROPERTIES of WANNATE 3T3250:
The cured elastomer generally exhibits resistance to:
Industrial lubricating oils.
Hydraulic fluids.
Greases.
Many petroleum-based products.
Mechanical wear.
Impact damage.
Repeated flexing.
Compression stress.
Dynamic fatigue.
However, polyester polyurethane systems may be less resistant to long-term hydrolysis than polyether polyurethane systems when continuously exposed to hot water or humid environments.
HARDNESS CHARACTERISTICS of WANNATE 3T3250:
When cured with appropriate diamine curing agents, Wannate 3T3250 typically produces elastomers in the high Shore A hardness range.
This hardness range provides a combination of:
Flexibility.
Toughness.
Load-bearing capability.
Impact resistance.
Abrasion resistance.
Elastic recovery.
The hardness can often be adjusted through formulation and processing modifications.
PERFORMANCE of WANNATE 3T3250 ADVANTAGES COMPARED WITH CONVENTIONAL RUBBER:
Compared with many conventional rubber materials, Wannate 3T3250-based polyurethane elastomers may provide:
Higher abrasion resistance.
Better cut resistance.
Improved tear strength.
Greater load-bearing capability.
Longer service life.
Better dimensional stability.
Superior wear resistance.
Improved mechanical durability.
Better resistance to industrial oils.
Reduced maintenance requirements.
These advantages have made cast polyurethane elastomers one of the most important engineering elastomer materials used in modern industry.
PHYSICAL and CHEMICAL PROPERTIES of WANNATE 3T3250:
Product Name: WANNATE® 3T3250
Chemical Type: Polyester-based TDI-terminated polyurethane prepolymer
CAS Number: Not publicly disclosed
EC Number: Not publicly disclosed
Molecular Formula: Proprietary mixture
Molecular Weight: Proprietary mixture
Polymer Type: Aromatic polyurethane prepolymer
Physical Form: Solid at room temperature
Appearance: Solid material
Physical State: Solid at room temperature
Color: Light amber to brownish solid
Odor: Characteristic isocyanate odor
Polymer Type: Polyester urethane prepolymer
Viscosity: Relatively low viscosity compared with many TDI ester prepolymers
Processing Characteristics: Good flowability and mold filling
Hardness with MOCA: Approximately 95 Shore A
Hardness with DMTDA: Approximately 93 Shore A
Processing Method: Hot-cast polyurethane processing
Storage Condition: Dry, moisture-free environment
Chemical Family: Polyurethane prepolymer
Backbone Chemistry: Polyester
Isocyanate Type: TDI (Toluene Diisocyanate)
Reactive Group: Isocyanate (-NCO)
Cure Mechanism: Polyaddition reaction with diamine curatives
Polymer Structure: Polyester urethane
Crosslinking Behavior: Forms thermoset polyurethane network after curing
Moisture Sensitivity: High
Water Reactivity: Reacts with water and atmospheric humidity
Oil Resistance: Good
Abrasion Resistance: Excellent
Flexibility: Excellent
Elastic Recovery: Excellent
Tear Resistance: High
Fatigue Resistance: Good to excellent
Mechanical Strength: High
FIRST AID MEASURES of WANNATE 3T3250:
-Description of first-aid measures
*General advice:
Show this material safety data sheet to the doctor in attendance.
*If inhaled:
After inhalation:
Fresh air.
*In case of skin contact:
Take off immediately all contaminated clothing.
Rinse skin with
water/ shower.
*In case of eye contact:
After eye contact:
Rinse out with plenty of water.
Call in ophthalmologist.
Remove contact lenses.
*If swallowed:
After swallowing:
Immediately make victim drink water (two glasses at most).
Consult a physician.
-Indication of any immediate medical attention and special treatment needed.
No data available
ACCIDENTAL RELEASE MEASURES of WANNATE 3T3250:
-Environmental precautions:
Do not let product enter drains.
-Methods and materials for containment and cleaning up:
Cover drains.
Collect, bind, and pump off spills.
Observe possible material restrictions.
Take up dry.
Dispose of properly.
Clean up affected area.
FIRE FIGHTING MEASURES of WANNATE 3T3250:
-Extinguishing media:
*Suitable extinguishing media:
Carbon dioxide (CO2)
Foam
Dry powder
*Unsuitable extinguishing media:
For this substance/mixture no limitations of extinguishing agents are given.
-Further information:
Prevent fire extinguishing water from contaminating surface water or the ground water system.
EXPOSURE CONTROLS/PERSONAL PROTECTION of WANNATE 3T3250:
-Control parameters:
--Ingredients with workplace control parameters:
-Exposure controls:
--Personal protective equipment:
*Eye/face protection:
Use equipment for eye protection.
Safety glasses
*Body Protection:
protective clothing
*Respiratory protection:
Recommended Filter type: Filter A
-Control of environmental exposure:
Do not let product enter drains.
HANDLING and STORAGE of WANNATE 3T3250:
-Conditions for safe storage, including any incompatibilities:
*Storage conditions:
Tightly closed.
Dry.
STABILITY and REACTIVITY of WANNATE 3T3250:
-Chemical stability:
The product is chemically stable under standard ambient conditions (room temperature).
-Possibility of hazardous reactions:
No data available
