PRODUCTS

WANNATE 3T6252

Wannate 3T6252 is widely applied in mining, quarrying, and material handling equipment where components are exposed to severe wear conditions.
Wannate 3T6252 is used in conveyor system rollers, guide wheels, and heavy transport systems that require high durability.
Wannate 3T6252 is also used in wear parts such as scraper blades, liners, and protective coatings designed for abrasive environments.

CAS Number: 108338-51-8* (industrial PTMEG-TDI prepolymer family reference)
EC Number: Not publicly assigned
Molecular Formula: Not applicable (polymeric mixture)
Molecular Weight: Not defined (polymer distribution)

SYNONYMS:
WANNATE® 3T6252, TDI PTMEG Polyurethane Prepolymer, PTMEG-Based TDI Prepolymer, Polyether Urethane Prepolymer, TDI-Terminated PTMEG Prepolymer, Cast Polyurethane Elastomer Prepolymer, Aromatic Polyether Polyurethane Prepolymer, High-Hardness PU Prepolymer

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, Wannate 3T6252, yields outstanding
properities.
Wannate 3T6252 is a high-performance TDI-based PTMEG (Polytetramethylene Ether Glycol) polyurethane prepolymer designed for the production of cast polyurethane elastomers with very high hardness, superior load-bearing capacity, and outstanding abrasion resistance.

Wannate 3T6252 belongs to the Wannate polyether polyurethane prepolymer series and is formulated for demanding industrial applications where mechanical strength, wear resistance, and long service life are critical.
Compared with lower grades in the same series, Wannate 3T6252 is designed to produce very hard elastomers while still maintaining acceptable elasticity and dynamic performance due to its PTMEG polyether backbone.

Wannate 3T6252 is a proprietary polyurethane prepolymer mixture and not a single defined chemical substance.
One of the main benefits of Wannate 3T6252 is its excellent abrasion and wear resistance, which significantly extends the lifespan of components operating in harsh environments.
Wannate 3T6252 provides very high load-bearing capacity, allowing it to support heavy mechanical loads without permanent deformation.

Wannate 3T6252 offers good dimensional stability, ensuring consistent performance even under continuous pressure and stress.
Its PTMEG-based polyether structure provides improved resistance to hydrolysis, making Wannate 3T6252 more reliable in humid or moisture-exposed environments compared to polyester-based alternatives.

The cured elastomer also exhibits good fatigue resistance, which allows Wannate 3T6252 to withstand repeated mechanical loading over long periods of operation.
These properties help reduce maintenance needs, minimize downtime, and improve overall operational efficiency in industrial systems.
In terms of characteristics, Wannate 3T6252 is defined by its very high hardness polyurethane elastomer performance combined with excellent mechanical strength and durability.

Wannate 3T6252 forms a crosslinked thermoset structure after curing, which provides permanent shape stability and resistance to deformation.
Wannate 3T6252 maintains moderate elasticity despite its high hardness level, allowing it to perform under dynamic conditions without brittle failure.
Wannate 3T6252 demonstrates excellent resistance to abrasion, impact, and mechanical wear, making it suitable for extreme service conditions.

The PTMEG polyether backbone enhances hydrolysis resistance and environmental stability, ensuring long-term performance in demanding industrial applications.
Wannate 3T6252 is characterized as a high-performance polyurethane prepolymer designed for maximum durability, wear resistance, and long service life in heavy-duty engineering applications.

USES and APPLICATIONS of WANNATE 3T6252:
Wannate 3T6252 is mainly used in heavy-duty cast polyurethane elastomer systems where extremely high hardness, superior abrasion resistance, and strong load-bearing performance are required.
Wannate 3T6252 is commonly applied in industrial environments that involve intense mechanical stress such as mining, quarrying, steel production, and large-scale material handling operations.

Wannate 3T6252 is widely used for manufacturing high-performance wheels and rollers that operate under continuous heavy loads and abrasive conditions.
Wannate 3T6252 is also used in conveyor system components, guide rollers, and transport wheels where long service life and resistance to wear are essential.
In addition, Wannate 3T6252 is applied in wear parts such as scraper blades, liners, protective coatings, and impact-resistant surfaces that are exposed to constant friction and mechanical abrasion.

Because of its high structural strength, Wannate 3T6252 is also suitable for bushings, couplings, and load-supporting elastomer components in heavy machinery.
Wannate 3T6252 is used in heavy-duty polyurethane elastomer applications where maximum hardness and abrasion resistance are required.
Wannate 3T6252 is commonly used in industrial wheels and rollers operating under extreme loads and continuous friction.

Wannate 3T6252 is suitable for structural elastomer components such as bushings, couplings, and load-bearing supports in heavy machinery.
Wannate 3T6252 is used in vibration and impact-resistant industrial parts where high hardness and strength are more important than flexibility.
Wannate 3T6252 is also selected for applications requiring long service life under continuous mechanical stress.

CHARACTERISTICS of WANNATE 3T6252:
Wannate 3T6252 is characterized by its very high hardness and exceptional mechanical strength, making it suitable for the most demanding polyurethane elastomer applications.
The PTMEG-based polyether, Wannate 3T6252, structure provides improved hydrolysis resistance compared with polyester-based systems, ensuring reliable performance in humid or wet environments.
Wannate 3T6252 is engineered to deliver maximum wear resistance and load-bearing performance, making it ideal for extreme industrial conditions where abrasion and mechanical stress are very high.

Despite its hardness, Wannate 3T6252 retains sufficient elasticity to avoid brittle failure under dynamic loading.
The cured elastomer, Wannate 3T6252, exhibits excellent dimensional stability and maintains its structural integrity under continuous heavy loads.
Wannate 3T6252 also shows good resistance to crack propagation and mechanical fatigue, contributing to long service life.

BENEFITS of WANNATE 3T6252:
Wannate 3T6252 provides outstanding abrasion resistance, making it ideal for applications involving severe wear conditions.
Its very high hardness allows Wannate 3T6252 to support heavy loads without permanent deformation.
Wannate 3T6252 offers excellent durability and long service life, significantly reducing maintenance and replacement frequency in industrial applications.
Wannate 3T6252's PTMEG chemistry ensures strong resistance to hydrolysis, improving performance in humid environments compared with polyester-based polyurethane systems.

Wannate 3T6252 provides excellent dimensional stability under continuous mechanical stress, ensuring consistent performance over time.
Wannate 3T6252 also delivers good fatigue resistance, allowing it to withstand repeated cyclic loading without failure.
Its combination of high hardness and toughness makes Wannate 3T6252 suitable for extreme industrial environments where both strength and wear resistance are critical.

STORAGE of WANNATE 3T6252:
Wannate 3T6252t should be storied in dry conditions above 5°C and below 35°C with the integrity of the packaging, and prevent direct sunlight.
The validity of Wannate 3T6252 is for 12 months, performance assessment is recommended before use after more than 12 months.
After opening the packing, Wannate 3T6252 is suggested to use up one time.

WANNATE 3T6252 IS CHARACTERIZED BY;
Wannate 3T6252 elastomers are characterized by:
*Excellent flex life
*Excellent abrasion resistance
*Good resistant to water
*Excellent resilience

PHYSICAL and CHEMICAL PROPERTIES of WANNATE 3T6252:
Product Name: WANNATE® 3T6252
Chemical Type: TDI-based PTMEG polyurethane prepolymer
Polymer Family: Polyether polyurethane prepolymer
CAS Number: 108338-51-8* (industrial PTMEG-TDI prepolymer family reference)
EC Number: Not publicly assigned
Molecular Formula: Not applicable (polymeric mixture)
Molecular Weight: Not defined (polymer distribution)
Isocyanate Type: Toluene Diisocyanate (TDI)

Polyol Type: PTMEG
Appearance: Solid or semi-solid polymer.
Physical State: Solid at room temperature.
Color: Amber to dark yellow-brown.
Odor: Mild aromatic isocyanate odor.
Hardness: Very high Shore A hardness elastomer after curing.
Elasticity: Moderate elasticity (compared to lower hardness grades).
Tensile Strength: Very high.

Tear Strength: High.
Abrasion Resistance: Excellent.
Wear Resistance: Excellent under extreme conditions.
Impact Resistance: Good.
Load-Bearing Capacity: Very high.
Dimensional Stability: Excellent.
Flexibility: Moderate to low (due to high hardness level).
Vibration Damping: Moderate.

Fatigue Resistance: Good to very good.
Castability: Good under controlled processing conditions.
Surface Quality: Durable and wear-resistant surface finish.
Chemical Properties
Chemical Type: Polyether polyurethane prepolymer.
Polymer Backbone: PTMEG (polyether).
Isocyanate Type: TDI (aromatic diisocyanate).

Reactive Groups: Terminal isocyanate (-NCO).
Curing Reaction: Reacts with diamines or polyols to form polyurethane elastomers.
Structure: Highly crosslinked thermoset polyurethane network after curing.
Moisture Sensitivity: High before curing.
Hydrolysis Resistance: Excellent after curing (PTMEG advantage).
Oil Resistance: Good.
Chemical Resistance: Moderate to good depending on exposure.

Fatigue Resistance: Good.
Thermal Behavior: Stable within polyurethane operating range.
Environmental Resistance: Good in industrial environments.
Water Resistance: Good after curing.
Appearance: Solid polymer material.
Physical State: Solid at room temperature.
Color: Amber to brownish tone.

Odor: Mild aromatic isocyanate odor.
Hardness: Very high Shore A elastomer.
Tensile Strength: Very high.
Tear Strength: High.
Abrasion Resistance: Excellent.
Wear Resistance: Excellent.
Impact Resistance: Good.
Flexibility: Low to moderate.

Elasticity: Moderate.
Load Capacity: Very high.
Dimensional Stability: Excellent.
Castability: Good under controlled processing.
Chemical Properties
Chemical Type: Polyether polyurethane prepolymer.
Polyol Type: PTMEG.
Isocyanate Type: TDI.
Reactive Groups: Isocyanate (-NCO).
Curing System: Diamine or polyol curing.

Polymer Structure: Crosslinked thermoset polyurethane.
Moisture Sensitivity: High before curing.
Hydrolysis Resistance: High after curing.
Oil Resistance: Good.
Chemical Stability: Moderate to good.
Fatigue Resistance: Good.
Thermal Stability: Good within polyurethane range.
Environmental Resistance: Good.

FIRST AID MEASURES of WANNATE 3T6252:
-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 3T6252:
-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 3T6252:
-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 3T6252:
-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 3T6252:
-Conditions for safe storage, including any incompatibilities:
*Storage conditions:
Tightly closed.
Dry.

STABILITY and REACTIVITY of WANNATE 3T6252:
-Chemical stability:
The product is chemically stable under standard ambient conditions (room temperature).
-Possibility of hazardous reactions:
No data available