WANNATE 3W3688

Wannate 3W3688  is mainly used in engineered cast elastomer parts that must operate continuously under mechanical stress while maintaining surface integrity and dimensional stability.
Wannate 3W3688 is widely applied in high-wear industrial environments, especially where components are in constant contact with abrasive particles or repeated mechanical motion.
Wannate 3W3688 is commonly used in heavy-duty conveying systems, including conveyor rollers, support rollers, and drive wheels that operate in mining, cement, steel, and bulk material industries.

CAS Number: Not assigned (mixture / proprietary formulation)
EC Number: Not assigned
Molecular Formula: Proprietary mixture
Molecular Weight: Not defined (polymeric distribution)

SYNONYMS:
WANNATE® 3W3688, Polyurethane Casting System 3W3688, Industrial PU Elastomer System, Cast Elastomer Prepolymer, High Performance Polyurethane System, Multi-Component PU System, Wanhua Elastomer Prepolymer System, Abrasion Resistant Polyurethane System

Wannate 3W3688 is designed for advanced industrial elastomer systems where standard polyurethane grades are not sufficient due to extreme combinations of abrasion, impact, and long-term cyclic loading.
Wannate 3W3688 is a high-performance cast polyurethane elastomer prepolymer system designed for industrial applications requiring excellent abrasion resistance, high mechanical strength, and durable elastic performance.

Wannate 3W3688 belongs to Wanhua Chemical’s multi-component polyurethane systems, which are engineered to allow flexible formulation and broad hardness adjustment depending on the curing system used.
This grade is particularly suitable for heavy-duty elastomer applications where components must resist continuous wear, impact, vibration, and long-term mechanical stress.

Wannate 3W3688 is a proprietary polyurethane prepolymer system, not a single pure chemical substance.
Wannate 3W3688 is a specialized polyurethane raw material developed for use in high-performance polyurethane systems.
Wannate 3W3688 is designed to provide excellent processing characteristics and consistent quality in industrial polyurethane applications.

Wannate 3W3688 contributes to the production of polyurethane materials with enhanced mechanical strength, durability, and long-term performance.
Wannate 3W3688's carefully engineered chemical structure supports efficient reactions with compatible polyols and other polyurethane components.
Wannate 3W3688 is suitable for manufacturing polyurethane products that require a balance of toughness, flexibility, and dimensional stability.

Wannate 3W3688 is widely utilized in industrial formulations where reliable curing behavior and consistent product quality are essential.
Wannate 3W3688 helps manufacturers achieve improved processing efficiency while maintaining high-performance characteristics in the finished polyurethane system.
Its versatility makes Wannate 3W3688 suitable for a variety of polyurethane applications, including elastomers, coatings, adhesives, sealants, and specialty polyurethane products.

Wannate 3W3688 is valued for its ability to contribute to durable polyurethane structures capable of withstanding demanding service conditions.
Wannate 3W3688 is manufactured to meet the requirements of modern polyurethane production processes where performance, reliability, and consistency are critical.

USES and APPLICATIONS of WANNATE 3W3688:
Wannate 3W3688  is mainly used in engineered cast elastomer parts that must operate continuously under mechanical stress while maintaining surface integrity and dimensional stability.
Wannate 3W3688 is widely applied in high-wear industrial environments, especially where components are in constant contact with abrasive particles or repeated mechanical motion.
Wannate 3W3688 is commonly used in heavy-duty conveying systems, including conveyor rollers, support rollers, and drive wheels that operate in mining, cement, steel, and bulk material industries.

These environments require materials that can resist continuous surface erosion while maintaining stable mechanical behavior over long service cycles.
In mining and quarry equipment, Wannate 3W3688 is used for wear liners, chute linings, screening components, and impact zones where rocks, minerals, and abrasive materials cause constant surface damage.

Wannate 3W3688 helps extend equipment life in extremely harsh environments.
Wannate 3W3688 is also used in industrial machinery components such as guide wheels, tensioning elements, and support blocks where both load-bearing capacity and wear resistance are critical.

In transport and logistics systems, Wannate 3W3688 is applied in high-load caster wheels, buffer systems, and vibration-damping supports that must endure repetitive movement and heavy loads without deformation.
Additionally, Wannate 3W3688 is used in protective engineering components such as impact bumpers, mechanical stops, and anti-collision pads in automated production lines and heavy equipment systems.

Wannate 3W3688 is widely used in the production of industrial polyurethane elastomer components that require durability and wear resistance.
Typical applications of Wannate 3W3688 include industrial rollers, conveyor wheels, guide wheels, and transport system components.
Wannate 3W3688 is used in mining, quarrying, and heavy material handling equipment where abrasion and impact resistance are critical.

The system is suitable for wear parts such as scraper blades, liners, sealing elements, and protective coatings.
Wannate 3W3688 is also used in vibration damping components, machine mounts, and shock-absorbing parts.
Additionally, Wannate 3W3688 is applied in general engineering elastomers where long service life and mechanical reliability are required under harsh conditions.

Wannate 3W3688 is an MDI ester prepolymer that provides a hardness of 88 ShA with 1.4 BDO and 97 ShA with HQEE.
Wannate 3W3688 stands out as a raw material with its low viscosity, pot life of up to 8 minutes, and good flexibility properties.

BENEFITS of WANNATE 3W3688:
One of the key benefits of Wannate 3W3688 is its ability to significantly reduce wear-related failure in industrial components.
This results in longer service intervals and reduced maintenance downtime in production systems.
Wannate 3W3688 provides a strong combination of mechanical strength and elastic recovery, meaning parts can absorb impact energy and return to their original shape without permanent deformation.

The system offers excellent fatigue resistance, allowing components to survive repeated stress cycles such as rolling, compression, bending, and vibration without structural breakdown.
Wannate 3W3688's formulation flexibility allows manufacturers to adjust final hardness and elasticity, enabling optimization for different industrial needs using the same base system.
Wannate 3W3688 also improves operational reliability, as it maintains stable performance even in long-term continuous service conditions.

Another major benefit is Wannate 3W3688's contribution to cost efficiency, since its durability reduces replacement frequency and minimizes unplanned machine downtime.
Wannate 3W3688 provides excellent abrasion resistance, making it suitable for components exposed to continuous friction and mechanical wear.
Wannate 3W3688 delivers high tensile and tear strength, improving reliability in heavy-load applications.

Wannate 3W3688's polyurethane structure provides a good balance between toughness and flexibility, reducing risk of cracking under stress.
The system allows flexible formulation, enabling manufacturers to tailor hardness and elasticity based on application needs.
Wannate 3W3688 improves service life of industrial components, reducing maintenance and replacement costs.

Wannate 3W3688 also performs well under cyclic loading conditions, improving operational reliability.
Good chemical and oil resistance enhances usability in industrial machinery environments.

CHARACTERISTICS of WANNATE 3W3688:
Wannate 3W3688 is characterized by its high-performance polyurethane network structure, which forms a dense, crosslinked elastomer after curing.
This structure provides strong resistance to mechanical deformation and surface degradation.
Wannate 3W3688 exhibits a balanced combination of hardness and toughness, allowing it to withstand both abrasive wear and impact forces simultaneously.

Wannate 3W3688 shows excellent dynamic mechanical stability, meaning it performs reliably under continuous movement, vibration, and alternating stress conditions.
Wannate 3W3688 demonstrates high resistance to crack formation and propagation, which is critical in applications involving repeated mechanical loading.

Its polyurethane chemistry provides good energy absorption behavior, making Wannate 3W3688 effective in shock and vibration damping applications.
The system also maintains stable performance over time, even under harsh industrial conditions involving dust, abrasion, and mechanical stress.

Wannate 3W3688 is characterized as a versatile, high-durability elastomer system designed for long-life performance in demanding engineering environments where wear resistance, mechanical strength, and reliability are essential.
Wannate 3W3688 is characterized by its ability to form high-strength, wear-resistant polyurethane elastomers with a balanced combination of hardness and elasticity.

The system forms a three-dimensional crosslinked polymer network after curing, which provides strong structural integrity and resistance to deformation under load.
Wannate 3W3688 is designed to deliver excellent abrasion resistance while maintaining good flexibility, allowing it to perform under both static and dynamic mechanical conditions.

Wannate 3W3688 shows strong fatigue resistance, meaning it can withstand repeated stress cycles without significant degradation.
Its formulation flexibility allows adjustment of mechanical properties, making Wannate 3W3688 suitable for a wide range of industrial elastomer requirements.
Wannate 3W3688 also provides good environmental stability and long-term durability in demanding operating environments.

PHYSICAL and CHEMICAL PROPERTIES of WANNATE 3W3688:
Product Name: WANNATE® 3W3688
Chemical Type: Polyurethane prepolymer system
Polymer Family: Cast polyurethane elastomer system
CAS Number: Not assigned (mixture / proprietary formulation)
EC Number: Not assigned
Molecular Formula: Proprietary mixture
Molecular Weight: Not defined (polymeric distribution)
Base Chemistry: Polyether / polyester polyurethane system (industrial formulation dependent)

Isocyanate Component: TDI-based system (typical for WANNATE elastomer series)
Appearance: Amber to dark brown liquid prepolymer system.
Physical State: Liquid before curing.
Color: Brown to amber.
Odor: Mild aromatic odor typical of isocyanate-based systems.
Viscosity: Medium viscosity (process-dependent).
Hardness Range: Adjustable depending on curing system (typically medium to high Shore hardness elastomers).
Elasticity: Good elasticity.

Resilience: Good rebound performance.
Tensile Strength: High tensile strength after curing.
Tear Strength: High tear resistance.
Abrasion Resistance: Excellent wear resistance under friction.
Impact Resistance: Good to very good impact absorption.
Load-Bearing Capacity: High mechanical load capacity.
Dimensional Stability: Good stability under load.

Fatigue Resistance: Very good resistance to cyclic stress.
Surface Quality: Smooth and durable elastomer surface.
Castability: Good flow and mold filling capability.
Service Life: Long service life in industrial environments.
Chemical Type: Polyurethane prepolymer system.
Reactive Groups: Isocyanate (-NCO) functional groups.

Curing Mechanism: Reaction with polyols or amine curatives.
Polymer Structure: Crosslinked thermoset polyurethane network after curing.
Moisture Sensitivity: High before curing (reacts with water).
Hydrolysis Resistance: Moderate to good depending on formulation system.
Oil Resistance: Good resistance to industrial oils and greases.
Chemical Resistance: Good resistance to moderate industrial chemicals.

Thermal Stability: Stable within normal polyurethane operating temperature range.
Environmental Resistance: Good under industrial conditions.
Fatigue Behavior: Excellent under repeated mechanical loading.
Reactivity: High reactivity with curing agents.
Storage Stability: Stable under dry, sealed conditions.
Density: Approx. 1.1–1.3 g/cm³ (typical polyurethane system range).

FIRST AID MEASURES of WANNATE 3W3688:
-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 3W3688:
-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 3W3688:
-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 3W3688:
-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 3W3688:
-Conditions for safe storage, including any incompatibilities:
*Storage conditions:
Tightly closed. 
Dry.

STABILITY and REACTIVITY of WANNATE 3W3688:
-Chemical stability:
The product is chemically stable under standard ambient conditions (room temperature).
-Possibility of hazardous reactions:
No data available