Our cast urethane seals are manufactured from premium cast polyurethane, offering outstanding wear resistance, elasticity, and long-term sealing performance in demanding industrial environments. Compared with traditional rubber seals, cast polyurethane seals deliver longer service life, higher load capacity, and improved resistance to oil, abrasion, and impact.

Specifications

Material: Cast Polyurethane (CPU)
Hardness Range: Shore A 60–95 (customizable)
Seal Types: Rod seals, piston seals, wipers, static seals
Operating Temperature: Suitable for typical industrial environments
Pressure Resistance: Designed for medium to high-pressure applications
Dimensions: Standard sizes or fully customized
Color: Natural, yellow, black, or custom colors

Key Features & Performance Advantages

Exceptional Wear Resistance
Cast polyurethane outperforms rubber in abrasive and high-friction environments
Superior Elasticity & Recovery
Maintains sealing integrity under repeated compression and movement
Excellent Oil & Chemical Resistance
Suitable for hydraulic oils, lubricants, and industrial fluids
High Load-Bearing Capacity
Ideal for heavy-duty and high-pressure sealing applications
Extended Service Life
Reduces downtime, maintenance frequency, and replacement costs
Custom-Made for Your Application
Material formulation, hardness, and dimensions can be tailored to your equipment

Applications

Hydraulic cylinders and systems
Pneumatic equipment
Industrial machinery and automation equipment
Ceramic and heavy industrial equipment
Mining, metallurgy, and material handling systems
Custom sealing solutions for special working conditions

FAQ

Q1: What is the advantage of cast urethane seals compared to rubber seals?
Cast urethane seals offer significantly higher wear resistance, better elasticity, and longer service life, especially in demanding industrial applications.

Q2: Are cast urethane seals suitable for dynamic sealing?
Yes, they perform excellently in both static and dynamic sealing applications due to their high elasticity and abrasion resistance.

Q3: Can you customize seals based on drawings or samples?
Yes, we provide full customization based on drawings, samples, or application requirements.

Q4: What hardness options are available?
We offer a wide range of Shore A hardness to match different pressure and motion conditions.

Q5: What industries typically use cast urethane seals?
They are widely used in hydraulic systems, industrial machinery, ceramic equipment, mining, and heavy-duty applications.