PU washers are precision-molded polyurethane washers designed for industrial sealing, cushioning, vibration reduction, and load distribution. Compared with traditional rubber or metal washers, polyurethane washers provide superior wear resistance, elasticity, and long-term durability, even in harsh working environments.

Specifications

Material: Premium polyurethane (PU) elastomer
Shape: Flat washer / sealing ring / spacer washer
Inner Diameter (ID): Customizable
Outer Diameter (OD): Customizable
Thickness: Customizable
Hardness Range: Multiple Shore A options available
Color Options: Standard or customized
Operating Environment: Oil, moisture, chemicals, vibration, heavy loads

Key Features & Performance Advantages

Excellent Sealing Performance
Prevents leakage in mechanical joints and pipeline connections
High Wear & Abrasion Resistance
Outlasts rubber washers in high-friction environments
Strong Load Bearing Capacity
Maintains shape under compression and heavy pressure
Oil & Chemical Resistant
Suitable for hydraulic systems and industrial fluids
Elastic & Shock Absorbing
Reduces vibration and protects equipment components
Long Service Life
Low maintenance and replacement cost

Typical Applications

Industrial machinery fastening systems
Hydraulic and pneumatic equipment
Pipeline sealing and flange connections
Vibration damping assemblies
Automotive and mechanical equipment
OEM industrial components

Customization & OEM Manufacturing

Custom inner and outer diameters
Adjustable thickness and hardness
Special formulations for high-temperature or chemical environments
Precision molding for high-volume or small-batch production

FAQ

Q1: What is a PU washer used for?
PU washers are used for sealing, cushioning, vibration reduction, and load distribution in industrial machinery and piping systems.

Q2: Are polyurethane washers better than rubber washers?
Yes, PU washers offer higher wear resistance, longer lifespan, and better performance under oil, pressure, and harsh conditions.

Q3: Can PU washers be customized in size and hardness?
Yes, sizes, thicknesses, hardness levels, and colors can be fully customized.

Q4: Are PU washers resistant to oil and chemicals?
Yes, polyurethane materials perform well in contact with oils, greases, and many industrial chemicals.

Q5: Which industries commonly use PU washers?
Machinery manufacturing, hydraulic systems, pipelines, automotive, material handling, and OEM equipment.