A polyurethane round bar, also known as a PU rod, is a solid cylindrical material widely used in industrial applications for machining and fabrication. It combines rubber-like elasticity with high mechanical strength, making it ideal for both dynamic and structural components.

Compared to traditional rubber or plastic rods, polyurethane round bars offer superior abrasion resistance, load-bearing capacity, and durability, ensuring long service life even in demanding environments.

Key Features

Excellent Wear Resistance: Polyurethane material performs well in high-friction environments.
High Elasticity and Strength: Combines flexibility with strong load-bearing capability.
Easy Machining: Suitable for cutting, turning, drilling, and shaping.
Impact Resistance: Absorbs shock without cracking or breaking.
Oil and Chemical Resistance: Maintains performance in industrial environments.
Long Service Life: Outlasts many traditional rubber and plastic materials.

Specifications

Material	Polyurethane(PU)/Urethane
Specification	Φ8 – Φ450mm
Length	300mm, 500mm, 1000mm
Hardness	Shore 45-98A
Density	1.15-1.2g/cm3
Color	Natural, Red, Blue, Yellow, Black, Tea, Transparent, ect.
Operation Temperature	-35°C – +80°C, it can reach 100°C in short time.
Application	Polyurethane round bar is suitable for friction in metallurgy, mining, petroleum, automobile, building materials, sports, general machinery and equipment, heavy machinery, shock-absorbing plate, blanking, stamping, sheet metal calibration and the field of high strength and service life, play a part of buffer or shock absorption.
Feature	Polyurethane round bar is oil-resistant, aging-resistant, corrosion-resistant, high wear-resistant, anti-torsion, high elasticity, strong vibration absorption, etc. It is more resistant to long-term impact than metal springs, and it does not hurt metal molds, also easy to load and unload. It is an ideal punching mold pad.

Applications

Polyurethane round bars are widely used in:

Machined industrial components
Rollers and wheels
Bushings and sleeves
Seals and gaskets
Wear-resistant parts
Ceramic and mining equipment

They provide durable and flexible material solutions.

Polyurethane Round Bar vs Other Materials

Feature	PU Round Bar	Nylon Rod	Rubber Rod
Wear Resistance	Excellent	Good	Moderate
Flexibility	High	Low	High
Load Capacity	High	Medium	Low
Machinability	Good	Excellent	Poor

PU round bars offer a balanced combination of strength, flexibility, and durability.

Types of Polyurethane Round Bars

Standard PU Rod: General-purpose applications.

High-Wear Resistant Rod: For abrasive environments.

High-Hardness Rod: For load-bearing applications.

Custom PU Rod: Tailored to specific requirements.

Custom Polyurethane Round Bar Solutions

We provide custom PU rods:

Custom diameters and lengths
Different hardness options
Pre-cut or full-length rods
OEM production based on drawings

FAQ

What is a polyurethane round bar used for?

It is used as a raw material for machining industrial components.

Is it easy to machine?

Yes, it can be cut, drilled, and turned.

What hardness is available?

Typically 70–95 Shore A.

Can sizes be customized?

Yes, fully customizable.

Looking for durable and machinable PU rod materials?
Contact pengde2@pengde-pu.com today for custom polyurethane round bars tailored to your application.