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Help CenterHeavy-Duty Polyurethane Anti-Collision Blocks & Dampeners | Sealchris
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Heavy-Duty Polyurethane Anti-Collision Blocks & Buffers
In high-speed automation systems, logistics handling lines, mining operations, and heavy industrial machinery environments, mechanical impact protection is essential to prevent structural failure and unplanned downtime.
Polyurethane (PU) Anti-Collision Blocks, Buffers, and Dampening Pads engineered by Sealchris are designed to absorb and dissipate high-impact kinetic energy, protecting critical equipment from repeated mechanical shock.
Polyurethane offers a unique balance between rubber elasticity and plastic strength:
· Stronger than conventional rubber under load
· More elastic and impact-resistant than rigid plastics
· Capable of repeated deformation with fast recovery
Technical Performance Capabilities
1. Extreme Mechanical Strength & Load Capacity
Polyurethane exhibits:
· High tensile strength
· High compressive resistance
· Excellent structural load-bearing capability
It absorbs heavy impact energy without cracking or permanent deformation.
2. Superior Abrasion & Wear Resistance
PU performs exceptionally in high-friction environments such as:
· Conveyor impact zones
· Sliding contact surfaces
· Repetitive collision systems
It significantly outperforms standard rubber materials in wear life.
3. Advanced Aging & Chemical Resistance
Engineered for long-term industrial exposure to:
· UV radiation
· Ozone and oxidation
· Industrial oils and greases
· Harsh cleaning chemicals
Technical Specifications & Compound Options
Parameter |
Specification |
Product Types |
Anti-collision blocks, dock bumpers, shock pads, crane buffers |
Material |
Cast polyurethane (PU / TPU) |
Hardness Range |
60–95 Shore A |
Tensile Strength |
25–50 MPa |
Mounting Options |
Flat block / steel plate / threaded inserts / bolt holes |
Customization |
OEM 2D/3D CAD supported |
Common Industrial Application Scopes
Automotive & Automation Systems
· End-stop bumpers
· Shuttle system crash blocks
· Production line impact buffers
Mining & Bulk Material Handling
· Hopper impact pads
· Ore chute liners
· Conveyor transfer zone protection
Warehousing & Logistics Systems
· Forklift docking buffers
· AGV collision protection
· Loading dock bumpers
Heavy Machinery & Crane Systems
· Crane rail end-stops
· Gantry shock absorbers
· Over-travel limit blocks
Frequently Asked Questions (FAQ)
Q1: Why choose polyurethane instead of traditional rubber?
Polyurethane provides significantly higher load capacity, tensile strength, and abrasion resistance. It is ideal for repeated high-energy impacts where rubber would deform permanently or fail prematurely.
Q2: How does Shore hardness affect performance?
· Lower hardness (60–75 Shore A):
Softer impact absorption, ideal for lighter loads and vibration damping
· Medium hardness (75–85 Shore A):
Balanced energy absorption for general industrial use
· High hardness (85–95 Shore A):
Maximum impact resistance for heavy-duty collision systems
Custom OEM Polyurethane Engineering
XI’AN CHRIS NEW MATERIALS CO., LTD. provides full OEM engineering support for polyurethane anti-collision systems, including:
· Custom PU formulation development
· Structural load simulation & optimization
· Steel-core bonding design
· Open-cast & injection molding tooling
· Multi-durometer prototype testing
· High-volume production manufacturing
We support global OEMs in mining, logistics, automation, and heavy machinery industries with fully customized impact protection solutions.
Conclusion
Polyurethane anti-collision components from Sealchris deliver high-performance impact absorption, long service life, and superior wear resistance—making them an ideal solution for demanding industrial environments.
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