close
Choose Your Site
Global
Social Media
 |
Polyurethane (PU) bumpers are high-performance industrial components engineered to absorb impact, dampen vibration, reduce noise, and protect equipment, structures, and personnel. Combining the elasticity of rubber with the durability of plastic, our polyurethane bumpers outperform traditional rubber, metal, or plastic bumpers in heavy-duty applications. Ideal for AGVs, forklifts, conveyor systems, dock edges, machinery frames, and automotive assembly lines, these custom-molded PU bumpers deliver long-lasting protection with minimal maintenance. |  |
· Absorb 70%+ of impact energy to prevent equipment damage and structural wear
· High tear strength and low friction coefficient resist abrasion and tearing under repeated impacts
· Distribute shock evenly to avoid localized stress on machinery or surfaces
· 3–5 times longer lifespan than standard rubber bumpers; resists deformation after thousands of impacts
· Withstand harsh conditions: moisture, oil, grease, chemicals, and UV exposure
· Low compression set ensures lasting elasticity (no permanent flattening over time)
· Dampen mechanical vibration to extend machinery life and improve precision
· Reduce metal-to-metal collision noise by 20–30 dB for quieter, safer workplaces
· Critical for night-shift operations and facilities near office or residential areas
· Fully customizable: shapes, sizes, hardness, colors, and mounting options
· Wide temperature tolerance: perform reliably from -40°C to 120°C (up to 150°C for high-grade PU)
· Lightweight yet robust: easier installation than metal bumpers with equal or better protection
· Lower maintenance costs: fewer replacements than rubber or foam alternatives
· Reduce downtime from equipment damage or noise-related workflow disruptions
· Excellent ROI: durable construction delivers years of reliable service
Parameter | Standard Specification | Custom Options |
Material | High-performance cast polyurethane (PU) | Vulkollan® (6× more abrasion-resistant), anti-static, flame-retardant grades |
Hardness | Shore A 30–90 / Shore D 40–70 | Custom durometers for soft cushioning or heavy-duty rigidity |
Density | 1.1–1.2 g/cm³ | Adjusted for weight/impact balance |
Temperature Range | -40°C to 120°C | High-temp grade: up to 150°C; low-temp grade: down to -60°C |
Compression Set | ≤15% (ASTM D395) | Low-set formulations for extreme durability |
Tensile Strength | 20–40 MPa | High-strength grades for heavy impacts |
Elongation at Break | 300–500% | Balanced for flexibility and tear resistance |
Abrasion Resistance | 50–100 mm³ (DIN 53516) | Premium grades: ≤30 mm³ |
· Standard Shapes: Cylindrical, square, rectangular, spherical, dome, and block
· Size Range:
o Small: 10 mm diameter × 10 mm length
o Medium: 50 mm × 50 mm × 100 mm
o Large: 200 mm × 200 mm × 500 mm (custom lengths up to 2 m)
· Mounting Options: Bolt-on, adhesive-backed, weldable inserts, or press-fit designs
· Colors: Standard (black, yellow, red, blue); custom colors for branding or safety coding
· Impact Energy Absorption: Up to 50 kJ (depending on size/hardness)
· Noise Reduction: 20–30 dB (A) for metal impacts
· Cycle Life: 10,000+ impacts without failure (Shore A 75 standard)
· Chemical Resistance: Resists oil, grease, hydraulic fluids, dilute acids, and alkalis
· Material Handling: AGV bumpers, forklift guards, conveyor end stops, pallet rack protectors
· Dock & Warehouse: Dock edge bumpers, loading bay guards, door jamb protectors
· Machinery & Automation: Robot arm bumpers, machine foot pads, vibration isolators
· Automotive: Assembly line bumpers, transport rack cushions, tool protection pads
· Construction & Infrastructure: Bridge expansion joints, safety barrier bumpers, column protectors
· Elevator & Lift: Buffer stops, door bumpers, guide rail protectors
· Premium Quality: Made from 100% virgin cast polyurethane for consistent performance
· Custom Engineering: In-house design team creates tailored solutions for unique impact challenges
· Rigorous Testing: All bumpers tested for impact, abrasion, and compression set to meet industrial standards
· Fast Lead Times: Molded to order with quick turnaround for standard and custom designs
· Global Compliance: Manufactured to ISO 9001, ASTM, and DIN standards for reliability worldwide
1. Specify shape, dimensions, and hardness (Shore A/D)
2. Select color, mounting type, and special grades (anti-static, flame-retardant)
3. Provide application details (impact force, temperature, environment) for optimized recommendations
Contact us today for a custom quote or to discuss your industrial impact protection needs. Our polyurethane bumpers deliver unmatched durability, performance, and value for your critical operations.
