A mainstay of manufacturing, conveyor systems help move goods from one place to another. Used in a multitude of industries, they offer a safe, efficient system to manage bulk materials, industrial goods, and food/beverage bottling and packaging. They are also utilized in airports, grocery stores, and other food service environments. Wear-resistant plastics, like UHMW for conveyors (ultra-high molecular weight polyethylene), are the go-to material for these systems thanks to their unique combination of strength, durability, and low friction that enables optimal performance and extends the life of all conveyor parts.
Here’s a look at the material’s properties that make UHMW for conveyors a smart choice for transporting goods from one location to another
Key Takeaways
- Conveyor systems are essential across industries—from manufacturing and packaging to airports and food service—for efficiently moving goods and materials.
- UHMW (Ultra-High Molecular Weight Polyethylene) is the preferred material for conveyors due to its strength, durability, and low-friction surface, which enhances performance and longevity.
- Low friction reduces energy consumption and motor strain, making UHMW ideal for moving heavier loads efficiently.
- Exceptional wear resistance—up to six times greater than steel—minimizes abrasion, impact damage, and costly downtime, while its self-lubricating properties lower maintenance needs.
- FDA-compliant UHMW is widely used in food and beverage conveyors thanks to its moisture resistance, bacteria resistance, and ability to withstand sanitation processes.
- Compliance with HACCP, CGMP, and SQF certifications ensures safety, hygiene, and regulatory adherence in food processing environments.
- Compared to metal parts, UHMW offers lighter weight, quieter operation, corrosion resistance, and easier maintenance, making it a cost-effective alternative.
- Acme Plastics provides UHMW sheets, rods, and custom-cut components tailored for conveyor systems to ensure smooth, reliable operation.
Low-Friction Surface Reduces Energy Consumption
UHMW has a low friction coefficient. The plastic’s long molecular chains and smooth surface helps to decrease resistance between moving parts and belts. This quality reduces motor energy consumption and lowers the amount of force needed for movement—a plus for moving heavier items.
Wear Resistance Prevents Costly Downtime
UHMW has incredible strength and impact resistance. In fact, its wear resistance is six times higher than steel. Its dense structure makes it resistant to abrasion, impact, and certain chemicals. Along with its low friction coefficient, this helps extends system life by preventing wear from abrasion and reducing replacement needs. The plastic is also self-lubricating, which reduces maintenance costs and wear and tear on components and surfaces to minimize downtime.
FDA-Approved UHMW for Food & Beverage Conveyors
Food processing facilities need to ensure safe, sanitary operations. FDA-compliant UHMW provides bacteria and moisture resistance for conveyor systems. Natural (or Virgin) UHMW is FDA-compliant for food applications and is a popular choice for conveyor systems due to a few properties:
- High molecular weight: Boasting an ultra-high molecular weight (range of 3 to 6 million) allows it to withstand the sanitizing necessary for food manufacturing and handling.
- Moisture resistant: UHMW having this quality lowers the risk of food contamination since the plastic doesn’t remove water from any foods on the surface that may potentially contaminate other foods.
Equipment that comes into contact with food must adhere to government guidelines to prevent contamination. Food safety certificates and safety training help facilities meet regulations. They include:
- HACCP Certification – Hazard Analysis Critical Control Point (HACCP) is a FDA management system that addresses the analysis and control of biological, chemical, and physical hazards from raw material production, procurement and handling, to manufacturing, distribution, and consumption of the finished product.
- CGMP Certification – The FDA’s Current Good Manufacturing Practices (CGMP) addresses the operational conditions and requirements necessary for appropriate personal hygiene practices throughout the food supply chain. This also includes design and construction of a food plant and maintenance of plant grounds, plant equipment, sanitary operations, facility sanitation, and production and process controls during the production of food.
- SQF Certification – Offered by the Safe Quality Food (SQF) Institute, a leading global food safety and quality certification and management system, this food safety program helps manufacturers meet industry, customer, and regulatory requirements.
These safety certifications and programs for UHMW can also benefit quality, risk management, and cost efficiency for food processing facilities.
Comparison: UHMW vs. Metal Parts
Compared to metal, wear-resistant plastics offer reduced weight, quieter operation, and easier maintenance. UHMW lasts longer than metal when exposed to constant wear applications due to its lower friction coefficient and self-lubricating properties. Here’s how it stacks up against metal:
- Lighter weight: Plastic is lighter than metal, making it easier to handle, fabricate, and install.
- Quieter operation: UHMW plastic’s impact-resisting quality allows it to absorb impact as well as noise from the conveyor system’s movement.
- Easier maintenance: UHMW plastic is easy to clean, inspect, and replace as needed. Its corrosive resistance allows it to withstand commercial-grade cleaners without damage.
Keep Conveyor Systems Running with Acme Plastics
Acme Plastics offers UHMW sheets, rods, and other component engineered specifically for conveyor applications. Natural or Reprocessed Sheets are available in 48” x 60” and 48”x 120” and in a variety of thicknesses. Cut-to-size options are also available to fit your exact system for even easier installation and to reduce waste. Reach out to one of our experts today to keep your conveyor systems running smoothly.
