1. Plastic
Manufacturer: Küpper, Canada
Link to their Brochure: https://www.kuepper.eu/images/PDF/Bulk_Material_Cataloque_2016-small.pdf
2. Urethane
Manufacturer: Luff Industries, Canada
Link to their Brochure: https://static.luffindustries.com/wp-content/uploads/2018/04/11194152/UGR_2018.pdf
Manufacturer: Plasthane, Canada
Link to their website: http://www.plasthane.com/en/conveyor-components-cleaners-scrapers-rolls/conveyor-guide-rollers/
Manufacturer: Superior Industries, United States
Link to their website: https://superior-ind.com/components/idler-equipment-manufacturer/self-aligning-idler/
Manufacturer: Kinder, Australia
Link to their product page: https://kinder.com.au/products/k-side-guide-rollers/
3. Stainless Steel
Manufacturer: ROLL-VEN, Italy
4. Hardened Steel
Manufacturer: SH Conveyor, China
Link to their product page: https://shconveyor.en.made-in-china.com/productimage/ioRnwlEKhdTg-2f1j00iKHazoykHERF/China-Belt-Conveyor-Guide-Roller-for-Coal-Mining.html