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