3M Paper Sheet 336U is an ideal abrasive sanding sheet for soft metals like aluminum, brass, bronze and copper. Constructed on an intermediate, C-weight paper backing, it features an open coat aluminum oxide mineral to help prevent loading.

- General purpose sheets ideal for hand or machine sanding soft metal and woods

- Durable, resin bonded C-weight paper backing resists tearing in hands-on applications

- Aluminum Oxide abrasive cuts fast and provides a consistent, fine finish

- Open coat resists loading on soft materials