Description
3M Softback Sanding Sponge, Fine, 4-1/2 x 5-1/2 in – 02604 is a professional 3M abrasive for controlled sanding and surface preparation. The part number determines the exact grade, size and attachment format, helping users maintain a predictable scratch pattern and choose the correct next step in the finishing process.
Features
- Professional 3M abrasive engineered for predictable cutting and surface preparation.
- Part-number-specific grade and format help maintain a repeatable sanding process from coarse shaping through fine finishing.
- Use the listed attachment style and pad/holder type to obtain proper support and minimize edge damage.
- Select the grit to match the substrate, coating and next process step; finer grades reduce the depth of the scratch pattern.
- Well suited to marine refinishing, bodywork, paint preparation and general shop sanding when used within the abrasive system.
Specifications
- Manufacturer: 3M
- Manufacturer Part Number: 02604
- Size: 5-1/2 in
- Product Line: Softback
- Format: Flexible foam-backed sanding sponge
- Size: 4-1/2 x 5-1/2 in
- Use: Wet or dry
Process note: For best results, do not skip large grit steps. Sand until the previous scratch pattern is uniformly removed, keep the work area clean between grades, and use a compatible backup/interface pad to avoid edge digging and uneven pressure.

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