Makes Difficult Sanding Easy
When you need to sand a location that is challenging to reach, or need to uniformly sand a unique profile, choose a 3M™ Softback Sanding Sponge for its ability to conform to most any shape or reach difficult spots. The soft foam backing is more flexible than conventional paper backed sandpaper. To access tight locations, the foam backing has been made relatively thin as compared to many other sanding sponges. Use these sponges for hand-sanding applications where you need more precision and detail than could be achieved with machine-sanding methods.
Sanding Sponges for Many Applications
Our 3M Softback Sanding Sponges are highly versatile abrasive products. The sponges have an aluminum oxide mineral coating on a foam pad with a waterproof bonding system, which allows you to use these sponges for both wet and dry sanding, Use these sponges for sanding wood, metal, fiberglass, plastic, gel coats and marine paints. These sponges are especially useful to help eliminate finger marks.
A Variety of Abrasive Grades
These sponges are available in a range of grades, including microfine (grade 1200 to 1500), ultrafine (grade 800 to 1000), superfine (grade 500 to 600), fine (320 to 400) and medium (grade 120 to 180). Each grade uses a range of mineral sizes.
The Reason Why We Chose Aluminum Oxide
Aluminum oxide minerals are a good match for automotive technicians who desire all-purpose versatility and economy. The mineral cuts fast while grinding, blending and deburring. Aluminum oxide is a premium grain with higher fracture strength, meaning the mineral will fragment and renew more readily. Fragmenting continually exposes new, sharp cutting edges as the mineral wears, which maintains the cutting effectiveness and extends the life of the abrasive.
Putting Science to Work for Practical Applications
3M incorporates the science behind abrasives and materials to work for the daily needs of auto body technicians. We’ve combined self-fracturing aluminum oxide abrasives with a waterproof adhesive to a highly flexible backing to serve the real-world needs of sanding uniquely shaped contours and limited-access locations.

Dynabrade 95843 Dynabrade Air Lube 10W/NR, 1 Gallon
3M 27721, Cubitron II Roloc Durable Edge Disc 984F, 80+, YF-weight, TSM, Maroon, 2 in, Die RS200PM, 7000045178, 200 per case
Insize ISV-K6015, VIDEOSCOPE, lens diameter .236", cable length 60", 6940561973440
Dynabrade 94990 1/4" Female Composite-Style Coupler with 1/4" Male Plug Assembly
Dynabrade 95674 1/4" Female Coupler
3M 26128, PPS Series 2.0 Adapter, Type S33, 1/8 Female, 27 Thread NPT, 7100135950
3M 05048, Cloth Belt 384F, 80+ XF-weight, 1 in x 12 in, Fabri-lok, Full-flex, 7100141432, 200 per case
3M 15145 Scotch-Brite Surface Conditioning Low Stretch Belt, SC-BL, A/O Medium, 1 in x 132 in, 7010364529
3M 26015, PPS Series 2.0 Adapter, Type S8, 12 mm Male, 1.0 mm Thread, 7100135931
Standard Abrasives 42884 , Zirconia HP Type 27 Flap Disc, 645988, 7 in x 7/8 in, 7010292776
3M 55642, Cubitron II Flap Disc 967A, 60+, T27, 7 in x 7/8 in, Giant, 7010363305
3M 88901, PSA Cloth Disc 348D, P100 X-weight, 12 in x NH, Die 1200B, 7000118894
Dynabrade 95676 1/4" Female Coupler with 1/4" Male Plug Assembly
3M 97977, Hi-Strength Spray Adhesive 94 ET, Low VOC <20%, Clear, 24 fl oz Can (Net Wt 19.8 oz), 7000121417, 12/Case
3M 65488, Pro Grade Precision Ultra Durable Universal Hole Sanding Disc, DUH5100TRI-10I, 5 inch UH, 100, 7100202876, 10 per pack
Dynabrade 77775 5" Dia. x 7/8" Center Hole, 120 Grit, Type 27, Ceramic DynaCut Flap Disc, 10/pack
3M 33349, 641WY 1/4" X 24", 220 Mesh Diamond Cloth Belt, 7010534919
3M 64070, Contractor Grade Pro Strength Duct Tape 3979, Silver, 1.88 in x 60 yd, 7010375912
3M 01003, Scotch-Weld EPX Mixing Nozzle, Square Green, 48.5mL and 50mL, 7100148765
ACS CX1250 Diamond Belt, 1/2" X 24" 30u
3M 97421, Aluminum Foil Tape 3380, Silver, 72 mm x 45 m, 3.25 mil, 7010375681
3M 02960, Scotch-Brite Cut and Polish Wheel, CP-WL, 5A Fine, 6 in x 1 in x 1 in, 7100009186, Box of 3
Standard Abrasives 703732, A/O Straight Cartridge Roll, 3/8 in x 1-1/2 in x 1/8 in 60, 7100085863
3M 97419, Aluminum Foil Tape 3380, Silver, 48 mm x 45 m, 3.25 mil, 7000049613
Dynabrade 94960 1/4" Composite-Style Coupler, 1/4" Female
3M 55987, Green Corps Depressed Center Grinding Wheel, T27, 9 in x 1/4 in x 7/8 in, 24, 7000120223, 20 per case
3M 33472, Cubitron II Flap Disc T29, 33472, 115 mm x 22 mm, 80+ grade, 7100101807, 5 discs per carton, 6 cartons per case
3M 26583, Accuspray Refill Pack for PPS Series 2.0, Green, 1.3 mm, 7100152953 
