Are these authentic 3M pads sold in the box?

I had the same thing happen that the other two answers mention - obvious non-scotchbrite pads were shipped instead of authentic ones to me (August 2020). I provided pictures of real scotchbrite pads next to the fakes as well as a picture of the generic bag they came in instead of the actual 3M box.

What is it made out of?

Hope this helps! National Wholesalers Made with Silicon Carbide Mineral This grey pad is filled with silicon carbide abrasive mineral, a synthetic mineral that is very sharp and commonly used for low-pressure applications such as paint prep. While it breaks down faster than aluminum oxide, it produces a superior finish.

Painting some metal parts. the paint manufacturer recommends 36grit sandpaper.would 7747 scotch-brite pads be good, or would something else be better?

Please see below manufacturer details. Hope this helps! Specifications Abrasive Material Silicon Carbide Applications Finishing, Surface Preparation Brand Scotch-Brite™ Colour Family Grey Converted Form Hand Pad Equipment - Machines Hand Sanding Form Type Hand Pad For Use On Metal, Plastics and Composites, Wood Govt Markets Market Segment Defense, Facilities Management Govt Markets Product Category Maintenance Grade Ultra Fine Industries Aerospace, AOEM, Composite, General Industrial, Marine, Metalworking, MRO, Paint Preparation, Transportation & Heavy Equipment, Woodworking Overall Length (Imperial) 9 in Overall Length (Metric) 22.86 cm Overall Width (Imperial) 6 in Overall Width (Metric) 15.24 cm Pack or Case Quantity 3 boxes per case Position Good Primary Application Metalworking Product Colour Grey Product Form Hand Pad Sanding Method Hand Size (Imperial) 6 in x 9 in Size (Metric) 15.24 cm x 22.86 cm Sub Applications Blending, Contour Finishing, Fine Finishing, Pre-Paint Scuffing Sub Industries Cabinetry, Custom Woodworking and Millwork, Furniture, Metal Fabrication, Primary Wood and Panel Processing Substrate Aluminum, Cobalt & Nickel Alloy, Fibreglass, Gelcoat, Plastic, Soft Composite, Solid Surface, Stainless Steel Substrate Category Composite, Metal Details Pad conforms to irregular surfaces and gets into corners without losing performance The Scotch-Brite™ Ultra Fine Hand Pad combines durability for long life, flexibility for reaching tight areas, and can be used in place of steel wool for conditioning metal surfaces and paint prep. Unlike fine steel wool, Scotch-Brite™ Pads will not shred during use, rust after use, or leave fine metal splinters. The durable open-web construction of the Scotch-Brite™ Ultra Fine Hand Pad is load-resistant, offers long life and consistent abrasive action for cleaning, finishing, and buffing with no need to adjust, turnover, or continue the same project with a new pad. The pad gets into corners and works detailed surfaces without altering the dimensions of the base material. Designed to run cleaner and longer than steel wool, this versatile pad is a useful item for any workshop. The Scotch-Brite™ Ultra Fine Hand Pad can be used right out of the box by hand, paired with a hand pad block, or run on an in-line sander for faster completion on larger areas. Suggested Applications Ultra fine finishing action outperforms steel wool for cleaning, blending, prepping and finishing on metal, wood, plastics and composites Cleans metal, composites, and other materials without altering the base material

Brand	3M
Model Number	7448
Product Dimensions	16.76 x 24.64 x 17.53 cm; 13.61 g
Material	Silicon Carbide
Special Features	Durable
Item Weight	13.6 g

Scotch-Brite Ultra Fine Hand Pad 7448-20 Count

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