Question 1

Are these authentic 3M pads sold in the box?

Accepted Answer

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.

Question 2

What is it made out of?

Accepted Answer

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.

Question 3

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

Accepted Answer

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

Question 4

what is the sandpaper grit equivalent of this grey pad?

Accepted Answer

Grey scuff pad is equivalent to 800/1000 grit.

Space City Auto Color

3M 5304 Scotch-Brite 7448 Hand Pad, Sulfn Grey, 155mm x 225mm, Pack of 20

Detalles

Descripción

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