Sandpaper

By: Malory Patchell and Melissa Regalado

What is sandpaper?

Sandpaper is paper that

has an abrasive material

stuck to it and it’s used to

smooth or polish

surfaces, like wood.

What is grit?

The grit on sandpaper

refers to the size of the

abrasive material that is

stuck to it. The lower the

number of the sandpaper

grit, the coarser the grit

grade will be.

The

sandpaper

we are

using with

the palm

sander is

60 grit

sandpaper

There are different ranges

in grits measured in

micrometers:

Macro grits and Micro grits

Macro Grits-1815 to 66 micrometers

Extra Coarse-

24, 30, and 36

Coarse-

40, 50, and 60

Medium-

80

Fine-

100 and 120

Very Fine-

150, 180, and 220

Micro Grits-58.5 to 8.4 micrometers

Very Fine-

240

Extra Fine-

360 or 320

Super Fine-

400, 500, and 600

Ultra Fine-

800 and 1000

Cites

http://www.doityourself.com/stry/a-complete-

guide-to-sandpaper-grit-classification#b