How to Choose the Right Sandpaper For Your Work

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How to Choose the Right Sandpaper For Your Work
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WHAT IS SANDPAPER?
Sandpaper is sheet coated with abrasive, meaning
it's made up of some abrasive "grain," which is
affixed to some quiet backing often paper,
cloth, plastic, or maybe foam sponges or mesh.
There may or might not be other added fillers or
coatings, like stearation.
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HOW TO CHOOSE THE RIGHT SANDPAPER?
These days, there are several sorts of abrasive
materials used on sandpaper products, including a
couple of natural rocks/minerals and a couple of
synthetic substances, manufactured in labs, each
with its advantages and drawbacks.
SANDPAPER GRIT SIZE
For choosing suitable sandpaper, manufacturers
identify a coarseness level. It is essentially a
variety of grit sizes that are similarly
effective for equivalent sanding work.
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SANDPAPER GRIT SIZE
EXTRA COARSE SANDPAPER
The 24- to the 36-grit range is hard stuff. It's
used for removing paint and polish that you think
might never come off. The sanding of old floors
can also require the abrasiveness of additional
coarse sandpaper.
COARSE SANDPAPER
It's suitable for rough shaping of wood and,
therefore, removing previous finishes, like light
coats of polyurethane. Coarse grits are typically
within the 40- to 50-grit range.
MEDIUM SANDPAPER
Starting from 60- to 100-grit, accommodates some
final shaping. Primary sanding of rough wood and
therefore removing designing marks on wood is
usually best through with medium-grit sandpaper.
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SANDPAPER GRIT SIZE
FINE SANDPAPERS
It ranges from 120- to 220-grit. For many home
workshops, this sandpaper will suffice for final
sanding before the work is finished.
EXTRA FINE SANDPAPER
It is usually used for sanding paint or varnish.
Very fine sandpaper has grit sizes of 240, 320,
or 400, while superfine sandpaper features grits
of up to 600, which are best suited for polishing
jobs.
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SANDPAPER ABRASIVE MATERIAL
Not only does the density of sandpaper grit make
a difference in the success of your sanding
project, but the abrasive does, too. Some grit
grains are better suited to smooth and sand types
of materials (wood versus metal, for example).
FLINT
A natural grain, flint is durable and compatible
for sanding off surface products, like old
varnish or paint.
EMERY
A natural grain, emery sandpaper is most
frequently used for removing corrosion and
polishing steel and other metals. The sides of
its particles are often too sharp for sanding
wood.
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SANDPAPER BACKING MATERIAL
Sandpaper was originally backed with paperhence
the namebut lately, you'll also find it backed
with fabric or film, which helps make it
longer-lasting. Fabric-backed sandpaper is often
used dry or wet.
PAPER
If the material needs flexible sanding, then
choosing a lighter weight paper is a better
choice. However, paper with a heavier weight is
more robust and fewer likely to tear.
CLOTH
Cloth-backed sandpaper is used for dry sanding
operations and is ideal for heavy material
removal. It is often suitable for tearing into
strips and for using for contours, like stair
spindles.
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