Sandpaper
Technical Notes
Sections:
Sandpaper
Alpha® Sandpaper discs consist of a waterproof hook and loop backed material
combined with a silicon carbide abrasive, which is the perfect combination for use on
marbles and softer types of natural stone. Marble fabricators find Alpha® Sandpaper
to be effective and durable. Tile contractors find Alpha® Sandpaper to be very
adaptable to onsite work and easy to use. Restoration workers can polish wide areas
quickly without difficulty. Alpha® Sandpaper resists clogging when used wet, thus
extending the life of the disc. The discs can be used dry if necessary and are very
durable. The hook and loop backing makes disc changes simple. Silicon Carbide is
the abrasive of choice for sanding and polishing marble, travertine, terrazzo and
onyx. Alpha® Sandpaper can also be used to polish glass, metal and wood. Used
with our standard backer pads, our Twistouch backing system or the GV5000 backer
pad, Alpha® Sandpaper is sure to give you the best results. For an extra high glossy
finish, use the Alpha® Felt Wheel with a buffing compound to finish the polishing
process.
Part No.
Size
Type
Grit
Qty
MP40080
4"
Hook & Loop
80
50
MP40120
4"
Hook & Loop
120
50
MP40240
4"
Hook & Loop
240
50
MP40320
4"
Hook & Loop
320
50
MP40400
4"
Hook & Loop
400
50
Hook & Loop
500
50
50
MP40500
4"
MP40600
4"
Hook & Loop
600
MP40KIT
4"
Hook & Loop
Assortment
50
MP50080
5"
Hook & Loop
80
50
MP50120
5"
Hook & Loop
120
50
MP50240
5"
Hook & Loop
240
50
MP50320
5"
Hook & Loop
320
50
MP50400
5"
Hook & Loop
400
50
Hook & Loop
500
50
50
MP50500
5"
MP50600
5"
Hook & Loop
600
MP50KIT
5"
Hook & Loop
Assortment
50
SMP40080
4"
Hook & Loop
80
5
SMP40120
4"
Hook & Loop
120
5
SMP40240
4"
Hook & Loop
240
5
SMP40320
4"
Hook & Loop
320
5
SMP40400
4"
Hook & Loop
400
5
Hook & Loop
500
5
600
5
SMP40500
4"
SMP40600
4"
Hook & Loop
SMP50080
5"
Hook & Loop
80
5
SMP50120
5"
Hook & Loop
120
5
SMP50240
5"
Hook & Loop
240
5
SMP50320
5"
Hook & Loop
320
5
SMP50400
5"
Hook & Loop
400
5
SMP50500
5"
Hook & Loop
500
5
Hook & Loop
600
5
SMP50600
5"
Document # 6600 - Rev.-November 2010
www.alpha-tools.com
- How to Use
- Frequently Asked
Questions (FAQs)
- Helpful Hints
- Reference
Page 1 of 2
How to Use
Cut work piece to size
Shape the edge of the stone using the Alpha® Profilers, Alpha® Profiler Wheels, Alpha® Grinding/Shaping Wheels or
Alpha® Router Bits.
Select the tool and whether to use the Alpha® Sandpaper for wet or dry.
After you have shaped the edge of material, start with the 80 grit sandpaper to remove any deep scratches, then
proceed to use the remaining grits (120, 240, 320, 400, 500, and 600) to fully polish the material.
Frequently Asked Questions (FAQs)
On what materials can I use the Alpha® Sandpaper?
Alpha® Sandpaper can be used for marble, onyx, travertine, terrazzo, limestone and ceramic tile.
Can I use the Alpha® Sandpaper on granite?
Alpha® does not recommend using sandpaper to polish granite. For granite polishing we recommend our Alpha®
Ceramica or Ceramica EX polishing discs.
Can the Alpha® Sandpaper be used dry?
Yes. However, the special advantages of long life, dust control and high-quality finish may be defeated by the
elimination of water.
Can the paper be re-used?
Yes. The Alpha® Sandpaper can be reused until it reaches the end of its life.
What sizes are available for the Alpha® Sandpaper?
Alpha® Sandpaper is available in 4” and 5”.
How does the product come packaged?
Alpha® Sandpaper comes in case packs of 50 sheets for all 7 grits or as an assortment pack. Also, for smaller jobs, we
now offer 5 packs of each grit. See chart on Page 1 for part numbers.
What type of tool is recommended for the wet use of Alpha® Sandpaper?
We suggest the Alpha® AWP-158, VSP-110 or AIR-658 center water-feed polishers for WET USE applications.
What type of power tool do you recommend for dry polishing?
Alpha® provides backer pads for the Makita GV5000 Sander/Polisher. These special 8mm threaded backer pads are
available in 4” and 5” and used together with our Sandpaper will achieve a successful polish on your material for dry
use applications.
How do we attach the sandpaper to these tools?
Alpha® Sandpaper has hook & loop backing which attaches to our Alpha® Backer pads for quick and easy changes.
Helpful Hints
● Sandpaper is available for wet and dry use.
● Sandpaper is very aggressive; keep moving to avoid hollowing out the stone.
● Wash off the discs to clean off any stone slurry. This will allow the sandpaper to work faster and last longer.
Reference
For more product information, visit us on the web at www.alpha-tools.com.
Document # 6600 - Rev.-November 2010
www.alpha-tools.com
Page 2 of 2
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