Norton introduces a new abrasive range for centerless coil and glass polishing. W448 is made from aggregate technology where cork and silicon carbide grains are precisely structured and engineered to size, to create a consistent surface finish with improved belt life.

1. W448
POLISHING BELTS
A NEW STANDARD IN CENTERLESS,
COIL AND GLASS POLISHING

2. www.norton.eu
Saint-Gobain Abrasifs
European Headquarters
Rue de l’Ambassadeur - B.P.8
F78702 Conflans Cedex
France
Tel: +33 (0) 134 90 40 00
Fax: +33 (0) 134 90 43 87
Norton is a registered trademark of Saint-Gobain Abrasives.
Form # 2842
Features
• Improved backing- Y weight polyester
• New resin bond system
• New combination of SiC / Cork grains
• Grit availability - P120, P320, P500, P1100, 0 grit
Benefits
• Waterproof and tear resistant
• Longer belt life
• Better finish with improved life time
W448 POLISHING BELTS
Norton W448 belts use new, patent pending aggregate grain technology,
with precisely structured and engineered sized Cork and Silicon Carbide
(SiC) grains to provide a more consistent finish and longer life.
W448 belts deliver high yields, reducing rework, providing significant
cost savings and a better work piece finish, representing the new
standard in centerless coil, and glass polishing.
Norton product: 230 x 3000 Norton W448 P1100 belt
Competitor product: Silicon carbide P1100 belt
Application: Titanium bar polishing
Machine: Single-head centerless polisher
Results: Consistent cut and finish; reduced cost per part by 50%
Case Study 1
Norton product: 150 x 2500 Norton W448 P500 belt
Competitor product: Silicon carbide P600 belt
Application: Stainless steel tube polishing
Machine: Two-head centerless polisher
Results: Consistent finish; 25% longer life than competitor belts
Case Study 2
products APPLICATIONS P24 P36 P40 P50 P60 P80 P100 P120 P150 P180 P220 P240 P320 P400 P500 P600 P800 P1100 P1200 P1500 P2000 0 GRIT
BEST
Norton Viking R996
High performance ceramic grain
for the highest cut rates
BEST
Norton Aggregate R279
Engineered abrasive for a
consistent finish and longer life
BETTER
Norton W448
High performance silicon carbide
grain with a consistent finish and
longer life
GOOD
Norton R293
Good performance aluminium
oxide with an excellent cost benefit
performance ratio per part
A complete solution, from stock removal to SURFACE finishING
NUMBER OF PARTS POLISHED
Surface Finish Consistency*
* All parts were pre-ground with P240 grit product.
Norton W448 P500
DEVIATIONFROMMEANSURFACEFINISH
(MICROMETERS)
0.125
10 15 20 25 30 35 40
Competitor 2 P600
Product base line
0.1
0.075
0.05
0.025
-0.025
-0.05
-0.075
0
Competitor 1 P600
Available grit Available grit
RESULTS
NORTON W448 shows a consistent
surface finish throughout
COMPARED TO COMPETITOR BELTS,
WHO’S SURFACE FINISH WAS
INCONSISTENT THROUGHOUT THE
APPLICATION.