Crown brand abrasive belt and emery cloth for narrow and wide belts (W: 4-1650mm max L: over 3m)

Nagatsuka Abrasive Mfg. Co., Ltd./ Crown Brand Coated Abrasives and Brush Rolls
         
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Emery cloth and abrasive belts

Z(zirconia)

Narrow belts (W: > 4mm)

Wide belts(W: < 1650mm , max L: over 3M)

Emery cloth for 2x72 belt grinder and 1x30 belt sander

"CROWN" coated abrasive belts are available in both stock and special sizes, offering over 83 different types of paper, cloth backings in a wide spectrum of grit ranges from which belt can be made. "CROWN" wide belts are popular especially with all the stainless steel makers.
œZ belts (zirconia) œA belts (alumina)
œC belts(silicon carbide) œOthers belts

œZ (zirconia) abrasive belts


Item ZRH-UZ ZRH-UZ
Type R(roll)AB(belt)
Abrasive media Z(zirconia)
Substrate PL65/Cotton35, Xwt
Adhesive R/R
Grit No. 24-36-40-60-80-100-120
Feature Zirconia type product with a top-coated activator. ZRHUZ is effective for the difficult grinding material, especially, stainless steels.
Application ZRH-UZ is effective for difficult grinding materials such as a stainless steel, aluminum and titanium alloy.

Item ZRH-U
Type B(belt), WB(wide belt)
Abrasive media Z(zirconia)
Substrate PL65/Cotton35, Xwt
Adhesive R/R
Grit No. 80
Feature Zirconia type product. It's specialized for grinding the stainless steels and high nickel materials. Especially, a wide belt (<1650mm width) of ZRHU is often used for removing scratches on coiled metal sheet at the coil-grinding line for as wet-grinding(in oil). We can make a max width of 1650mm, length of over 3m abrasive belt.
Application Coil grinding the stainless steels and high nickel materials by wide belt.

Item ZRH-E
Type B(belt), WB(wide belt)
Abrasive media Z(zirconia)
Substrate PL65/Cotton35, Xwt
Adhesive R/R
Grit No. 60-80
Feature Zr abrasieve dramatically enhance the product life on hevy grinding stainless steels. Wide belt with with of 1650mm are often used for coil grinding the 5 feet stainless steel coils.
We can make a max width of 1650mm, length of over 3m abrasive belt.
Application Stainless steel coil

Item ZRY-91
Type B(belt)
Abrasive media Z(zirconia)
Substrate PL65/Cotton35
Ywt
Adhesive R/R (resin)
Grit No. 24-36-40-60-80-100-120
Feature ZRY91 is developed for heavy grinding by using zirconia abrasive grain and the strongest backing substrate. It is suitable for removing the weld bead and for making a flap wheel.
Application ZRH-UZ is effective for difficult grinding materials such as a stainless steel, aluminum and titanium alloy.



œA (alumina) abrasive belts

Item ERH
Type R (roll), B (belt)
Abrasive media A (alumina)
Substrate Cotton Xwt
Adhesive R (resin)
Grit No. 40-50-60-80-100-120
-150-180-220-240-280
-320-400-500-600
Feature Standard resin-bonded grinding cloth product using alumina grits; widely used as original roll for flap wheels.
Application Grinding the common metals, glasses.
Grit No. of #500 and 600 is often used for pre-polishing for coating.

Item ERH-E
Type R (roll), B (belt), WB (wide belt)
Abrasive media A(alumina)
Substrate PL65/Cotton35,
Xwt
Adhesive R (resin)
Grit No. 24-30-36-40-50-60-80-
100-120-150-180-220-
240-280-320-400
Feature ERHE is widely used for grinding and polishing metals such as a carbon steel, stainless steel and nonferrous metals by belt grinding. Wide belt of ERHE is often used in coil grinding for stainless steels.
We can make a max width of 1650mm, length of over 3m abrasive belt.
Application Widely used for grinding and polishing metals and glass such as carbon steels, stainless steels, aluminum alloy, other non-ferous metals.

Item ERH-T
Type B (belt)
Abrasive media A(alumina)
Substrate PL65/Cotton35,
Xwt
Adhesive R (resin)
Grit No. 40-60-80-100-120
-150-180-240-320
Feature An activator is top coated. ERHT is suitable for difficult grinding materials such as stainless steel.
In the polishing of SUS304 (X5CrNi18-10) sink, a longer polishing life of 130-250% is achieved more than general abrasive belts.
Application Dry-grinding and -polishing for stainless steels


Item ERSE
Type WBiwide belt)
Abrasive media A (alumina)
Substrate PL65/Cotton35, Xwt
Adhesive R (resin)
Grit No. 60-80-100
Feature ERSE is used for removing scratches on a stainless steel sheet at the coil-grinding line for as wet-grinding(in oil). The grinding surface is mild. We can make a max width of 1650mm, length of over 3m abrasive belt.
Application Coil grinding for stainless steels

Item ERSE-B
Type WBiwide belt)
Abrasive media A (alumina)
Substrate PL65/Cotton35, Xwt
Adhesive R (resin)
Grit No. 80
Feature The backing substrate of ERSEB is stronger than that of ERSE. We can make a max width of 1650mm, length of over 3m abrasive belt.
Application Coil grinding for stainless steels

Item EWS
Type B (belt)
Abrasive media A(alumina)
Substrate PL65Cotton35,
Xwt
Adhesive WP(Water proof)
Grit No. 40-60-100-120-150
Feature Particularly for heavy grinding on wet-grinding condition for metals. It also used for carrier belt.
Application Wet-grinding for carbon steel, stainless steel, cast iron, Ti and Cu alloys.

Item EWSW
Type B (belt)
Abrasive media A(alumina)
Substrate PL65Cotton35,
Xwt
Adhesive WP(Water proof)
Grit No. 120-150-180
-220-240--320-400
-500-600-800-1000
Feature Long life type for wet grinding and polishing extra water proof. For grinding PC boards and press plates.
Application Wet-grinding for carbon steel, stainless steel, cast iron, Ti and Cu alloys.

Item ERJ
Type R (roll)AB (belt)
Abrasive media WA(White alumina)
Substrate Cotton, Xwt
Adhesive R (resin)
Grit No. 40-60-80-100
-120-150-180
-240-320-400
Feature Flexible grinding cloth using white alumina grit. ERJ is suitable for wood sanding and metal light grinding.
Application Wood sanding, light grinding for metal



œC (Silicon carbide)

Item CRS
Type R (roll)AB (belt)
Abrasive media C(Silicon carbide)
Substrate Cloth, Xwt
Adhesive R (resin)
Grit No. 60-80-100-120
-150-180-240
-320-400
Feature CRS consists of silicon carbide abrasives media. It is suitable for grinding and polishing the glass, non-ferrous metals, and finishing such as hair line and satin finish.
Application Dry- and wet-grinding for a cast iron, non-ferrous metals, glass, ceramics.

Item CRSE
Type B (belt), WB(wide belt)
Abrasive media C(Silicon carbide)
Substrate PL65Cotton35,
Xwt
Adhesive R (resin)
Grit No. 40-60-80-
100-120-180-400-600
Feature Wide range of multi-purpose applications as resin belts; Ordinary glasses,metals,alloys,non-ferrous metals and wood working. We can supply CRSE as the wide belt.
Application Dry- and wet-grinding for a cast iron, stainless steel, non-ferrous metals, glass, ceramics. Finishing for stainless steel.

Item CRS-F
Type B (belt)
Abrasive media C(Silicon carbide)
Substrate Cloth, Jwt
Adhesive R (resin)
Grit No. 100
Feature CRSF is flexible type products using silicon carbide abrasive medias.
Coarse grinding the non-ferrous, curved metals.
Application Copper alloys, curved metals such as a faucet, tap parts.

Item CRS-FE
Type B (belt)
Abrasive media C(Silicon carbide)
Substrate Cloth, Jwt
Adhesive R (resin)
Grit No. 100-120-150
-180-240-320
-400-500-600
-800-1000
Feature CRSFE is finishing grade of CRSF.
Application Finishing

Item Cork CRS
Type B (belt)
Abrasive media C(Silicon carbide)
Substrate Cloth, Xwt
Adhesive R (resin)
Grit No. 60-80-100-240
-320-400-500
-600-700-800-1000
Feature Cork grit, which coated by fine abrasive medias, is bonded to the substrate. As cork generate the buffer action, these kinds of products shows long life. The grinding surface shows the metalic luster.
Application Pre-grinding for metalic coating.
Removing the light scale on the stainless steel, and burr of plastics, resins and composites.

Item Cork CRS(E)
Type B (belt)
Abrasive media C(Silicon carbide)
Substrate Cloth, Xwt
Adhesive R (resin)
Grit No. 80-120
Feature Coated cork grits are used. Removing the scales on Ti alloys and carbon steel.
Application Removing the scales on Ti alloys and carbon steel.

Item C Cork soft
Type B (belt), WB(wide belt)
Abrasive media C(Silicon carbide)
Substrate Cloth, Xwt
Adhesive R (resin)
Grit No. 240-400-600-800-1000
Feature Extra fine finishing belt.
Application Extra fine finishing for metals.
Cork #1000 have been used for Multi Layer PCB for High End Telecom Facility/Probe Card for Semi Conductor.



œOthers

Item Felt belt
Type B (belt)
Abrasive media Non
Substrate Cloth, Xwt
Adhesive R (resin)
Grit No.  -
Feature Felts are bonded to strong substrate. For finish polishing for showing the metalic luster. This product do not include abrasive media. Use this belt with additional abrasive grits like a buff polishing.
Application Finishing and buffing.

Nagatsuka Abrasive Mfg. Co., Ltd.
Address: 1-5-37 Rokumanji-cho, Higashiosaka-city, Osaka, 579-8061, Japan
TEL: +81-729-82-3001
ISO9001:2008 ISO14001:2004
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