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Plastic abrasive sheet

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Raymond Ascroft03/12/2009 20:31:08
11 forum posts
 

Could someone identify an abrasive sheet I obtained about twenty years ago please. It is on a thin plastic film similar to acrylic is a pale blue colour and the abrasive is more of a polish grade than an abrasive a lot finer than 1200 wet & dry. I think it was made before diamond dust became widely used.

Martin W04/12/2009 00:13:46
940 forum posts
30 photos
Ray
 
I don't think this is the answer you are looking for but Crocus Paper was a very fine polishing grade abrasive but as expected on a paper backing rather than plastic but hey it was blue.
 
Cheers
 
Martin
Raymond Ascroft04/12/2009 17:38:43
11 forum posts
Hi Martin
 
Thanks for that, I have the dark brown Crocus Paper on a cloth roll similar to emery cloth but the plastic sheet gives a better polished finish and the surface texture is different to Crocus Paper unfortunately I have only a small square of the plastic left
 
Regards
 
Ray
Martin W10/12/2009 17:11:08
940 forum posts
30 photos
Ray
 
Again probably not the answer but 3M do a product they call Microfinishing Film Sheets. As far as I can see these product either come with a backing material for fitting to powered tools or in sheets. I have tried to copy their description from the 3M data sheets.
 
 
Cheers
 
 
Martin
 
3M™ Microfinishing Film, 266L PSA Sheets
Micron graded aluminum oxide resin bonded to a 3 mil polyester film backing. Open coat abrasive surface is coated with a dry lubricant to resist loading. Sold as discs & sheets with pressure sensitive adhesive (psa) backing.
3M™ Microfinishing Film, 268L PSA Sheets
Micron graded aluminum oxide resin bonded to a 3 mil polyester film backing. Sold as discs & sheets with pressure sensitive adhesive (psa) backing. Use wet or dry for finishing a wide assortment of workpieces.

 

Edited By Katy Purvis on 01/06/2015 12:19:52

Raymond Ascroft17/12/2009 20:45:19
11 forum posts
Hi Martin
 
Have been in touch with local tool supplier he is going to source a trial sheet 468l silicon carbide sheet, the psa backing should make it easier to use on an old surface plate will let you know how it goes .many thanks
 
regards
 
Ray

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