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#1
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Flex-I-Grit Sanding Film
Anyone familiar with Flex-I-Grit??
I need help identifying the sheets. A (long) while ago, I bought a package of Flex-I-Grit sanding film, made by K& Engineering Co. at Micro-Mark. There are 5 sheets with grits from 23 micron down to .5 micron (equivalent to 10,000 grit). They are made from silicon carbide, aluminum oxide, cerium oxide and chromium oxide. Problem is that I can't figure out which sheet is what grit! The sheets are black, light gray-beige, beige, dark gray, green. The package does say 23 ALO and 8 Sil & 23 Sil, so I figure the Aluminum oxide is 23 micron grit and the Silicon carbide comes in two grits. But I still can't figure out what color is what material is what fineness. I think I can tell which is the roughest but cannot grade the others. (Also, is there a difference in the 23 micron ALO and the 23 micron Silicon carbide?) I have a posting from 1996 about using sandpaper in tumblers that mentions some industrial sandpaper and give the color coding, but that doesn't match what I have. The glass attic page on sanding alludes (I think) to these sanding films but offers no info on what colors match what size. BTW, I've searched Web sites - mostly hobby/model shops - that carry Flex-I-Grit and none that I saw provide this information. Also, I requested this info from K&S without any response. (I think they figured that if I can't tell the difference between a sheet of Aluminum oxide and Cerium Oxide, I'm not worth talking to.) So... if anyone can help me out on this one, thanks. --- Irwin P.S. The sheets are not expensive; it's just that I really want to see what sanding with the equivalent of 10,000 rit looks like! |
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#2
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I'm surprised that the grit isn't written on the back of the sheets. Usually
that's where it's written. Dawn Stubitsch http://www.thumbprintkids.com http://www.thumbprintkids.com/pages/caketoppers.html "Irwin" wrote in message om... Anyone familiar with Flex-I-Grit?? I need help identifying the sheets. A (long) while ago, I bought a package of Flex-I-Grit sanding film, made by K& Engineering Co. at Micro-Mark. There are 5 sheets with grits from 23 micron down to .5 micron (equivalent to 10,000 grit). They are made from silicon carbide, aluminum oxide, cerium oxide and chromium oxide. Problem is that I can't figure out which sheet is what grit! The sheets are black, light gray-beige, beige, dark gray, green. The package does say 23 ALO and 8 Sil & 23 Sil, so I figure the Aluminum oxide is 23 micron grit and the Silicon carbide comes in two grits. But I still can't figure out what color is what material is what fineness. I think I can tell which is the roughest but cannot grade the others. (Also, is there a difference in the 23 micron ALO and the 23 micron Silicon carbide?) I have a posting from 1996 about using sandpaper in tumblers that mentions some industrial sandpaper and give the color coding, but that doesn't match what I have. The glass attic page on sanding alludes (I think) to these sanding films but offers no info on what colors match what size. BTW, I've searched Web sites - mostly hobby/model shops - that carry Flex-I-Grit and none that I saw provide this information. Also, I requested this info from K&S without any response. (I think they figured that if I can't tell the difference between a sheet of Aluminum oxide and Cerium Oxide, I'm not worth talking to.) So... if anyone can help me out on this one, thanks. --- Irwin P.S. The sheets are not expensive; it's just that I really want to see what sanding with the equivalent of 10,000 rit looks like! |
#3
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Sorry Irwin I can't answer your questions, but it did raise a few of my own. You might look to see if the mfg'er has a website, if so they should be able to tell you more about their product. What is "Flex-I-Grit"? I have never heard of it before. Is it better then plain old automotive wet/dry sandpaper? Is it reusable or something? eliquint "Irwin" wrote in message om... Anyone familiar with Flex-I-Grit?? I need help identifying the sheets. A (long) while ago, I bought a package of Flex-I-Grit sanding film, made by K& Engineering Co. at Micro-Mark. There are 5 sheets with grits from 23 micron down to .5 micron (equivalent to 10,000 grit). They are made from silicon carbide, aluminum oxide, cerium oxide and chromium oxide. Problem is that I can't figure out which sheet is what grit! The sheets are black, light gray-beige, beige, dark gray, green. The package does say 23 ALO and 8 Sil & 23 Sil, so I figure the Aluminum oxide is 23 micron grit and the Silicon carbide comes in two grits. But I still can't figure out what color is what material is what fineness. I think I can tell which is the roughest but cannot grade the others. (Also, is there a difference in the 23 micron ALO and the 23 micron Silicon carbide?) I have a posting from 1996 about using sandpaper in tumblers that mentions some industrial sandpaper and give the color coding, but that doesn't match what I have. The glass attic page on sanding alludes (I think) to these sanding films but offers no info on what colors match what size. BTW, I've searched Web sites - mostly hobby/model shops - that carry Flex-I-Grit and none that I saw provide this information. Also, I requested this info from K&S without any response. (I think they figured that if I can't tell the difference between a sheet of Aluminum oxide and Cerium Oxide, I'm not worth talking to.) So... if anyone can help me out on this one, thanks. --- Irwin P.S. The sheets are not expensive; it's just that I really want to see what sanding with the equivalent of 10,000 rit looks like! |
#4
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Flex-I-Grit is a sanding film - flexible plastic backing with abrasive
particles glued on. It's not necessarily better than good ol' automotive wet/dry sandpaper, but it comes in finer grits. I think it may also last longer than sandpaper. If you want more information, check the product listing at micromark.com. The films I have are the microfine assortment. (The films come in "regular" grits too). Anyway, I did do some testing and figured out the "ranking" of the films, although I don't know their actual grit equivalent. If anyone's interested, I can email my findings. BTW, I did look t K&S's Web site; I couldn't find the info I wanted, and they did not respond to my email. --- Irwin |
#5
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There are 5 sheets with grits from 23 micron down to .5 micron (equivalent to 10,000 grit). They are made from silicon carbide, aluminum oxide, cerium oxide and chromium oxide. Problem is that I can't figure out which sheet is what grit! I have had this problem with wet/dry sandpaper because the sheets only have the grit number in a few places. If I have cut the sheet up into smaller pieces the piece I want to use often doesn't have the grit number on it. What I do now is write the grit number all over the back of each new sheet with a waterproof pen. T -- Robert Houghtaling Sculpture and Design http://www.houghtalingsculpture.com The Figgy Mountain Frogery http://www.frogart.com hen it doesn't matter if it's just a partial sheet. Don't know why the manufacturer doesn't do this. guess they think everyone uses full sheets. |
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