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22nd August 2010, 07:35 PM #1Member
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Closed-coated aluminium oxide 'sandpaper'
In his book The Perfect Edge Ron Hock recommends using closed-coated aluminium oxide sheets for lapping steel.
He says it comes coated on Mylar film, and can be PSA backed if you want it to be self-adhesive.
Closed-coated means the film/paper is almost totally covered in abrasive grains; for lapping there is no need for open spaces in the abrasive to accommodate the removal of dust. Closed-coated apparently does a better job than open-coated and stays sharp longer.
Does anyone know where this product is available in Australia?
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22nd August 2010 07:35 PM # ADSGoogle Adsense Advertisement
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22nd August 2010, 09:27 PM #2
The Paper.
Hi MarkInBoatshed,
I am not sure about this, but TTIT. Vern uses some really great Paper.
Called, Rhynowet Redline, & made by Indasa from Portugal.
I was lucky enough, for Vern to send me a couple of sheets.
It is Magnificent on wood, but really made for the Smash Repair Game.
Regards,
issatree.Last edited by issatree; 22nd August 2010 at 09:28 PM. Reason: Wrong User Name.
Regards,
issatree.
Have Lathe, Wood Travel.
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22nd August 2010, 10:07 PM #3Taking a break
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If the Rhynowet is anything like the Rhynodry I'd take it. We use Rhynodry at work and it's great.
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28th August 2010, 01:03 PM #4Hewer of wood
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28th August 2010, 01:27 PM #5Member
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Thanks gentlemen for your helpful answers.
rsser, thanks I will use Abrasiflex next time because their website says they have Alox rolls closed-coated.
Meanwhile, I had tracked down Indasa products and ordered sheets of Rhynowet Redline in 6 different grits.
Importer is in Perth:
LYNFURN AUST
[email protected]
08 9240 2882.
To get an idea of what you might want, visit the USA website:
Welcome to the Indasa USA Web Catalog
bearing in mind Lynfurn do not import every Indasa paper.
At Lynfurn, Marie was very helpful; if you get Geoff the sales guy, even more knowledgable.
They have their own shorthand lingo for the papers, which makes the papers a bit hard to differentiate but they are very helpful, so persist.
Lynfurn will advise you where to buy the papers in whichever state. In Sydney, I ordered from Autolac, who have 5 branches, check out their website.
Autolac are suppliers for panel beaters, so do not carry Rhynowood; if you want sandpaper for wood, ask Lynfurn.
Cheers
Mark
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28th August 2010, 01:54 PM #6
The Rhynowet Redline.
Hi Mark,
You will certainly not be disappointed. This is the best S/Paper you will ever use.
Most likely use the Hermes 406 J Flex - Blue with a yellow cloth back to 240 G.
Then finish off with the RW/R to 1000G. Magnificent.
To elanjacobs. I have tried The Dry, it doesn't even come close to the Wet.
When using this Paper on Turned Wood, you just wipe it on your Coveralls, & it is clean again.
It really lasts a looonnnggg, time.
I cut mine across the 9in., & about 1 1/2in wide. -- 230mm. x 40mm.& fold it in half.
Great Stuff. I think it runs out to about 55 cents a A4 Sheet.
I have to thank TTIT - FNQ. for the few sheets he sent me.
Regards,
issatree.Regards,
issatree.
Have Lathe, Wood Travel.
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28th August 2010, 02:23 PM #7Hewer of wood
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I haven't read through all the guff on websites but Rhinowet/dry do not seem to be intended for metal abrasion which is what the OP asks about. That's not to say it won't work.
For lapping I've used plain Alox sheets (open coat) from Bunnies. I appreciate that closed coat should give more bang for your buck and that could be of value to reduce the frequency with which you have to replace the sheets eg. on plate glass.Cheers, Ern
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28th August 2010, 02:47 PM #8
I already have reasonable quality papers up to 400 grit, but anything beyond that I tend to just pick up whatever is available locally (and am usually disappointed with it....)
Using the Rhynowet Red Line papers on hardwood, what is a reasonable progression from 400 grit?? Do you need to go 600, 800, 1200 for example, or can you get away with 800 then 1200?
I'd never go beyond 1200 for any application, just curious to know the best way to get there. Different brands of paper work in different ways, so I realise there is no universal answer to this question.
Cheers
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28th August 2010, 03:16 PM #9Hewer of wood
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Mr B, with woodturnings, I mostly use W&D, 400, 600, 800, 1200. In the case of many dense woods a polish is already happening at 400 and then just another grit or two will satisfy an obsession.
But the OT was about metal.Cheers, Ern
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