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5’’ Sandpaper The best for Intarsia ? No Holes ….

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Forum topic by rustynails posted 11-16-2017 10:03 PM 173 views 0 times favorited 1 reply Add to Favorites Watch
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rustynails

721 posts in 2366 days


11-16-2017 10:03 PM

I am going to try to do some Intarsia and have ordered one of these: (TORQ R5 Rotary Backing Plate with Hyper Flex Technology, Red (5 Inch) to do the edge and shaping work and am wondering what is the best sandpaper to use on this type of plate? The backing plate is hook and loop but do to the angles I am putting on the wood / work pieces I am not sure of what kind lasts the longest and what kind of backer on the sandpaper is the best to use, as in reviewing they have a lot of different backing on the sandpapers (paper, cloth and so on).
Also, since I am not sure of how much of this I am going to do I am wondering if any company’s do a variety pack. Like 5 -10 sheets of every grit. 60, 80, 100, 120.
If I start to do more I would buy the larger packs of 40/50 sheets but since I am just checking it out I don’t want to order too much of the sandpaper as these would be a solid sheet with no holes for dust collection and would not work with my orbital sander that has dust collection.

Thanks

https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=2&cad=rja&uact=8&ved=0ahUKEwiB6cmoisTXAhXHz4MKHYp2C_0QFgg_MAE&url=https%3A%2F%2Fwww.chemicalguys.com%2FTORQ_R5_Rotary_Red_Backing_Plate_6_Inch_p%2Fbuflc_302.htm&usg=AOvVaw1ZL_v6C-_hwyCPbE9U55Ne


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madburg

193 posts in 679 days


#1 posted 11-17-2017 03:29 AM

You may already be aware of this, but I only discovered it a few months ago. Down here in Australia we can buy ‘sandpaper’ by grit number just as you indicate in your intro. What I found was that there are a few different interpretations of grit number. Of most significance is where the grit number includes a ‘p’. This is a European standard for Abrasives. The point is for example, that p400 is different in roughness to a straight 400 and is actually significantly rougher! So mixing p grades and none p grades can give you a surprise. You think you are moving down the grades, in terms of grit numbers when actually you may be going backwards!

So for what its worth, when buying make sure you stick to either p grades or straight numbers, don’t mix them!

You might want to read about micro-mesh ‘sandpaper’ and the internet. I have found it to be really excellent.

Somewhere on the micromesh website is a very good conversion chart showing the comparisons of roughness across the different standards. It gave me a surprise!

-- Madburg WA

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