Sandpaper

[whiskywill]

I came across this on a well known internet auction site. What are those grades? Are they something from the distant past that I have missed?
http://www.ebay.co.uk/itm/Sandpaper-san ... 460cc075e2

 

[Phil Pascoe]

Yes, they are an obsolete grading system. The paper itself is perfect for the bottom of a budgie cage.

 

[Nick Gibbs]

I'd forgotten those grades. How things have changed! It's amazing what we used to accept as sandpaper. The poor budgie!!!

Nick

 

[Cheshirechappie]

I remember that stuff when I was growing up. It shed grains of sand much faster than it abraded wood. Five minutes vigorous rubbing, and you had a perfectly smooth piece of paper.

 

[Phil Pascoe]

5 minutes? You jest with me.

 

[Cheshirechappie]

OK, OK - maybe I exaggerated a bit. Three minutes.

 

[whiskywill]

Thanks for the info. So how old would that sandpaper be?

 

[Sheffield Tony]

I remember that stuff when I was growing up. It shed grains of sand much faster than it abraded wood. Five minutes vigorous rubbing, and you had a perfectly smooth piece of paper.

Have you tried the "Titan" stuff Screwfix stock recently ? It is much the same, except that it sheds reddish brown grit that embeds itself in, and discolours, the wood you're working on. Worse than useless. To think they replaced the quite good Mirka line with that rubbish.

 

[Random Orbital Bob]

I love the idea of the company that advertised that sand paper on e bay. They were called loft jockeys. They clean out your garage if you can't be bothered and bung it all on eBay. What a great concept

I'm gunna start a company called junk jockeys and compete with them!

 

[Cheshirechappie]

Thanks for the info. So how old would that sandpaper be?

1970s or earlier, I think. The same grading system used to be used for engineer's emery cloth - again, from about the same era. I'm not sure when the changeover to 120/240/320 etc happened; early '80s, perhaps?

 

[Cheshirechappie]

I remember that stuff when I was growing up. It shed grains of sand much faster than it abraded wood. Five minutes vigorous rubbing, and you had a perfectly smooth piece of paper.

Have you tried the "Titan" stuff Screwfix stock recently ? It is much the same, except that it sheds reddish brown grit that embeds itself in, and discolours, the wood you're working on. Worse than useless. To think they replaced the quite good Mirka line with that rubbish.

Not tried 'Titan', and since your description of it's qualities, I won't bother! I'd agree about Mirka abrasives though. I've a longish roll of 100 grit that seems to hold it's cutting qualities for ages, and doesn't shed it's grit. Super stuff.

 

[Phil Pascoe]

Yes, I've a roll of the 100 grit black Mirka - excellent stuff.

 

[marcros]

what does the grit number mean- is it number of pieces per square centimetre or something along those lines?

 

[Cheshirechappie]

what does the grit number mean- is it number of pieces per square centimetre or something along those lines?

http://www.woodturners.org/tech_tips/mi ... rading.pdf

Make of that what you will...

 

[marcros]

thanks. more to it than i realised!

 

[bugbear]

I remember that stuff when I was growing up. It shed grains of sand much faster than it abraded wood. Five minutes vigorous rubbing, and you had a perfectly smooth piece of paper.

:lol: :lol:

Agreed - modern abrasives are easy to take for granted, but the "old guys" would have been astounded.

BugBear

 

[riclepp]

eeek, I got some titan somewhere in the workshop....hmmmmm best I bin it me thinks.....