Glue mixing sheets

Found these whilst perusing ebay for dentists to mix their stuff on.
I thought they'd be cheaper than the thinners I use to clean my board after epoxy mixing 75mm or 3" square $2-76 Au for 50 sheets and free post.

https://www.ebay.com.au/itm/50-Sheets-dental-disposable-mixing-pads-bounded-on-2-side-dycal-rootJC/223222394583?ssPageName=STRK%3AMEBIDX%3AIT&var=522018511146&_trksid=p2057872.m2749.l2649

Interesting Damien, but I've always used scrap cardboard from boxes - the printed side usually. Use it and throw it 

Barrie

Il'd have to agree with Barrie on this one using some scrap card or paper is by far the Cheapest method for glue mixing..

That said i do have a glue mix slab which is made of silicon ( cooking section in B&M ) which cost me a quid a few years ago... 

Once the glues dry just give the the board a flex and the remaining glue pops right off for the bin..

Generally i don't use it as i've found that if you done quite grab all the glue during mix up your left with unmixed stuff that just spreads about the mat and is generally a pain in the ass to clean up where as a bit of card once done just fold up and bin..

The Silicon mat is however really handy now for mixing up P38 on!

My shed has no room left for storing old bits of anything unfortunately.

I use the tops opf spreadable butter and margarine tups, and then throw away when all surface area used, lol.