Opinions on how to accurately price 2004 vintage Simax tubing

[theLostglassStudio]

Hi, long-time lurker and highly skilled novice from San Diego. I admire and often lean on the information everyone generously contributes when creating content on this site. Many thanks.

I have about 5 cases of 04/05 simax tubing and I'm looking to get rid of at a price that's fair for everyone involved.

My understanding is that some years of clear are better than others: and some years are kind of crud, while others perform very well.
Does anybody know anything about the clear produced by them at this time? I'd hate to sell overpriced garbage, or my grandkids college fund for the current rate of new simax.

Any information, opinion, or experience would be welcome as well as significantly groovy.

I have a case or two in each of these sizes:

65 x 5
50 x 5
44 x 4.8

Thanks!

Made me think there should be a real discussion about the value of clear, color, and brand over time... what with the cadmium scare/hype and the likes.

[Swim]

send me some and I will tell you what I think

[snoopdog6502]

$4.50-$5.00 a pound, without some chemical analysis certification to make it special its just old glass. Nice glass but just plain old glass.

[hashmasta-kut]

Not that old. I have some Simax from I'd guess the 80's.

[istandalone24/7]

it's worth the going rate for clear, assuming it's not scratched to hell and back (old glass).

[theLostglassStudio]

I kind of figured it was a long shot... and if it was particularly good then it would be vocally remembered by a few folks. I guess consistent quality control is my adversary here(ha). Maybe in 20-30 years it would appreciate if the process for the industry was to change enough.

These sizes are commonly used for making lined tubing though right? The real value would be how if it "might" react with fuming, otherwise it's just clear.

[labrie]

I have held onto a few sticks of 1" pyrex rod manufactured in the states early 80's. It is clear as water (well almost compared to today's glass),very little yellow or green tint. Looking it at end to end with a back light I use it to compare the color of new simax, kimbal, or pyrex, prior to sculpting for my clients. Some do not mind the color others remember or have samples from years back and need the clarity. I think the clarity became an issue when the EPA forced the manufactures to go to electric furnaces rather then gas. Some of the chemicals are no longer burned off to offgas up the flue and become part of the batch. Not to belabor the point some glass is better depending on the date of manufacture. So lostglassstudio have a lamper work a tube and get an opinion from them, you may have a gold mine, or just old glass.

[labrie]

What I failed to mention in my last post is I would pay a premium for that clarity. So it does have a value to lampworkers in certain situations.