The products

The dry half

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Tungsten electrodes Which makes a tube the right object Welding tips and nozzles Solder Flux is the one that is both What the dry half actually needs And a lid that seals on the land The archetype is wrong for all three Which is worth saying rather than hiding And it is a repeat sale References

Three of the nine leaves store a part, and contamination is the failure.

Tungsten electrodes

Ground to a point, used at a precise length, and ruined by being handled or rattled against each other. They want individual separation more than they want a sealed container.

Which makes a tube the right object

And this shelf has one tube. For electrodes the honest answer is that the format the job wants is barely represented here, and a straight sided jar is the substitute.

Welding tips and nozzles

Consumables in several sizes that look similar and are not interchangeable. The requirement is sorting and labeling, which is a jar with a clear wall and a lid that stays on.

Solder

Spools and sticks, with the flux core being the part that degrades. Keep it dry and away from heat and it keeps for years; leave it in a humid shop and the joints get worse before anybody blames the solder.

Flux is the one that is both

A liquid or paste with a real chemistry, hygroscopic, and often acidic. It sits with the dry parts in the workflow and with the liquids in every other respect.

What the dry half actually needs

A tight lid, a clear wall, a flat base and a label. 219 jars on this shelf, 110 of them PET single wall and 24 glass straight sided.

And a lid that seals on the land

27 dome lids and 19 lug and twist. A lid that seals only on the thread lets humidity in slowly, which is exactly the failure mode here.

The archetype is wrong for all three

Narrow mouth, poured, chemical resistance. None of that describes storing a part, and a reader arriving at this group for electrodes gets a shelf built for solvents.

Which is worth saying rather than hiding

The jars are a genuine answer and the tubes and compartment boxes this half of the craft wants are not on the shelf. Two sentences of honesty beat a page of positioning.

And it is a repeat sale

A shop that organizes its consumables once buys the same jars again for the next bench. The dry half is less regulated and more habitual.

References

The archetype behind this shelf is ind-chemical: 100 to 20,000 mL, narrow mouth, HDPE and glass, light sensitive, child resistant, poured, with "chemical resistance is the entire decision, check the resin chart first" as its stated reason. All nine leaves sit on it, including the three that store dry consumable parts rather than a liquid.

The Davis Pack Supply catalog, measured 18 October 2026. The shop consumables shelf is 1,389 rows: 750 containers and 639 closures. 10 mL to 9,464 mL with a median of 120; 85 containers over a pint, 23 over a quart, 3 over a gallon and none over five gallons. 390 PET, 156 HDPE, 127 glass, 76 PP and 1 LDPE, and no metal containers or safety cans. Of the 127 glass containers, 6 are over a pint. 510 bottles, 219 jars, 16 tubs and pails, 4 jugs. 134 amber or dark amber. Closures: 373 continuous thread, 43 dropper assemblies, 39 child resistant, 36 disc top, 27 dome lids, 26 spouted, 19 flip top, 19 lug and twist, 14 phenolic, 7 buttress.

Written from 29 CFR 1910.106(d)(2) and Table H-12, 29 CFR 1910.1200(f) and Appendix B Table B.6.1, and from the catalog as it stood on 18 October 2026. Nothing here establishes that a container is an approved container for flammable liquid storage, which is a word the regulation uses and our data does not support. Fire codes, state plans and insurers sit on top of all of this.