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Lyman
Lyman's untreated corncob media is a dry case-cleaning medium designed to polish and prepare brass for reloading. Unlike treated media, this natural corncob won't impart a chemical finish—it simply tumbles away surface dirt, residue, and oxidation to restore brass to a clean, workable state. At 3.5 pounds per container, it delivers substantial volume for regular reloaders who process dozens or hundreds of cases per session.
Corncob media is the standard choice for reloaders who want a gentle, mechanical cleaning action without additives. It works in rotary tumblers and vibratory machines alike, making it a versatile addition to any case-prep setup. The untreated composition means you get pure cleaning performance—no polishing compounds or finishing agents that might affect case neck sizing or primer seating later in the loading process. This straightforward approach appeals to handloaders who prefer control over each step and aren't chasing a mirror-bright finish.
One container will process thousands of cases before requiring replacement, making corncob media a durable and economical part of your reloading routine. Over time, media collects brass dust and fines; periodic screening or replacement keeps your tumbler running efficiently and ensures consistent cleaning results. For reloaders focused on function over aesthetics, untreated corncob is the dependable workhorse that gets the job done.
| Product Type | Case cleaning media |
| Material | Untreated corncob |
| Container Size | 3.5 pounds |
| Brand | Lyman |
Yes. This untreated corncob media is compatible with Lyman's rotary and vibratory tumblers and other standard case-cleaning equipment. It's designed as a general-purpose cleaning medium, not a specialty additive or finish.
Untreated corncob relies on the natural abrasive action of the cob material itself to clean brass. Treated media contains polishing compounds or other additives that produce a brighter, more polished finish. Untreated media delivers straightforward cleaning without chemical residue, which some reloaders prefer for consistency in case prep.
A single container will clean thousands of cases before the media becomes saturated with brass dust and fines. The exact number depends on how frequently you reload and how often you screen or replace the media to maintain cleaning efficiency.
The facts provided don't cover pre-cleaning recommendations. Consult Lyman's user guide or your tumbler's manual for best practices on case prep and media use.
Lyman
Lyman's untreated corncob media is a dry case-cleaning medium designed to polish and prepare brass for reloading. Unlike treated media, this natural corncob won't impart a chemical finish—it simply tumbles away surface dirt, residue, and oxidation to restore brass to a clean, workable state. At 3.5 pounds per container, it delivers substantial volume for regular reloaders who process dozens or hundreds of cases per session.
Corncob media is the standard choice for reloaders who want a gentle, mechanical cleaning action without additives. It works in rotary tumblers and vibratory machines alike, making it a versatile addition to any case-prep setup. The untreated composition means you get pure cleaning performance—no polishing compounds or finishing agents that might affect case neck sizing or primer seating later in the loading process. This straightforward approach appeals to handloaders who prefer control over each step and aren't chasing a mirror-bright finish.
One container will process thousands of cases before requiring replacement, making corncob media a durable and economical part of your reloading routine. Over time, media collects brass dust and fines; periodic screening or replacement keeps your tumbler running efficiently and ensures consistent cleaning results. For reloaders focused on function over aesthetics, untreated corncob is the dependable workhorse that gets the job done.
| Product Type | Case cleaning media |
| Material | Untreated corncob |
| Container Size | 3.5 pounds |
| Brand | Lyman |
Yes. This untreated corncob media is compatible with Lyman's rotary and vibratory tumblers and other standard case-cleaning equipment. It's designed as a general-purpose cleaning medium, not a specialty additive or finish.
Untreated corncob relies on the natural abrasive action of the cob material itself to clean brass. Treated media contains polishing compounds or other additives that produce a brighter, more polished finish. Untreated media delivers straightforward cleaning without chemical residue, which some reloaders prefer for consistency in case prep.
A single container will clean thousands of cases before the media becomes saturated with brass dust and fines. The exact number depends on how frequently you reload and how often you screen or replace the media to maintain cleaning efficiency.
The facts provided don't cover pre-cleaning recommendations. Consult Lyman's user guide or your tumbler's manual for best practices on case prep and media use.
