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Posted

I just want to say thank you for a great read. Although I have other fittings and a small collection of swords, I have become primarily a tsuba collector. This has provided me with references for more literature to own, which is one of my current focuses.

 

Jason 

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Posted
On 3/24/2025 at 12:35 AM, Spartancrest said:

The first thing I do with such tsuba is to boil them, suspended from a wire in an old coffee can, in a solution of a household solvent found in Canada called Varsol, and water in proportions of about 1:75. I cannot vouch for the safety of such an operation which undoubtedly needs close attention and good ventilation, however, I have had no problems.

 

https://www.jmnspecialties.com/downloads/sds/2350-varsol-sds/file

 

 

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While Varsol (a brand name for a type of Stoddard solvent, a petroleum mixture) is not specifically classified as a known human carcinogen, some of its components, like benzene and ethylbenzene, are suspected or known carcinogens, and prolonged or repeated exposure can lead to health problems including cancer. 

Here's a more detailed explanation:

What is Varsol?

Varsol is a trade name for a type of Stoddard solvent, a petroleum mixture used as a paint thinner, dry cleaning solvent, and general cleaner. 

Components of Varsol and Potential Health Risks:

Varsol contains various hydrocarbons, some of which are known or suspected carcinogens. 

Benzene: A known human carcinogen linked to leukemia and other cancers. 

Ethylbenzene: Classified as possibly carcinogenic to humans by the International Agency for Research on Cancer (IARC). 

Other components: Varsol may contain other chemicals that could pose health risks, including skin and respiratory irritation. 

Health Effects of Exposure:

Acute (Short-Term) Effects: Skin irritation, eye and respiratory tract irritation, headache, dizziness, and passing out. 

Chronic (Long-Term) Effects: Prolonged or repeated exposure can lead to skin drying and cracking, and potentially to cancer. 

Safety Precautions:

Avoid prolonged or repeated exposure: Wear appropriate protective equipment, such as gloves, goggles, and chemical-resistant clothing. 

Use in well-ventilated areas: Ensure adequate ventilation to prevent inhalation of vapors. 

Follow safety guidelines: Always read and understand the safety data sheet (SDS) before using Varsol. 

IARC Classification:

The IARC has classified Stoddard solvent (of which Varsol is a brand name) as not classifiable as to its carcinogenicity to humans. However, some of its components are classified as known or suspected carcinogens. 

If you are concerned about your exposure to Varsol or other solvents, consult with a medical professional or occupational health specialist

varsol solvent - SAFETY DATA SHEET

H351: Suspected of causing cancer. ... Repeated exposure may cause skin dryness or cracking. ... Vapour/aerosol concentrations abo...

SAFETY DATA SHEET

VARSOL Paint Thinner - UAP Inc

Nov 23, 2023 — Hazard statement(s) H226. Flammable liquid and vapour. H304. May be fatal if swallowed and enters airways. H315. Cause...

UAP Inc

Varsol 18 Mineral Spirits - Safety Data Sheet

Apr 5, 2021 — HAZARDS IDENTIFICATION. Signal Word: DANGER. Hazard Category: Flammable Liquids Hazard Category 3. Carcinogenicity Haza...

Safety Data Sheet

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Generative AI is experimental

 

 

 

 

 

 

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Posted
On 3/24/2025 at 3:35 PM, Spartancrest said:

[ ED. The following information is Not recommended for the novice without consultation with an experienced collector.]

Franco, thanks for finding that information. I don't advocate the addition of solvents either. The quote for boiling with Varsol is not mine - it is from Mr. Frenzel.

 

I suspect a lot of chemicals we use today will turn out to be things we will regret in the future - simple just don't use any!  If you want to wash your tosogu, use water. [Then don't drink that water :)]

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Posted

Less is often more when it comes to restoration of Japanese sword fittings that are many hundreds of years old. This needs to be remembered especially by all collectors, not just the novice collectors.

 

I have read his article a few years ago in the JSSUS Newsletter republished shortly after his death. I was friends with Arnold Frenzel during the last few years of his long life. I remember sitting and talking to him about tsuba at table holders' dinner at the old Tampa show. I remember him later talking about recommending me to Nick to join the KTK. This was on the top floor of the Tampa Airport Marriot Hotel, and the room would rotate while you ate showing a panoramic view of the airfield. I also fondly remember the gourmet food and drinks as well at the dinner.      

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Posted
On 3/24/2025 at 12:35 AM, Spartancrest said:

More mobile collectors will find it worthwhile to attend various regional shows. The more interesting ones in my opinion are those held by the Chicago Token Study Group in early May, and the Memorial and Thanksgiving Day shows of the Japanese Sword Society of Maryland held at Pikesville.

 

The current show held each year in Maryland, USA is the Baltimore Antique Arms Show (Baltimore Antique Arms Show) at the Maryland State Fairgrounds in Timonium, MD. The Pikesville Show was I think the predecessor to this current show. All of these are suburbs of the city of Balimore. I had great fun last Saturday at this show. :glee:       

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