
B.D.G. 86 – Removal of Black Manganese Stains from Archaeological Finds
Colourless, odourless, neutral pH solution that removes black manganese oxide stains from ceramics, stone, bone, glass and mortars by reducing action.
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C.T.S. B.D.G. 86 is a cleaning system for the characteristic black stains (dendrites/deposits) of manganese oxides on archaeological finds. It works by a redox reaction in 15–20 minutes, leaving no residues and without recrystallisation of salts.
- Versions (250 ml): Red – ceramics; Green – stone; Yellow – bone; Blue – glass; Grey – archaeological mortars/stucco
- Features: neutral pH, colourless and odourless
- Application: locally with a brush or compress, followed by rinsing with deionised water
- Supplied by: C.T.S. S.r.l. (Italy)
Made to order · imported from abroad. This product is ordered from the manufacturer. Import shipping costs may be added to the price; we confirm them by email before payment.
- You place the order online, without payment.
- We confirm prices, availability and shipping cost and send you the final amount.
- You pay by bank transfer and send the payment slip quoting the order number.
- Shipping by BOX NOW, ACS or freight carrier in Greece, FedEx or DHL abroad. You can see the tracking number in your account.
Public bodies follow their own procurement procedure. Request a quote.







