To the content  To the main menu

Cold Blackening Fluid

An improved formula both for experts and non-professionals. With KLEVER-"Schnellbrünierung", you can give steel (not exceeding a chromium content of 3%) and iron a flawless browning. Whether to refinish a worn blackening on handguns or long firearms, to brown entire weapons or armours, or to blacken small parts in trade and industry: KLEVER cold blackening fluid spares you tedious burnishing bathes and saves time and money. The 50 ml bottle weighs approx. 72 g.

in stock: 11 pcs, Delivery date 2.3. at your place

15,00 €
12,40 € excl. VAT

Variants in stock

Content: 50 ml in stock 11 pcs

Product No: 9971

  • Do you like shopping with free shipping? If you purchased for at least € 900, you will receive a free delivery to France, Italy, Spain, Austria, Hungary and Poland!

    Free delivery on orders over 900€

  • Is it necessary to deliver the goods quickly? If you manage to place your order of in-stock items by 11.00 am and pay, it will be despatched on the same day. Delivery time within Europe take about 2-5 business days.

    Fast delivery for orders by 11:00 AM

  • Does the delivered size not fit? We exchange the goods within 14 days for another size free of charge. You pay only the shipping.

    Exchange of size within 14 days for free

  • Many of our products are not available anywhere else. These are unique replicas of museum exemplars, designs of ours or our customers.

    Unique items exclusive production

  • Are you looking for a specific replica that cannot be obtained anywhere, compile a maximum of technical specifications and contact us, we'll have a look at it!

    Custom-made and made-to-measure

Product description

Ballistol Do-It-Yourself Cold Blackening Fluid, 50/1000 ml bottle


The surface to be blackened should be carefully degreased (e.g. with Robla cold degreaser). Then apply KLEVER cold browning with a brush. Let it work for about 3 to 30 Minutes, until a yellowish-white film has formed. Now rinse it thoroughly with water (using a brush), dab the surface dry with a soft cloth or a paper towel and spray with BALLISTOL or GUNEX for protection.


  1. Noxious
  2. Environmentally hazardous

Practical experience

Our suits-of-armor are blackened with this Blackening Fluid. The master armorer says it is the best agent he has worked with throughout his career. The surface has to be degreased perfectly and for the best result it is recommended to apply the Blackening Fluid twice. The result is a purely black color. When blackening larger surfaces, he could observe slightly bluish tinge once. When applied on glossy surfaces, the gleam is retained. This Blackening creates an impermeable layer, which perfectly protects the metal against corrosion. Practical experiences are very positive in our workshop and we can recommend this German product with pleasure.

General information on Blackening

The blackening is also described as bronzing. It is a process of coloring of steel products, so that they get an attractive black color which also provides in part the protection against corrosion (especially of hunting firearms). A thin black or blue-black-color oxide is developed during the blackening.

For a perfect oxide coating, it is important that the surface is well processed. The finer processed the surface is, the brighter and better the resultant effect is. The items to be blackened should have clean surface without rust and scales. The blackening oxide copies the inequality of the surface such as scratches, cracks, local roughness, etc. If you want a glossy coating, polish the metal parts mechanically before blackening. In order to achieve a matte finish, roughen the metal surface first.

Included in these categories: Sword maintenance kit

Reviews (0)

Submit your review

Comments (0)

Submit your comment

Do not hesitate to contact us

Tým Outfit4events
Ask a questions

Vladana Milfaitová I help to realize your wishes.

Not found what you were looking for? Don’t hesitate to contact us, maybe we can make something in form of a custom order for you!

Interested in a custom order

Similar products (19)

Show all similar products

Last viewed products (1)

Last viewed products

Choose a language

Choose a currency