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Laboldtech is the site n. 1 web site in Italy for selection, supply and sale of chemical reagents and professional tools specific for ancient photographic techniques.

Labotech2000 srl | Cusago (MI) Italy
📞+39.02 9039 4213

Kit23READY Sandracca Varnish ready solution for Collodium plate

SKU Kit23Ready Categories ,

Additional information

40,77 + Vat 49,74



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Ready solution (approximately 250ml).

Due the difficulties in preparing this solution, we supply it ready in quantity of about 200ml in this KIT (KIT23READY).

Those, who would like to prepare it by themselves, can buy the required chemicals on this website or the KIT23.

Composition of the solution:

Ethyl alcohol 96°                                   207ml

Gum Sandarac                          28,50gr

Lavender oil                              22ml

To ensure the adequate preservation of the Collodion plates it is best to protect them with the gum sandarac varnish. Non-protected plates can be easily scratched and turn foggy over time.

The varnish will also give a warmer tone to the plate.



Apply pouring a small quantity in the middle of the plate, tilt to each side with a wavy movement until the plate is completely covered.

If the varnish is too much pour it back into the bottle.

To dry, slowly move the plate over a small alcohol lamp, and be very careful not to let the heat concentrate on one spot otherwise you will damage the Collodion.

It is important that you dry the plate quickly to prevent the alcohol in the varnish to melt the collodion’s film.

The solution can be stored for a long time in a dark bottle tightly closed. If it should thicken for the evaporation of the solvent, add ethyl alcohol (not the red denatured you can find in supermarkets) to restore fluidity.

Protective coating for Collodion plates-Ready solution-Kit23READY


No one can do a good job without proper tools, and the chemicals can be defined, the tools of the photographer. This is the weak point of many operators. They work with economic and inferior chemicals, and many do not know the true composition; not to mention unwanted interferences that can be created between them.
“Chemicals are the tools of art photographers. Through a deep knowledge of photo chemistry the artist can reach and master the art photography level.”

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