Deffner Beispiel #1 engl

Deffner & Johann

Preservation Supplies

The broadest range of materials, tools and equipment for conservation and preservation ...more

Deffner Beispiel #2 engl

Deffner & Johann

Cultural Heritage

Traditionel materials and tools and innovation go hand in hand ...more

Deffner Beispiel #3 engl

Deffner & Johann

Established 1880

Brushes, pigments and leaf gold – from the first hour until today ...more


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D&J Blog

Deffner & Johann on Tour: Workshop on Soft Particle Cleaning in Antwerpen

October 25, 2019

SHAKE it, blast it, it‘s clean

Together with SHAKEINCONSERVATION SHAKEINCONSERVATION, a non-profit organization to connect students and young professionals in conservation in Belgium, Deffner & Johann hosted a two day workshop on soft particle cleaning at the University of Antwerp.

Visit Gamblin in Portland

October 17, 2019

On site in Portland

This summer Deffner & Johann had the wonderful opportunity to visit Robert Gamblin and his wife Catherine in Portland, USA. On a beautiful sunny morning Robert led us through his paint factory, showed and explained the production of the paints - it was "Red Day".

Gamblin's company produces more than 200 colors in an environmentally friendly and safe production process in southeast Portland. Gamblin Artists Colors' paints and Gamsol solvent - an odorless solvent - are all non-toxic and lead-free.

IADA 2019 - D&J is there again

September 17, 2019

IADA – Deffner & Johann is there again

Deffner & Johann welcomes paper conservators from all over the world at iada conference 2019 from September 23rd to 27th.

This congress will address the latest developments in the profession, which cover, but are not confined to, conservation decision-making, collection risk management, surveys, sharing positive and negative outcomes of scientific research and conservation projects, art technological studies (artist’s materials and techniques), ethical considerations in conservation as well as hands-on experiences.

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