Aktuelle Messwerte 02.09.2010

pH-Wert: 8,53
alkalische Reserve: 1,8% CaCo3/kg
Verfestigung: 30%

Since 1968 the development and optimization of the Bückeburg process has progressed at an unrelenting pace.


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The GSK timeline >>


From the development of the Bückeburg process to the innovative mass conservation and storage of our written cultural heritage


2010 – October

  • Commissioning of the BoCo1 book deacidification unit in Brauweiler

2010 – September

  • Inauguration of the BoCo1 book deacidification unit in Brauweiler

2010 – June

  • Sales of merchandise for restorers, libraries and archives

2010 – April

  • Development of the Newspaper CP process

  • Construction of a digital processing line with incident light scanner

  • Completion of expansion of GSK mbH into a system provider for preserving and safeguarding our written cultural heritage

  • Support of the specialist symposium "From the hand to the machine – the status quo and perspectives in modern conservation possibilities for archival and library materials” of the Rhineland regional authority in Brauweiler on 22 and 23 April

2010 – February/March

  • Establishment of own test and development lab

  • Introduction of the new CM 3000 compact deacidification unit

2010 – January

  • Development of a new book deacidification unit in cooperation with the Hanover University of Applied Sciences

2009 – December

  • Establishment of distribution partnerships in Poland with the Baltic and Russia regions, in the Czech Republic with the regions Hungary and Slovakia, and in Vietnam with Singapore

  • Output increased to 11 million sheets a year

2009 – November

  • "Preservation of holdings” research competence laboratory established in the Process Engineering Department of the University of Applied Sciences and Arts, Hanover

2009 – October

  • Cooperation partnership with the MAB Maschinen- und Anlagenbau GmbH for development of the new CM3000 compact treatment unit

2009 – June

  • GSK – Gesellschaft zur Sicherung von schriftlichem Kulturgut mbH (Association for the Preservation of Written Cultural Heritage) established to acquire the Neschen Archive Centres, its conservation processes and technologies


  • Establishment of microfilming at the Archive Centre Berlin in cooperation with the MIK-Center GmbH


  • Introduction of foliation machines

  • Construction and installation of the new CoMa5 conservation unit in Brauweiler

  • Integration of employees with severe handicaps


  • Relocation of the archive centre from Bückeburg to Brauweiler and installation of the CoMa4


  • Delivery of the first series of the compact C 900 unit for on-site conservation


  • Setup and testing of the single tank CoMa3 unit on the premises of the Federal Archives in Dahlwitz-Hoppegarten

  • Reduction of machine throughput time to approx. 7 minutes per sheet

  • The Archive Centre Berlin in Dahlwitz-Hoppegarten commences operations in October


  • The new conservation unit is taken into service; commencement of mass single-sheet restoration based on the "Bückeburg process”


  • Design planning for the new CoMa2 conservation unit for fixation and sizing/deacidification in a two-tank process

  • CoMa2 output: approx. 450,000 sheets a year, CoMa2 machine throughput time: approx. 19 minutes per sheet


  • Foundation of the Neschen Archive Centre and commencement of conservation work

  • CoMa1 output: approx. 20,000 sheets a year

  • CoMa1 machine throughput time: approx. 37 minutes per sheet


  • Start of trial operations of Conservation Machine One (CoMa1)


  • Construction of a pilot unit for single-sheet deacidification in an aqueous medium as a 3-tank unit (fixation/deacidification/consolidation) in the State Archives of Bückeburg


  • The Paper Technology Foundation Munich (PTS) is commissioned to develop a mechanical conservation process


  • The State Archive of Bückeburg is commissioned to develop new restoration methods and rational processes for mass restoration of flood-damaged archival materials