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De-acidification Solutions and Equipment .

De-acidification Solutions and Equipment

Archival Aids De-acidification (AADA) Solution

AADA solutions are non-aqueous treatments for paper, AADA solutions are non-aqueous treatments for preserving all types of paper and card. They are colourless, safe solutions which can be applied by dipping, spraying or brushing and are effective in neutralising existing acidity as they deposit an alkaline reserve throughout the paper which increases the life of documents by several times more than normal. They may also assist in cleaning and will provide a resistance against oxidative attack. They are simple to use, rapid and cost-effective and avoid the problems associated with aqueous treatment methods especially as books may be treated whilst bound without any danger of swelling or breakage of the binding. Unlike previous formulations these AADA solutions do not contain any CFC components, but otherwise the active ingredients remain the same and so in effect they have been in use for more than two decades by leading libraries and institutions throughout Europe, including the British Library and the Bibliothèque Nationale. Papers and documents treated by these solutions have been thoroughly tested by a number of independent institutions.

Archival Aids Cleaning Solution

Recommended for rinsing and cleaning all equipment used in the AADA process.

Product is flammable, take all appropriate precautions.

Please contact CXD for further information

Fume Extraction Cabinet with Air Purifier

This equipment is being used in many restoration workshops around Europe. It conforms to standard EN-1822 CE covering toxic emissions. The cabinet is fitted with a lighting system that ensures clear visibility for safety working practice. The apparatus is equipped with a PRO150 air purifier and a HEPA filter. It requires no external ventilation.


Chemical testing and conservation treatments

Synperonic A7 Non-ionic SR05 Solution

Synperonic A7 is a new, environmentally friendly formula, it is an aqueous solution of condensate of nonylphenol with ethylene oxide introduced to replace the original 27% active ŒN grade which is widely and successfully used for a variety of conservation processes including as a detergent, wetting agent, surfactant, emulsifying and dispersing agent. Synperonic A7 is an alcohol ethoxylate and, like its predecessor ŒSynperonic N, is a mild detergent generally used for the removal of tar and ground-in grime. In conservation, it has also been used as a wetting agent and to eradicate ground-in stains on a variety of substrates including textiles, paper, chinaware and porcelain, encaustic floor and fireplace tiles and glass. Synperonic A7 is completely miscible at 20º C with water, cellosolve, methanol, ethanol and isopropanol. Synperonic A7 is a more concentrated form of Synperonic NDB.


Odour: mild
Appearance: white viscous liquid at 20°C
Melting point/range: approx. 21°C
Boiling temperature: product will be stable up to 120°C
Viscosity: 21mPa.s @ 50°C
Auto-ignition temperature: 385°C
Specific gravity: 0.958 @ 50°C
pH5.66 (in aqueous solution)
Solubility in water: soluble > 10g/100g
Flashpoint: 198°C (open cup)
Soluble in water, ethanol, glycol ethers, chloroform/carbon tetrachloride,

Archival Aids Mobile De-acidification Spray Unit DA06

The mobile spray unit is a complete assembly supplied ready for use where an existing fume hood or extraction system is available. The free-standing, wheeled cabinet houses all the necessary items for spray treatment of all types of paper ephemera.

The cabinet holds 1 x 19-litre cylinder of treatment solution, 1 x 19-litre cylinder of cleaning solution and a nitrogen propellant cylinder. The cleaning solution is used to flush out the pipework and spray gun system at the end of a work period to ensure that lines are kept clear.

The spray gun is a special type particularly suited for the application of treatment solution in that it generates a liquid fan jet rather than a dispersed spray.

The jet can be controlled or changed to vary the fan size from a few inches to up to 2 feet according to the size of materials to be treated.

A specially designed solvent tank holds the gun when not in use to ensure that the tip is kept away from the air, minimising the problems of contamination and gelling of treatment solutions.

The cylinders are simple to remove and replace when empty ensuring that solutions are kept under safe, controlled conditions, reducing wastage. The unit needs little maintenance and is easy to use.


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