We are pleased to introduce the following Conservation Products to Ratchford Ltd: EVACON-R™ Conservation Adhesive A specially formulated neutral pH, non plasticised, reversible archival paper laminating adhesive. The adhesive is designed to be as safe as possible for all kinds of storage uses including photographs. It has passed the Silver Tarnish Test and is less susceptible to acid hydrolysis than the more common PVA adhesives which can break down and emit acetic acid vapours. These vapours can be particularly harmful to boxed items trapped in a microclimate. The resistance to hydrolysis of the EVACON-R™ is probably due to the random blocks of ethylene which affect the stereochemistry of the system. The incorporation of a small quantity of calcium carbonate also helps to stabilise the system. Applications: Suitable for laminating papers and boards, boxmaking, envelopes and general bookbinding work. Small Smoke Sponge Vulcanised 60g,(152mm x 76mm x 19mm) Unique dry sponges made of vulcanised natural rubbercompletely safe and non-toxic for cleaning off smoke covered walls and artefacts, soot damage and general dust. Crepe Rubber In its natural state, rubber comes in the form of a milky liquid known as latex. This liquid is then filtered and undergoes various processes until we obtain this sheet of crêpe commonly used in the shoemaking industry. It also has an application in the graphical field where it is used as an effective gum for removing residues of adhesives.
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