Lascaux Acrylic Adhesive 303 HV

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Description

[Alois K Diethelm, Switzerland] A trademark for a thermoplastic acrylic resin composed of a water-based dispersion of butyl acrylate and methylmethacrylate thickened with acrylic butylester. The minimum film formation temperature for Lascaux Acrylic Adhesive 303 HV is approximately 0°C. It dries to form a film that is more flexible and elastic than 498HV. The dry film is slightly tacky and can be used as a weak pressure sensitive adhesive or it can be activated to improve adhesion with toluene, alcohol or heat (50-55°C). The emulsion can be thinned with water, but once the film is dried it is insoluble in water. Lascaux 303 HV is used as an adhesive for lining paintings and textiles.

Lascaux 303 HV is manufactured as a replacement for Lascaux 360 HV that was discontinued in 2012.

Physical and Chemical Properties

  • Dry films: Soluble in acetone, ethanol, toluene and xylene. Insoluble in water, white spirit and ligroin.
  • Tg = -8C

Resources and Citations

  • Neeha Velagapudi, Emily Fryer, Sarah Murray, Kristen Ramsdale, Sebastian Denize, Sam Adshead, 'Finding a Temporary Adhesive for Securing Objects for Display in Earthquake-prone Regions' Studies in Conservation, 68(1), 36-42, 2023 link
  • Talas: Information sheet

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