STP935: Performance Tests for Graffiti Removers

    Clifton, JR
    Group leader and research chemist, National Bureau of Standards, Gaithersburg, MD

    Godette, M
    Group leader and research chemist, National Bureau of Standards, Gaithersburg, MD

    Pages: 11    Published: Jan 1986


    Abstract

    The defacing of the surfaces of masonry buildings with graffiti has increased substantially during the past decade, with removal cost exceeding several hundred million dollars annually. An assortment of materials have been used to remove graffiti with varying success. This report discusses performance tests developed to form a technical basis for selecting effective graffiti removers. Important considerations in developing the tests and criteria for graffiti removers were effectiveness in removing marks and effects on the appearance of masonry substrates.

    In developing performance criteria, “standard graffiti” were produced by applying aerosol paints, crayons, lipstick, and felt-tip pens and markers to the surfaces of brick, sandstone, limestone, and aluminum specimens. The effectiveness of removers and their compatibility with masonry substrates was determined by comparing the color changes of unmarked, marked, and remover-treated masonry surfaces. Test methods were also developed to determine the ability of removers to migrate into masonry.

    Keywords:

    crayon marks, graffiti, graffiti patint removers, pen marks, paint removers, aerosol paints, performance criteria, masonry, masonry cleaning


    Paper ID: STP20013S

    Committee/Subcommittee: E06.24

    DOI: 10.1520/STP20013S


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