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Founded in 1904 and headquartered in Farmington Hills, Michigan, USA, the American Concrete Institute is a leading authority and resource worldwide for the development, dissemination, and adoption of its consensus-based standards, technical resources, educational programs, and proven expertise for individuals and organizations involved in concrete design, construction, and materials, who share a commitment to pursuing the best use of concrete.
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Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Title: Evaluation of Performance of Mold-Releasing Agents for Polyester Resin Concrete (or Polymer Concrete)
Author(s): Y. Ohama and K. Demura
Publication: Special Publication
Appears on pages(s): 179-188
Keywords: aggregates; compacting; molds; parting agents; polyester
resins; polymer concrete; resin concrete; shear tests; tension
Abstract:The objective of this study was to find an appropriate method of evaluating mold-releasability ofmold-releasingagents for polyester resin concrete. A tension or shearing test involving resin concrete cast in thin frames on steel plates coated with mold-releasing agents was selected as an appropriate method. BY apply- ing this method, 17 commercially available mold-releasing agents were tested and evaluated for mold-releasability. The effect of vibrating compaction on the mold-releasability was also examined. It is concluded from the results that the mold-releasability of silicone and fluorine-containing agents is excellent, and that generally it is considerably affected by vibrating compaction.
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