| 摘要 |
A plaster for application to rigid polystyrene foam sheets is proposed which essentially contains 30-60 parts by weight of synthetic resin based on a vinyltoluene-acrylate copolymer, 180-160 parts by weight of aliphatic benzine hydrocarbons from which the aromatic components have been removed, and 650-220 parts by weight of fillers. The plaster is, in particular, readily workable, even at extreme temperatures.
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