| 摘要 |
<p>The invention provides a composition for cleaning and surface treatment of objects such as phonograph records, video or sound recording heads, tape paths in tape recorders and pick-up styli, comprising in dissolved or emulsified form,… a) from 0.001 to 1.2% by weight of natural or synthetic wax or wax-like substance,… b) from 0.001 to 2.5% by weight of fluid silicone oil with lubricating activity,… c) from 0.001 to 2.5% by weight of surface-active polysiloxane copolymer,… d) from 0.001 to 1.2% by weight of fluorinated organic surface-active compound, and… e) from 0.001 to 2.5% by weight of nonionic surfactant, the percentages being based on the total weight of the composition. …<??>Such compositions may be used for the stated purpose with excellent results.</p> |
