| 摘要 |
<p>A product with which to form a removable protective coating, applicable to floors and similar surfaces, consists in a fluid mixture of greater or lesser density comprising substantial proportions of dry natural or synthetic rubber, mineral fillers and water, and marginal quantities of thickeners, additives and liquid ammonia; when spread over a surface requiring protection, the rubber solution solidifies into a clinging protective film that is easily stripped away.</p> |
