| 摘要 |
The utility model relates to a dry powdered concrete slate, which is intended for use in the construction, in particular in the construction and design of buildings or premises, where it is necessary to achieve an increased surface hardness of the concrete coatings. The powdered concrete slate comprises a base mixture of Portland cement, quartz sand and chemical polymeric additive, wherein the Portland cement is in an amount of 25%, the quartz sand- 70% and additionally are included chemical additives in an amount of up to 5%. As a quartz sand can be used quartz sands with different granulometric content and as a chemical additive is used a mixture of polymer based on vinyl acetate and chromium oxide. |
