FIELD: process engineering.
SUBSTANCE: invention relates to decorative facing material. Proposed material is produced on the basis of quenched cullet. First, mould welts of charge made on the basis of liquid glass or sand, or fire clay granules, or foamed concrete are applied on conveyor belt. Between said welts ledges are formed from filling agent. Space between said ledges is filled with quenched cullet. Then, decorative layer of quenched cullet is applied and annealed. Backside of obtained material is cellular. Cellular part makes about 80% of material volume. Said cellular part may be either hollow or filled with sand, concrete, foamed concrete or fire clay. To obtain material with hollow cells, said ledges are coated by kaolin clay suspension that allows separation of quenched cullet from filling agent.
EFFECT: lower weight, higher operating properties.
4 cl, 1 ex, 7 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| DECORATIVE-FACING MATERIAL AND METHOD OF PREPARING THEREOF | 2000 |
|
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