| 摘要 |
The invention refers to the manufacturing of the finishing construction materials by means of colouring granite chips, used for walls plastering or finishing boards production. According to the invention the water resistant colouring is obtained by mixing of 8-14 kg of the epoxy resin with hardener in preheated to 50 - 60 oC mixture of 1 metric ton of granite chips with powdered mineral pigment. The mixing is done by the air flow heated to 85 - 95 oC.
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