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Microsilicates for dry bricklayer’s mixtures  |
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Microsilicates, size from 0.16 to 0.63 mm. The source material to produce dry bricklayer's mixtures.
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glues for gas-concrete, terracotta, faience |
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ground coat for gas-concrete and thermal insulation systems |
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| New technology scheme for production of precise washing, dry sands (dry microsilicates) start from year 2005. |
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| Additional material for concrete solutions |
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River sand, fraction 0.16-5 mm, BNS (Bulgarian National Standard) 171-83. Intended for buildings, precast reinforced concrete units, for roads requiring a high degree of safety for the building category. |
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| Sand for limy construction solutions |
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River sand, fraction 0.6-15 mm, BNS 2271-83. Intended for buildings, precast reinforced concrete units for roads and other constructions requiring a high degree of safety for the building category. |
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| Ballast for road foundations |
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River sand, fraction 0-50 mm, BNS 8991-76. Intended for roads and other constructions requiring a high degree of safety for the building category.
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| Additional material for concrete solutions |
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River ballast, fraction 5-30, BNS 169-81. Intended for buildings, precast reinforced concrete units, for roads and other constructions requiring a high degree of safety for the building category according to art. 137, para.1 of the Territory Structure Act and the Regulation under art. 137, para. 2, Territory Structure Act from first to third. |
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| Additional material for bituminous mixtures for surface treatment |
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River ballast, fraction 30-80 mm, BNS 2282-83. Intended for roads and other constructions requiring a high degree of safety for the building category. |
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All materials meet the BNS (Bulgarian National Standard) requirements and have certificates of production control, issued by the Test Centre and European Certification, town of Stara Zagora, in accordance with the Regulation for the essential requirements and assessing the correspondence of the construction products, introduced by directive 89/106 EEC.
Dredging "Istar" PLC has own laboratory for strict quality control of the products. |
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