FIELD: chemistry.
SUBSTANCE: invention relates to production of building materials. Disclosed is a composition which contains a wood-fibre mass, a hydrophobic emulsion in form of paraffin and sulphuric acid and expanded vermiculite. The expanded vermiculite has particle size of 0.01-0.4 mm.
EFFECT: said composition enables to obtain fibreboard having fire-resistant properties.
2 tbl, 5 ex
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| RAW MEAL FOR FIRE-PROTECTIVE HEAT-INSULATION BOARDS AND METHOD OF MANUFACTURE THEREOF | 1998 |
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