ELECTRICALLY INSULATING COMPOSITION Russian patent published in 2011 - IPC H01B3/44 

FIELD: chemistry.

SUBSTANCE: composition contains the following in pts.wt: polyvinylchloride suspension 100, phthalate plasticiser 25-50, heat stabiliser 3-8, calcium carbonate 25-200, magnesium hydroxide 25-80, antimony trioxide 4-8, phenol antioxidant 0.2-0.8, phosphate plasticiser 10-30. The result is achieved by adding magnesium hydroxide into a known composition, as well as combined use of phthalate and phosphate plasticisers with defined composition formulation.

EFFECT: high resistance to burning at high temperatures with satisfactory requirements on the level of smoke formation under smouldering and combustion conditions and release of hydrogen chloride, and physical and mechanical properties.

2 cl, 2 tbl, 12 ex