FIELD: chemistry.
SUBSTANCE: invention relates to cable engineering and can be used for insulation and sheathing of cables and wires used in high fire hazard conditions. The electrically insulating composition contains a polyvinyl chloride composition I 40-13 A and a fire-retarding agent in form of montmorillonite which is modified with 5-15% urea or melamine, and magnesium hydroxide.
EFFECT: high fire-resistance of the composition and low smoke emission in the high fire hazard zone.
1 tbl, 6 ex
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Authors
Dates
2013-03-10—Published
2011-05-20—Filed