FIELD: polymer materials.
SUBSTANCE: invention relates to cable engineering and more particular to halogen-free polymer compositions for cable insulation and shells. Composition contains, wt %: magnesium hydroxide 40-70, phenol-formaldehyde novolac resin 0.5-4, zinc borate 1.5-5, polyethylene wax 2-5, Irganox 1330 0.05-2, Irganox METHOD 1024 or Lowinox MD24 0.1-0.5, and ethylene-vinyl acetate copolymer - the rest.
EFFECT: improved mechanical characteristics and resistance to copper ions attack.
2 tbl
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Authors
Dates
2005-12-10—Published
2004-06-07—Filed