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Intermediate cable sheathing or filler compsn. - comprises non-polar polymer esp. atactic polypropylene and (in)organic filler (NL 15.11.77)

Savonen Joel Adiel
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TLDR
An unvulcanised, rubber-like intermediate sheathing and filler compsn. as discussed by the authors contains a non-polar polymer (mixt.) (I) which under the working conditions is amorphous and has a Tg the working temp.
Abstract: 
An unvulcanised, rubber-like intermediate sheathing and filler compsn. contg. an abundant amt. of mineral filler for PVC insulated cables contains as binder a (practically) non-polar polymer (mixt.) (I) which under the working conditions is amorphous and has a Tg the working temp. (I) comprises >=70 wt. % hydrocarbon polymer of which at least the main chain is satd. The plasticiser which bleed from the PVC are absorbed by the compsn. but do not separate out again. The cable has good resistance to large and quick changing temp. variations and is flame retardant.

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