{TAIL ~ A fire resistant polyvinyl chloride formulation} suitable for {HEAD ~ use} as sheathing on electric wires and cables, contains 15 60 parts by weight per 100 parts by weight of PVC of a phosphate plasticize, 10 40 phr of a halogenated plasticize, 15 60 phr of aluminium trihydroxide, together with 5 20 phr of an additive combination of 10 90 wt% ofr antimony trioxide and 90 10 wt% of zinc stannate 
{ TAIL ~ A fire resistant polyvinyl chloride formulation } suitable for { HEAD ~ use } as sheathing on electric wires and cables , contains 15 60 parts by weight per 100 parts by weight of PVC of a phosphate plasticize , 10 40 phr of a halogenated plasticize , 15 60 phr of aluminium trihydroxide , together with 5 20 phr of an additive combination of 10 90 wt% ofr antimony trioxide and 90 10 wt% of zinc stannate
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