Capacité à obturation automatique des perforations telle que chambre à air ou pneumatique

摘要

A tear-resistant puncturable material, for use with puncture-sealing compositions in inflatable articles such as pneumatic tyres (see Group XXXIV), is composed of from 0.25 per cent to 50 per cent by weight of polychloroprene and from 99.75 per cent to 50 per cent by weight of butyl rubber. The usual compounding agents may also be present. Specification 456,294, [Group XXXIV], is referred to.