摘要 |
A shrinkable protection element for covering filiform items, such as a joint between electrical cables. The element comprises a first (2) and second (3 ) sleeve, the second sleeve being coaxially superimposed upon the first one. Both sleeves are elastically expandable in radial direction, i.e. shrinkable. The fir st sleeve is made up of a compound of cross-linked polymeric material including a peroxide curable hydrocarbon terpolyme of ethylene, propylene and a non conjugated dilene EPDM material, whilst the second sleeve is made of sulfurcured EPDM material. As a result, the shrinking speed of the second sleeve (3) is higher than that of the first sleeve (2), especially at temperatures between 0 . degree.C and 40 .degree.C. The cables may thereby be used about 30 minutes after the installation of the protection element thereon.
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