Size Name:Pack of 5 Prysmian R391 Electrical Weatherproof Compound prevents short circuits due to damp environment, it also prevents corrosion of electrical contacts in commercial or industrial surroundings and seals areas that are usually difficult finish, for example cable entries, screw threads and covers of electrical equipment etc. R391 can also be used for lots of applications not related to electrics, very useful when a good water seal is needed that will not harden and is re-workable.Prysmian R391 Weatherproof Plastic Compound is made of an inert filler discharged in a plastic base. The compound is incredibly repellent to water permeation, acids and alkalis in liquid or vapour form under usual conditions. It has no destroying effect on metals, plastics, natural rubber, synthetic rubber, PVC or other cable materials. It can be used to seal cable ends or cable entries to enclosures. Prysmian R391 is coloured reddish brown and has an unlimited shelf life under usual conditions of wrapping and storage. Not resilient to oils and aliphatic hydrocarbons.Ideal for use in maintenance purposes where cables may have to be removed and replaced at regular intervals. Soft enough to mould around intricate contours or pressed into fine cavities, it has the ability to resist the dislodging effects of vibration and prevent moisture creepage. The prevention of electrical leakage on circuits due to dampness and the protection  of the electrical contacts against corrosionThe sealing of irregular openings, cable entries, screw threads and covers of electrical equipmentUseful filler of junction boxes and can also be used for many non electrical applications whenever a reliable non hardening moister or water seal is required.  
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