Our Polymer Insulators are manufactured to cater to application requirements even for severe environments. They come with a polymeric housing over, which is a pultruded fiber glass rod. An aluminium end fittings or galvanized steel are attached to this glass rod. Based on customers’ needs and application requirements, Compaq International also provides them with housing materials in silicone or ethylene vinyl acetate (EVA). Find more at http://bit.ly/1YF3CEx