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Mylar Sleeve
Mylar is the most recognised and industry approved sleeve material. Industrial Gaskets recommends Mylar Sleeve as it is stronger than Phenolic and less prone to cracking during the installation process. It is available in both Metric and Imperial sizes. The standard length is 900mm or 3Ft and can be supplied in full lengths or cut to suit your bolt length.
Phenolic Sleeve
Phenolic has been a cheaper alternative to Mylar in years of the past. However, it is prone to cracking or splitting during the installation process as the material can be brittle, especially under high bolt torque. It is available in both Metric and Imperial sizes. The standard length is 900mm and can be supplied in full lengths or cut to suit your bolt length.
Top Hat Bolt Insulators
Tough, convenient-to-use, cost effective, one-piece sleeves and washers are available moulded from Mineral reinforced Nylon -Minlon® . TopHats reduce handling and make-up problems in the field. They are moulded to specific lengths and are in many instances longer than the thickness of a single flange. Minlon® has an excellent dielectric strength and high compression strength. Industrial Gaskets Top Hats also contain a UV stabilizer. Available for all standard bolt diameters to suit metric & imperial bolts.
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