AF/Armaflex Class O Self seal Black Pipe Insulation is a pre slit thermal insulation product with two strips of double sided self-adhesive tape applied to each open seam. Specially developed to provide insulation where fast, secure installation is required and ideal for applications where working space is restricted, AF/Armaflex Class O Selfseal is easily applied by fitting the insulation onto the pipe, peeling back the self adhesive tape and closing the seams together. AF/Armaflex Class O Selfseal Pipe Lagging has a closed cell structure with an in-built vapour barrier, providing a high resistance to water vapour transmission, reducing the condensation risk and helping to increase the product life span. Properties Length: 2m. Pipe size: 35mm. Wall thickness: 13mm. Lengths per pack: 30x lengths. Pack coverage: 60m2. Thermal conductivity: 0.033 W/mK at 0C. Surface spread of flames: Class 0. Fire performance: Class 1. Material: foamed nitrile rubber. Noise reduction: sound absorption coefficient ISO 354:2003. Self seal: self sealing slit with tape. Armaflex self seal Armacell AF/Armaflex Class O: The insulation system engineered to prevent condensation and energy losses. AF/Armaflex Class O is the flexible, closed cell, elastomeric nitrile rubber insulation that offers reliable protection against condensation and effectively prevents energy loss. The AF/Armaflex Class O brand is newly launched to encompass the full range of tubes, coils, sheets, tape and insulated pipe supports under the same improved technical values for the first time. The water vapour diffusion resistance value is improved to ‰ 10,000 and the thermal conductivity to 0.033 W/mK at 0C. AF/Armaflex Class O is dust free, fibre free and CFC free with an ODP of zero. Its inherent attributes and combination of properties makes Armaflex a highly efficient method of insulating hot and cold water services, chilled water lines, heating systems, air conditioning ductwork and refrigerated pipework for condensation control, energy conservation and frost protection. AF/Armaflex Black Class O with In-Built Anti-Microbial Protection. Built-in Microban technology gives AF/Armaflex Class O an added level of protection against harmful microbes such as bacteria, mold and mildew. Application Process work. Hot and cold water services. Chilled water lines. Heating systems. Air conditioning ductwork. Refrigeration pipework and ancillary equipment.