850 Technical Data August, 2013 Product Description 3M™ Polyester Film Tape 850 can generally be used f or splicing and applications where chemical resistance and/or clean removal is necessary. The silver backing is a transparent polyester with a thin layer of aluminum. Product Construction Backing Adhesive Color Standard Roll Length Watchguard Firewalls have a good long support life, and the company is clear about communicating End of Sale (EOS) and End of Life (EOL) policies on their devices in good time. The older XTM 810, 820 and XTM830 units are already announced as End of Sale, though they are fully supported until 5th February 2020. 74109 datasheet, cross reference, circuit and application notes in pdf format. The WatchGuard XTM 850 incorporates must-haves like Application Control and IPS, as well as a broad spectrum of other security functions to give businesses full protection. This threat management appliance has up to 8 Gbps firewall throughput and 14x 1-Gb interfaces.