Imagineering, Inc. | https://www.pcbnet.com/blog/advantages-and-disadvantages-of-polyimide-pcbs/
. While materials like FR-4 reach their glass transition temperature more quickly, flexible printed circuit boards can be subjected to temperatures of up to 260
Baja Bid | https://bajabid.com/wp-content/uploads/2021/09/Despatch-LAC-Spec-Sheet.pdf
. Heating elements carry a five-year warranty. All models are UL/C-UL listed. FEATURES AT A GLANCE u Four sizes: 3.8 to 18 cu ft (107 to 510 liter) u Maximum temperature of 260
Imagineering, Inc. | https://www.pcbnet.com/blog/manufacturing-printed-circuit-boards-for-telecommunications/
. Material Selection Most boards are manufactured using a standard FR-4 material consisting of glass fiber and epoxy, which is laminated with copper foil
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