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Phenolic paper is a material often used to make Effects Building Techniques Version 1.2
By R.G. Keen, 1999, Website about amateur electronics prototyping
Phenolic paper is a material often used to make printed circuit board
A printed circuit board (PCB; also printed wiring board or PWB) is a medium used in Electrical engineering, electrical and electronic engineering to connect electronic components to one another in a controlled manner. It takes the form of a L ...
substrates (the flat board to which the components and traces are attached). It is a very tough board made of wood fibre and phenolic polymers. It is most commonly brown in colour, and is a fibre reinforced plastic. These PCB materials are known as FR-1 and FR-2
FR-2 (Flame Resistant 2) is a NEMA designation for synthetic resin bonded paper, a composite material made of paper impregnated with a plasticized phenol formaldehyde resin, used in the manufacture of printed circuit boards. Its main properties ar ...
– FR-2 is rated to 130°C, FR-1 is rated to 105°C.By R.G. Keen, 1999, Website about amateur electronics prototyping
References
Electronics manufacturing Synthetic paper {{Electronics-stub