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AVAILABLE WAY OF MANUFACTURING FOLGINED GETINAX
A reward of the required size is made from sheet getinaks 1.5-2 mm thick, then a plate is cut out of copper foil no more than 0.1 mm thick by the size of the reward.
One side of the getinax, but it looks like the foil is brushed with fine sandpaper so that they become rough (the foil should be put on the glass), then degreased (washed with alcohol, acetone or ether), well dried also smears the foil also with a thin layer of BF-2 glue dried on the atmosphere (approximately 10 minutes ), after which another layer of glue is applied, we apply the foil to the getinax, making sure that there are no light bubbles between the foil and the getinax. Getinaks with glued foil are clamped between the double metal plates, and between the foil and a metal plate must lay a couple of three sheets of drawing paper.
As a clamp, clamps or screws can be used for which holes are drilled at the edges of the metal plates. The bag thus collected is incubated for 1 hour at room temperature, but then for 1.5-2 hours at a temperature of 100-150 ° C. If the size of the blank is small, then the package can be pressed to the ironing surface of the electric iron with a thermostat.
If the area of the workpiece is large, then the assembled package is placed horizontally, so that the plate, on which the foil is pressed, is on top also put a hot iron on it. After exposure to high temperature, the bag is forced to cool down to room temperature, and later foil getinax is removed.
If you disassemble the unwound bag, the foil getinaks can warp strongly.
VG Bastanov, "300 practical advice"