FIELD: technological processes.
SUBSTANCE: thin strips of roll paper are laid on the glass blanks before the slumping process to prevent them from sticking together when slumping. Next, a stack of glasses is placed on the slumping mould and a slumping process is carried out in the furnace. Strips of pure cellulose paper forming in the slumping process a thin even carbon film are used as the separation coating.
EFFECT: improved quality of the slumped glass surface.
3 cl, 6 ex
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