Controlling the strength of champagne bottles

CHAMPAGNE BOTTLES M. D. Volovik OF UDC 666.171;663.256.24. Bottles used for champagne (GOST 10117-62) differ from bottles for other beverages because of their great strength and because they have wall thicknesses of 4.5-8 mm. Champagne bottles must withstand an internal pressure of at least 17 atm, and for storing champagne not less than 14 arm ... ................
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