Staff at the O-I glass plant in Alloa are to strike today.
Workers at the Glasshouse Loan are staging a 48 hour walkout.
Trade union Unite are locked in a pay dispute - and have rejected an offer of 4%.
The site manufactures bottles for the likes of Carlsberg and Bacardi.
Unite national officer Tony Devlin said: “Our members are taking strike action as a last resort. This dispute will cause a considerable shortage of bottles for UK drinks companies but this is entirely of O-I Glass’ own making. The company has been given every opportunity to make a decent pay offer but it has chosen not to.
“Even at this late stage strike action and the extreme disruption to the company’s customers can still be avoided if O-I Glass make an offer that meets members’ expectations.”
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