GlassRock offers a wide range of aluminum screw caps tailored for both wine and liquor bottles, combining reliable sealing performance with elegant presentation. Our standard sizes include 30x60mm and 30x44mm (widely used for wine), as well as 28x18mm for spirits and liqueurs. Each cap is made from food-grade 8011H16 aluminum, with a thickness of 0.23mm, providing excellent tensile strength, consistent crimping, and resistance to deformation. We provide several liner options based on the type of beverage and required barrier protection: PE liner: economical and suitable for short-term storage Saranex liner: optimal for wine aging, offering excellent oxygen control Tin foil liner: ensures premium barrier properties and extended shelf life The caps are fully customizable with printing, embossing, and color finishes to match your brand identity. Whether you’re bottling a vintage red or a premium gin, our screw caps deliver both function and aesthetics in every closure.
