Integrated-Spout High-Barrier Foil BIB Bag-in-Box for 1L–20L Automated Liquid Filling

At the heart of this bag-in-box format is a one-piece dispensing assembly: the pointed-valve spout is moulded together with the pouch, which helps eliminate leak paths created by separate fittings. Pouches can be made with three-side or four-side seals for flat, durable edges, then placed into a corrugated carton or paper box after filling to complete the BIB system. Dispensing options include a standard spout, pointed valve or press-type valve. When used with an outer box, they support smooth extraction, controllable flow and low product retention, making the format suitable for automated filling lines.

For the barrier layer, choose pure aluminium foil or a metallised high-barrier laminate, with PET, NY and PE substrates added as needed to balance oxygen protection, light blocking and drop resistance. Both clear and foil versions can be produced. Graphics are printed by 1-8 colour gravure for consistent colour and fine image detail, with matt, gloss and spot effects available. Standard capacities range from 1L to 20L. Bag dimensions, spout diameter and valve style can be customised to match your filling machine interface from samples or drawings, and matching roll film in the same structure is available for continuous automatic packaging.

Common end uses include mineral water, juice, syrup, edible oil, soy sauce, detergents and industrial liquids, serving beverage plants, condiment manufacturers and liquid filling workshops. The custom workflow covers requirement discussion, sample or drawing approval, trial sampling, mass production and shipment follow-up. Our facility is based in Dongguan, Guangdong, with a Class 10000 clean workshop plus in-house gravure printing, lamination and bag-making lines. MOQ is 10,000 pcs, and production is completed from film to finished bag under one roof according to the confirmed schedule.