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Filling & Packaging 11.09.2025

Berglandmilch pioneers SIG’s alu-layer-free full barrier aseptic carton in Austria, cutting CO2

Berglandmilch, Austria’s leading dairy company, is the first in Austria to choose SIG Terra Alu-free + Full barrier, the world’s first full barrier aseptic carton packaging material with no aluminum layer. Berglandmilch will offer white milk from its premium brand “Schärdinger Formil” in SIG Terra MidiBloc Alu-free + Full barrier reducing …

Berglandmilch pioneers SIG’s alu-layer-free full barrier aseptic carton in Austria, cutting CO2
By removing the aluminum layer used in conventional aseptic carton packs to protect milk or oxygen-sensitive products such as juices or plant-based beverages, SIG has reduced the number of raw materials from 3 to 2. (Photo: SIG)

Berglandmilch, Austria’s leading dairy company, is the first in Austria to choose SIG Terra Alu-free + Full barrier, the world’s first full barrier aseptic carton packaging material with no aluminum layer. Berglandmilch will offer white milk from its premium brand “Schärdinger Formil” in SIG Terra MidiBloc Alu-free + Full barrier reducing the already low carbon footprint of standard SIG aseptic cartons by 22 %1. The environmental benefit is communicated directly to consumers on the packaging.

SIG Terra Alu-free + Full barrier is a huge step forward in the push to decarbonise the food and beverage industry. By removing the aluminum layer used in conventional aseptic carton packs to protect milk or oxygen-sensitive products such as juices or plant-based beverages, SIG has reduced the number of raw materials from 3 to 2. The new packaging material is primarily made of paper and uses ultra-thin polymer barriers, that protect the product against oxygen, light, moisture and aroma loss. It offers the same product shelf life of up to 12 months and the same product protection as standard full-barrier materials, that use aluminum as a protective layer, while significantly reducing the carbon footprint. Although aluminum accounts for just around 5 % of a standard aseptic carton, it accounts for up to 25 % of its carbon footprint in a full-barrier package. Removing it represents a major gain for environmental performance.

1based on an independent ISO-compliant life-cycle assessment: https://go.sig.biz/l/251992/2025-07-15/7s4grv/251992/1752591448sah1vmYy/LCA_SIG_Terra_Alu_free_Full_barrier_and_SIG_Terra_Alu_free_Full_barrie.pdf

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