Block bottom bags are made from multi-layer film laminates that combine stability, barrier and printability. The characteristic four-seam base gives the bag a secure stand and enables premium presentation at the point of sale.
Kraft paper 60g / LDPE 50 microns — the paper standard
An outer layer of 60 g/m² kraft paper (natural or white), with 50 microns low-density polyethylene on the inside as a sealing layer and moisture protection. Visually craft-like, technically suited to dry foods: coffee, tea, muesli, snacks. OTR approx. 200 cm³/m²·24h — not for aroma-sensitive premium products.
Kraft paper / AL7 / LDPE — premium with an aluminum barrier
A three-layer laminate with a 7 microns aluminum barrier layer between the kraft paper outer and the PE inner. OTR < 0.1 cm³/m²·24h, a complete aroma and light barrier. For premium coffee, speciality tea and oxidation-sensitive artisan products.
PET12 / AL7 / LDPE110 — high-barrier transparent
A classic aluminum laminate without a paper wrap. An outer layer with a high-gloss print look, a complete aroma, light and oxygen barrier. Identical to our aluminum stand-up pouch variants in terms of barrier values.
PE / EVOH / PE — mono-PE recyclable
A mono-material laminate with a thin EVOH barrier layer (< 5% share). Recyclable in the PE stream, NIR-detectable. OTR approx. 1–3 cm³/m²·24h — a sufficient barrier for dry products with a medium shelf-life requirement. Meets PPWR requirements from 2030.
Kraft paper / PLA — compostable
A laminate of a kraft paper outer and a polylactic acid inner film, certified to EN 13432 for industrial composting. Suitable only for dry foods, as PLA degrades in the presence of moisture.
All materials are certified for food contact in accordance with EU Regulation 10/2011. We provide a declaration of conformity (PIM) with every order on request.
Material comparison at a glance
| Laminate | Oxygen barrier (OTR) | Recycling / standard | Typical application |
|---|
| Kraft paper 60g / LDPE 50 microns | approx. 200 cm³/m²·24h | — | Muesli, snacks, dry foods |
| Kraft paper / AL7 / LDPE | < 0.1 cm³/m²·24h | — | Premium coffee, speciality tea |
| PET12 / AL7 / LDPE110 | < 0.1 cm³, aroma + light 100% | — | Oxidation-sensitive products |
| PE / EVOH / PE (mono-PE) | 1–3 cm³/m²·24h | recyclable, PPWR 2030 | Dry products, medium shelf life |
| Kraft paper / PLA | reduced | EN 13432 compostable | Dry foods only |