Ask the Collective
The questions independent drinks founders ask most — answered. Distilled from years of community knowledge so the good stuff never disappears in the feed again.
What are the pros and cons of cellulose-based plant-based capsule closures for bottle sealing, and what are the regulatory and retail listing implications?
Cellulose-based plant closures are a plastic-free, compostable sealing option, but they come with handling challenges and significant retail compliance risks. **Suppliers and product specifics:** - **Viscose** — the main UK supplier mentioned. They produce cellulose capsules made from wood pulp fibres that are plastic-free and compostable (decompose in soil within four months). They're supplied "moist" in bulk containers (described as "commercial-sized baked bean tins"). Several members have trialled these successfully. **How they work:** - Shrink naturally at room temperature as they dry, or you can use a heater to speed up the process - Require careful handling — "not the easiest to handle" but deliver good results when managed properly **Critical retail compliance issue:** - **Major Tesco red-list problem:** These capsules are on Tesco's packaging red list (their exclusion list for suppliers wanting listings). Tesco flags them as a contamination risk to recycling waste streams because they are neither traditional plastic nor certified compostable in their systems. This is a significant barrier if Tesco listing is a business goal. - Members who discovered PLA versions were also red-listed moved to rPET alternatives from Viscose instead **Key takeaway:** Cellulose closures work well operationally but check Tesco's current packaging requirements (2024) before committing if retail distribution is planned.
Where can wine bottle closures (shrink capsules and Vinolok) be sourced, particularly in the UK?
Members are actively seeking alternatives to traditional suppliers due to price pressures. **Bruni** has recently increased prices by 25%, prompting searches for other PVC/PET shrink capsule manufacturers. **Seven Tails** closures are sourced through **La Martiniques** in France, where they are assembled; this supplier offers competitive pricing on bulk orders due to aggregated buying across multiple brand labels. For **Vinolok** closures specifically, members have mentioned sourcing from **Berlin** (likely referring to a German supplier, though details are limited). **Prowein** (the trade show) has been referenced as a venue where members have made valuable supplier connections and visited facilities. For logistics support, **Hillebrand** (contact: diana.estelanecochea@hillebrandgori.com) has been used successfully for international shipments, including samples to Italy and shipments to Dubai, at approximately £100 for 2 × 70cl bottles from London. **UPS** is another option members have used for sample shipments. Members suggest coordinating shipment costs with peers attending Prowein to split shipping expenses.
Where can we source wine bottle screw caps rated for 5-6 bar pressure in the UK?
Members recommend contacting these closure suppliers for high-pressure wine bottle screw caps: - **Guala** — mentioned as a screw cap option for pressure-rated closures - **Bostocap** — recommended by community members for screw cap sourcing - **Labrenta** — suggested as an alternative supplier to explore - **Herti** — noted as a current supplier (one member sources GPIs from them, so they may handle screw caps too) When contacting suppliers, be specific about your pressure requirement (5-6 bar) and confirm they stock wine bottle screw caps rated to that specification. Lead times and MOQs will vary by supplier.
Where can small-volume shrink wrap services be sourced for miniature glass bottles?
For low-volume shrink wrap services on miniature glass bottles, members recommend contacting suppliers directly who specialise in shrink caps and closures. **Bethan's contact** is mentioned as producing shrink caps and willing to advise on this specific need—reach out directly through the Kindred network. Before committing to shrink wrap, consider the technical implications: members suggest reviewing whether to move to shrink wrap or explore alternative closure options altogether, as this affects production setup and equipment requirements. It's worth requesting technical guidance from packaging experts to understand the production and equipment implications of each option before deciding.
What are cost-effective and eco-friendly premium tamper-proof seal options for drinks products?
Members trialling sustainable seal solutions report exploring cellulose-based alternatives. The main recommendation that emerged is: - **Viscose Closures** — Members have trialled cellulose seals from this supplier (viscoseclosures.com) with positive early results. Hand application is required, which works well for producers at lower volumes or those already making products by hand. Several members have switched to this option. Note: At higher production volumes, hand application may become impractical and alternative solutions would need exploring. The discussion did not cover cost comparisons or other eco-friendly seal alternatives in detail.