Cork stopper H15x17/15 mm

Natural agglomerated cork stopper, technical details:

Height: 15 mm
Top diameter: 17 mm
Bottom diameter: 15 mm

Cork stopper H15x17/15 mm – a natural and elegant closure for your bottles

The cork stopper H15x17/15 mm stands out for its perfect balance of practicality, performance and aesthetics. Designed to meet the requirements of professionals and private customers alike, it provides a reliable, uncompromising closure for many types of container. Its precise size – 15 mm high, 17 mm top diameter and 15 mm at the base – makes it a tapered stopper perfectly sized for small to medium glass bottles, flasks and vials.

This stopper is characterised by its ease of use. It can be inserted by hand, without any special tool, and holds very well once in place. It is firm enough to guarantee a tight seal, while remaining easy to remove when necessary. This ergonomic design makes it a particularly popular solution for products sold individually or in small batches, especially in crafts, fine food and natural care.

Its tapered design is not just a matter of style: it meets a genuine technical need. This shape allows the stopper to adapt to different types of neck, ensuring a gradual, leak-proof fit. Whether you use standard or slightly irregular containers, the cork stopper H15x17/15 mm provides a secure closure, while enhancing the presentation of your products with its natural, warm and authentic look.

Using this stopper is also an aesthetic choice. Unlike plastic or metal closures, cork instantly evokes nature, quality and authenticity. It adds perceived value to your products, especially when they are intended for display or as gifts. In a commercial setting, every detail counts, and a carefully selected cork stopper can make the difference between a standard product and a creation that appeals at first glance.

Natural cork for authentic preservation

Made from natural cork from Quercus suber (the cork oak), this stopper makes use of the unique physico-chemical properties of a material whose performance is recognised worldwide. Cork is made up of suberin, a waxy substance that makes it naturally impermeable to liquids and gases. This structural characteristic comes from its cellular composition: one cubic centimetre of cork contains around 40 million closed cells, filled with a gas mixture similar to air, forming an extremely effective airtight barrier.

This cellular structure acts as a natural insulator and offers high resistance to moisture, pressure and temperature changes. These properties are particularly useful for long-term storage, where temperature fluctuations can affect product stability. Thanks to its low thermal conductivity and its elasticity, the H15x17/15 mm stopper adapts to tiny variations in the container while maintaining a stable seal, without cracking or deforming.

Cork is harvested every 9 to 12 years without felling the tree, which gives this material a very favourable environmental footprint. As well as capturing CO₂, cork oak forests help combat desertification and are home to remarkable biodiversity. This sustainable forest management makes it a responsible, eco-friendly choice that meets the most demanding standards of the food, cosmetics and pharmaceutical industries.

It is thanks to all these intrinsic qualities that the cork stopper H15x17/15 mm ensures the preservation of the physical, chemical and organoleptic integrity of the products it protects. It is particularly recommended for sensitive artisanal preparations: syrups, flavoured vinegars, infused oils or liqueurs, but also for high-quality dry products such as herbs, dried flowers or spice blends. By preventing gas exchange with the outside, it drastically limits oxidation and slows natural deterioration, while respecting the original aromas and textures. This stopper is therefore an essential ally for any authentic preservation approach, without resorting to additives or synthetic materials.

A multi-purpose stopper for different sectors

Thanks to its standard size and well-proportioned taper, this stopper is compatible with a wide variety of glass containers. In the food industry, it is used for small tasting bottles, oil bottles or spice jars. In cosmetics, it is ideal for essential oils or natural elixirs presented in small bottles.

Craftspeople and makers of handmade products, for their part, appreciate its natural look and careful finish for high-end presentations. It is also used in eco-friendly decoration or packaging projects, and in the events sector for personalised gifts, samples or limited-edition products.

Careful manufacturing and a responsible choice

Each cork stopper H15x17/15 mm is the result of a demanding manufacturing process: the cork is first boiled to remove its impurities, then precisely cut before being dried, sorted and inspected. This rigour guarantees consistent quality, in terms of tightness as well as appearance and texture.

The stopper releases neither taste nor odour, which is essential for sensitive preparations. Its tapered shape allows easy insertion by hand, while ensuring a firm hold without the need for special tools. Recyclable, compostable and biodegradable, it is a sustainable alternative to plastic or metal closures.

The cork stopper H15x17/15 mm is much more than a simple closure accessory. It enhances your products and reinforces the artisanal, natural and high-quality image of your creations. Eco-friendly, practical and attractive, it is a must for anyone who wants to combine effectiveness with respect for the environment. Whether you are a producer, processor, reseller or creative craftsperson, this stopper will fit into your world with simplicity and elegance.