Sidra • Apple leather

vegan apple-based leather alternative

Colour: 011 - dark blue
Product information "Sidra • Apple leather"

Sidra is a bio-based alternative to genuine leather and consists of around 35% apple components. In apple juice production, around 300,000 tonnes of apple pomace are generated every year – these are the solid parts of the fruit that remain after pressing: peel, pulp and small core particles. This pomace is an abundantly available natural raw material that has traditionally only been reused to a limited extent. A large proportion remained unused.

For Sidra, this raw material is specifically processed: Immediately after juice production, the apple residues are collected, gently dried and milled into a fine powder. This apple powder forms the bio-based component of the Sidra coating and is a key part of the sustainable material concept.

To create a stable, hard-wearing and durable covering material, the apple powder is then combined with binders such as polyester and PU. These provide structure, strength, dimensional stability and a uniform surface that meets the high demands of the bookbinding and design sectors. The combination of natural by-products and modern binders unites sustainability with functional performance.

In this way, an innovative material is created that is not only resource-efficient but also actively contributes to waste reduction. Using a by-product that would otherwise remain unused generates ecological added value and at the same time offers a contemporary alternative to genuine leather and conventional synthetic leathers. Sidra thus combines sustainable thinking with modern material technology – for high-quality, long-lasting and responsibly produced products.

Apple pomace

Recommendations for processing

For processing we recommend using hot-melt glue. If dispersion adhesives are used, a strongly bonding adhesive should be chosen, for example Planatol AD 94/5b.

Sidra has a material thickness of 0.80 ± 0.10 mm and is therefore somewhat thicker than classic book cloths. The turn-ins and pressing times should be adjusted accordingly. To verify its suitability for bookbinding applications, the material has been tested by a professional menu cover manufacturer. Our internal tests on our hardcover machines have also shown that Sidra can be processed very well when the parameters – especially adhesion of the adhesive, coating weight and pressure – are correctly set. An industrial bookbinder has also successfully run Sidra on a fully automatic Kolbus case maker DA260.

Embossing behaviour

Sidra can be very well blind embossed and delivers a precise, elegant embossing result. The embossing stands out clearly and distinctly from the material and lends every product a particularly high-quality, handcrafted character.

Embossing with gold and silver foils has also been tested and achieved consistently very good results. Overall, Sidra is excellently suited for a wide variety of embossing applications. For each colour, a photo of a blind embossing is provided as the first image.

Additional information

  • Applications: ideal for high-quality book covers, photo books, photo albums, menu covers, boxes and similar projects.
  • Roll width: standard width 70 cm, 140 cm available on request.
  • Order quantities up to 5 m are excluded from exchange and return.
  • Cutting service: On request, we are happy to cut the material to your specifications. Cut goods are also excluded from exchange and return.
Properties of "Sidra • Apple leather"
Dimensions
Format: on rolls
Roll length (in m): 25
Thickness in mm: 0.80 ± 0.10 mm
Width (in mm): 700
Surface & Texture
Surface: matt
Texture: smooth
Material
Grammage: 270 ± 25 gsm
Material: approx. 35 % apple components, approx. 25 % polyurethane, approx. 25 % viscose and approx. 5 % polyester
Paper backing
Paper backing: no
Finished products
Finished products: book covers, photobooks, photo albums, menus, diaries, packagings
Other properties
Category: Imitation leather, Vegan leather
Ecological features: PVC-free, hard-wearing, produced according to REACH, vegan, wipeable
Finishing / Printability: Hot-foil stamping, Blind embossing
Minimum order quantity: as of 1 linear meter
https://www.schmedt.de/ww2000/pdf/e-td_sidra.pdf

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Coller des morceaux dessus devrait fonctionner avec la colle appropriée qui adhère au synthétique (par exemple Planatol AD 94/5B - https://www.schmedt.fr/art/3705-001). Si vous souhaitez recouvrir entièrement un livre d'une couche supplémentaire, je ne peux pas imaginer que cela pourrait être esthétique.
aufgrund des PU-Anteils ist das Produkt nicht recyclebar oder biologisch abbaubar. Der ökologische Ansatz bei diesem Produkt ist, dass es durch die Nutzung von Abfällen aus der Apfelindustrie ressourcenschonend für die Umwelt ist und somit eine klimafreundlichere Alternative.
Die CO2-Belastung dieses Upcycling-Lederimitats wird im Vergleich zu Kunstleder, dass zu 100% aus fossilen Brennstoffen oder Kunstoffen besteht, erheblich reduziert. Für 1 Kilogramm Apfelreste werden 5,3 Kilogramm CO2 eingespart.
thank you for your request.
The material does not have a grain as known from paper products, but it has a different in stretchabillity.
Therfore you can say the material is similar with long grain (Stretch direction)

Your Schmedt Team
Wir empfehlen für die Verarbeitung die Verwendung von Heißleim. Bei der Verwendung von Kaltleim (Dispersionsklebstoffen) sollte ein starkklebender Leim, wie z.B. Planatol AD 94/5b, verwendet werden. Planatol BB würden wir nicht empfehlen, könnte aber auch funktionieren.
Our apple leather Sidra has been specifically developed for bookbinding. It is thin enough to not need any skiving/thinning out before processing and conveniently comes on rolls. There are other vegan (apple) leather alternatives that are good alternatives for other applications such as clothing, footwear and accessories.
Our apple leather Sidra is quite durable and resistant to wear and tear. It is also water-resistant and can be wiped clean easily. We have tested it together with menu card producers who approve of the material.
Vegan apple leather is a sustainable and environmentally friendly alternative to traditional leather. Vegan leather does not involve the use of animals in any way, making it a more ethical choice for those who are concerned about animal welfare. Furthermore, the production of and coloring of traditional leather can be harmful to the environment, while apple leather is made from approx. 40% apple waste and approx. 60% synthetic materials that are less harmful.
Hi! It is a synthetic leather (not animal leather), so we would not recommend thinning it out. But this is also not required at all. We have tested the product by making books and menu cards and the material works, thickness is not an issue.

Order sample card for Sidra • Apple leather

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