Ipu

Ipu | Concrete vase

€19,99

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Color: Welche Farbe darf es sein?

Quantity

Ipu was cast from high-strength concrete and can serve as a flower vase, for example.

Use dried flowers or freshly picked flowers to decorate this piece of jewelry. The vase tapers to a narrow shape and is characterized by a fine curve.
Our concrete is waterproof, so you can fill the vase with water without any worries. Available in grey or anthracite, it can also be used decoratively without flowers. There are felt feet on the underside to protect the piece of furniture underneath the vase from scratches.

Details & Dimensions

Material: high-strength concrete
Weight: 1000g
Bottom: with felt feet
Special feature: waterproof

External dimensions [LxWxH]: 8 x 8 x 14.6 cm
Inner dimensions [LxWxH]: 2.4 x 2.4 x 11.4 cm

Shipment

Our products are in stock and will be dispatched as soon as possible after ordering, so you will usually receive your order after 2-3 days.

For orders over 100€ we offer free shipping within Germany.

Contact

Do you have any questions? We're happy to help you!

Simply send us an email to info@handworkz.de or use our contact form . We will also be happy to call you back if you wish. Just leave us your telephone number and ask us to call you back.

Handcraft | Made in Germany
made of high-strength concrete
100% plastic-free packaging

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What makes our concrete special?

One thing can be said in advance: not all concrete is the same!
Through extensive testing, we have developed the perfect concrete mix for us. Our focus was particularly on developing a high-quality concrete that is impressive in terms of durability and robustness. We also felt a particular need to optimise the concrete mix so that it is waterproof. This has the advantage that we can use the concrete to make flower pots and vases, and it also creates the well-known lotus effect, which allows water to run off the concrete. It also makes cleaning easier because dirt has a harder time "sticking" to the surface. In construction, this is even referred to as "self-cleaning concrete" because, for example, as a facade element, it is cleaned by rain and thus practically cleans itself.
The hydrophobic effect achieved with our concrete is not only created by a simple surface coating, as is often used, but is already anchored in our special concrete recipe. In addition, our concrete not only impresses with its even and smooth surface, but also with a completely colored mass.

A ready-mixed product was out of the question for us from the start, as it leaves little room for adjustment due to the lack of a list of ingredients. So we designed our own concrete using cement, sand and other ingredients.
We started with prior knowledge of the composition of concrete in construction, but determining a concrete recipe for a concrete wall with a thickness of 200 mm is quite different than for a vessel with a wall thickness of 10 mm.
The first and probably easiest step is to adjust the so-called "maximum grain size" to the grading curve of the concrete. The grading curve describes the composition of different grain sizes, from sand to gravel in the concrete. In construction, a maximum grain size of 8 mm is usually chosen for delicate components, but in exceptional cases this can also be smaller. For thick components, such as foundations, a maximum grain size of 32 mm is often chosen. In general, it can be said that the larger the selected maximum grain size, the cheaper the same amount of concrete can be obtained. Due to the nature of the component, however, it is not always sensible to choose the largest possible grain size. This becomes clear when you concrete a container with a wall thickness of 10 mm with a maximum grain size of 8 mm. It just about fits in, but when processing it, you will very quickly notice that the individual grains wedge together and the mold is not filled properly. To avoid this, we use a maximum grain size of 2 mm for most of our products, but we reduce the grain size to less than 1 mm for some very delicate pieces to achieve even better results.
But this only lays the foundation for the concrete recipe, as the maximum grain size only describes the dimensions of the largest grains. However, it is very important to incorporate the right mixture of different grain sizes in the range of 0 - 2 mm into the recipe, as this is the only way to create the densest concrete matrix possible.

In the construction industry, people often talk about waterproof concrete (waterproof concrete). This is often used for basement walls or other components that are in direct contact with moisture or water. A basement made of waterproof concrete is then referred to as a white tub.
As the term "WU" suggests, no water can penetrate through the concrete, but water can penetrate to a certain depth of around 10 - 20 mm. This works very well in construction due to the greater component thicknesses, but with our delicate vessels we do not have the leeway of 10 - 20 mm. We were therefore forced to create a structure that was as dense and hydrophobic as possible in order to repel any water at the outermost layer.

This extremely dense structure is known in the construction industry as high-strength concrete. Examples of applications include bridges, high-rise buildings, dams, etc. Here, relatively delicate structures are created using high-strength concrete, which are extremely resilient to chemical or mechanical influences.

In conclusion, we have taken high-strength concrete from construction and adapted it to our needs without minimizing its enormous strength, resistance or durability.

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Ipu | Concrete vase