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Thermoplastic polyurethanes (TPU) are innovative materials that are gaining increasing popularity across various industries due to their unique properties. They are characterized by flexibility, durability, resistance to chemicals, and excellent adhesion to multiple substrates. This article explores the properties, applications, and benefits of TPU.

In today’s world, where footwear comfort and quality play a crucial role in daily life, choosing the right materials is essential. One of the most advanced and versatile raw materials used in footwear manufacturing is EVA (ethylene-vinyl acetate) granulate. This article explores the properties of EVA granulate and its applications in shoe sole production.

As the name suggests, the hand-made moulding process for polyurethane elastomers does not require the use of complex and expensive machines. However, to create any polyurethane moulds, the following equipment is necessary: a laboratory scale, a mechanical mixer, a vacuum pump, an oven and/or a heating table with a temperature control up to 120°C, preferably with forced air circulation to speed up the material melting process (for systems processed hot).

Additionally, containers for weighing are needed, such as polypropylene buckets, mixing spatulas (shown in the picture below), disposable latex or vinyl gloves, and optionally 250ml cardboard cups, which are useful for pouring excess raw material from the buckets.