Galhos de Carvalho / EikenGal / EicheGallen / Galas / Gema de Carvalho

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Experience the power of nature with our Gallnuts from the oak tree, the earliest and richest source of natural tannin. Sourced from the Middle East, these gallnuts are formed when insects deposit their eggs in young branches, prompting the tree to excrete a tannin-rich substance as a protective measure. These excretions harden and form into gallnuts, which are carefully collected and ground to create a potent tannin mordant.

Our Oak Gall, also known as gallnuts, play a crucial role in the textile industry. When it comes to mordanting cellulose fibers and fabrics, Oak Gall is the perfect choice before applying an alum mordant. Unlike protein fibers, cellulose fibers do not readily combine with alum. However, the high affinity of tannin with cellulose allows for seamless binding between alum and the tannin-fiber complex.

These Oak Gallnuts are unique abnormal growths caused by various parasites, primarily insects. Known for their exceptional quality, they have been used for centuries to produce high-quality ink and as a natural dyeing agent. Discover the versatility of the tannic acid found in our Oak Gallnuts, which serves as the ideal pre-treatment for cellulosic vegetable fibers.

Experience the ancient wisdom and sustainable benefits of Oak Gallnuts in your textile endeavors. Embrace the power of natural tannin and enhance the longevity and vibrancy of your fabrics with our Gallnuts from the oak tree.