The Materials of Tsugaru-Nuri: Unveiling the Secrets of Durable 'Aomori Hiba' and Lustrous 'Urushi' Lacquer

Members-only2025.12.11

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Behind every handcrafted object lies more than just an artisan's skill; there's a profound connection to the local environment and history. At the very core of this are the 'materials'—the elements that form the product's structure and give it character. In this article, we'll take a deep dive into Tsugaru-nuri, the world-renowned lacquerware from Aomori Prefecture, exploring it through the lens of its unique materials.

What's the secret behind the incredible durability of Tsugaru-nuri, a craft said to last for decades? And how are its intricate and stunning patterns brought to life? As we explore these questions, we uncover a close bond with materials nurtured by Tsugaru's natural landscape, the challenges facing our modern world, and new possibilities for the future. This journey was full of new discoveries for me, and I invite you to explore the fascinating world of Tsugaru-nuri with me.

The Wooden Base (Kiji) of Tsugaru-nuri: Aomori Hiba, the Source of Its Durability

To truly understand the quality of Tsugaru-nuri, we have to start with its foundation: the wooden base, or *kiji* (the wooden form of the vessel). Tsugaru-nuri primarily uses a wood called 'Aomori Hiba.' This choice isn't simply a matter of local availability. The exceptional properties of Aomori Hiba are what form the bedrock of the 'robustness' for which Tsugaru-nuri is renowned.

Aomori Hiba is rich in a compound called hinokitiol, making it renowned for its potent antibacterial, antiseptic, and insect-repelling properties. A testament to its superior durability is its use in the construction of the Konjikido (Golden Hall) at Chuson-ji Temple, a UNESCO World Heritage site. Furthermore, it is resistant to water and moisture and boasts a dense, beautiful wood grain.

The creation of Tsugaru-nuri involves a painstaking process of applying dozens of layers of lacquer, each followed by drying and polishing. This subjects the base material to extremely harsh conditions. However, the inherent strength of Aomori Hiba allows it to endure this rigorous process, preventing any warping or cracking. The quality of Tsugaru-nuri is, without a doubt, built upon the power of this incredible wood.

According to the national regulations for Traditional Crafts, other woods like *hoonoki* (Japanese bigleaf magnolia), *katsura* (Japanese Judas-tree), and *keyaki* (Japanese zelkova) are also permitted in addition to Hiba. Understanding the unique properties of each wood and selecting the right one for a specific piece is a mark of an artisan's wisdom. This dedication to the foundational wooden base is an invisible, yet crucial, element that supports the value of the final product.