【皮革基礎介紹 】

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皮革為天然物，每一張都不盡相同，每一張皮革都會有獨一無二的紋路，包含生長紋，斑點等等，這個獨特也是皮革吸引人的地方。皮革鞣製的過程，也會因為這些天然的因素，每一張皮革都會有些許的不一樣，鞣製皮革是一門很精細的化學工業以及深沈的藝術品味，每一項產品都有它的魅力與獨特性。

最常使用的皮種有牛,羊,豬。其中牛皮的尺寸最大，接著是豬皮與羊皮，以厚度來說，牛皮的原始厚度最厚。當然不同的作法也會有些許的不同，給同學做大方向的介紹，以及大致厚薄尺寸供同學參考：

牛皮厚度：大約1.2-1.6 mm
羊皮厚度：大約0.7-0.9 mm
豬皮厚度：大約0.6-1.4 mm

皮革計算尺寸為呎(square feet / sf ) 大約是30x30cm

Leather is a natural material, and each piece is unique. Every leather hide possesses distinct characteristics such as grain patterns, blemishes, and so forth, which contribute to its allure. The tanning process, influenced by these natural factors, results in slight variations among leather hides. Tanning leather is a meticulous chemical industry and a profound artistic pursuit, with each product possessing its charm and uniqueness.

The most commonly used types of leather are from cattle, sheep, and pigs. Among them, cattle hides are the largest, followed by pigskin and sheepskin. In terms of thickness, cattle hides have the thickest original thickness. Of course, different methods may yield slight variations. Here is a general overview for reference:

Cattle hide thickness: Approximately 1.2-1.6 mm Sheepskin thickness: Approximately 0.7-0.9 mm Pigskin thickness: Approximately 0.6-1.4 mm

Leather dimensions are typically measured in square feet (sf), with each square foot roughly equal to 30x30cm.