そざい素材sozai
1.

A foundational substance or material that serves as the basis for creating products or artworks, maintaining its original characteristics.

2.

The theme or subject matter of a creative work, often derived from nature or personal experiences, that inspires artistic expression.

3.

Unprocessed wood that has been cut to a minimal degree, retaining its natural form before further production or refinement.

Example:

この素材は決してすり減ったりしない。

しんそざい新素材shinsozai
1.

Materials that have been developed or researched recently, exhibiting superior properties not found in traditional substances, including categories like amorphous metals, fine ceramics, polymer materials, and composites.

2.

A category of innovative materials that are designed to offer enhanced performance, durability, or functionality compared to conventional materials.

3.

Cutting-edge materials that arise from recent advancements in technology and science, characterized by their unique and exceptional characteristics.

Example:

超軽量新素材の採用により、従来の約半分(当社比)という圧倒的な軽さを実現!

しぜんそざい自然素材shizensozai
1.

A type of material derived from nature that is unprocessed or minimally processed, often used in various crafts, construction, and design for its organic qualities.

2.

Components originating from the environment, such as plants, minerals, and other organic substances, that are utilized in products emphasizing sustainability and ecological integrity.

3.

Materials sourced directly from the natural world that embody characteristics of authenticity and environmental harmony, typically favored for their aesthetic appeal and ecological benefits.