Raw Materials : Definition, Types, and Accounting Raw materials also known as primary commodity, unprocessed material , or feedstock are a fundamental substance utilized in the manufacturing of goods, final products, or intermediate materials that serve as the raw materials for future finished products. What is Raw Material ? A detailed guide includes Definition, Formla, Types and Importance of raw meterials. A raw material is a relatively unprocessed material that is a basic economic input. Learn about different types of raw materials, such as metals, minerals, woods, fibers, food ingredients and more, with examples and photos. Raw materials are the unprocessed resources extracted or harvested from nature, used to produce goods and services. Learn about different types of raw materials, such as plant, animal, and mining-based, and their role in various industries and sectors.