1 #50 Shields-All All purpose Acrylic Clear Waterproof Sealer-Seals and protects a wide range of surfaces including wood,masonry,cement floors,shingles...Soap and water cleanup. # 52 Super Seal Clear Waterproof Sealer-High solids for long lasting protection on any surface, no waxes or silicones.
A natural material is any product or physical matter that comes from plants, animals, or the ground. 1  Minerals and the metals that can be extracted from them (without further modification) are also considered to belong into this category. Natural materials are also often used in textiles. Types include: the cannabis plant, especially when grown for its fiber. meaning of hemp. Biotic materials; Wood (rattan, bamboo, bark, etc.) Natural fiber (silk, wool, cotton, flax, hemp, jute, kapok, kenaf, moss, etc.) Inorganic material Stone (flint, granite, obsidian, sandstone, sand, gems, glass, etc.) Native metal (copper, bronze, iron, gold, silver, etc.) Composites (clay, porcelain, plasticine, etc.) Other natural materials. Soil; See also. Earth structure; Material science; Natural resources; Synthetic material. Metamaterials
any of a class of substances occurring in nature, usually comprising inorganic substances, as quartz or feldspar, of definite chemical composition and usually of definite crystal structure, but sometimes also including rocks formed by these substances as well as certain natural products of organic origin, as asphalt or coal.