How does the tannin content in cedar affect finishes on animal sculptures?
The tannin content in cedar can significantly impact the finishing process of animal sculptures. Tannins, natural compounds found in cedar, may react with certain finishes, causing discoloration or uneven staining. When applying oil-based or water-based finishes, tannins can bleed through, creating dark spots or blotches. To prevent this, woodworkers often use a tannin-blocking sealer or pre-treat the wood with a solution like oxalic acid. Proper sanding and testing finishes on scrap wood are also recommended. Understanding tannin behavior helps achieve a smooth, professional finish on cedar animal sculptures.