Which type of resin is often used in woodworking for sealing purposes?

Shellac is often used in woodworking for sealing purposes due to its unique properties. It is a natural resin that is derived from the secretions of the lac bug, making it an eco-friendly option for wood finishing. Shellac serves as an excellent sealant because it dries quickly, adheres well to most surfaces, and provides a clear, high-gloss finish that enhances the natural beauty of the wood.

In addition to its sealing properties, shellac is also a good barrier against moisture and can help to prevent the absorption of stains or other finishes applied later on. Its versatility allows it to be used as a primer, sealer, and finish coat, making it a popular choice among woodworkers.

The other options—lacquer, enamel, and varnish—while they each have their own uses in woodworking, do not match the specific sealing characteristics and benefits that shellac offers. Lacquer tends to be more suited for top coats due to its fast-drying properties but often lacks the sealing qualities of shellac. Enamel paints provide a durable finish but are typically used for color rather than sealing. Varnish does offer a protective coating but can require more time to cure compared to shellac. Thus, shellac is recognized for its