Australian Buloke

Wood density ranges from <0.2 g cm−3 in species such as Ochroma pyramidale (balsa) to >1.0 g cm−3 in species such as Diospyros ebenum (ebony), and is an important determinant of xylem water transport and storage properties and whole-plant water relations.

Wood is less dense than water. This means that particles of water are more close together than particles of wood. And so the kinetic energy of water particles should be less than the kinetic energy of wood particles.

Most Expensive Woods in the World

• Lignum Vitae is native to the Caribbean and north of South America.
• Topping the list of most expensive woods in the world is Bocote, a flowering plant from the borage family that is mostly found in Mexico, Central and South America.

1. Wood oil. Penetrating deep into the wood grain to replace the essential oils lost through weathering, wood oils nourish and seal the surface protecting the timber from the inside out.
2. Wood stain and dye.
3. Wood preserver.
4. Wood varnish.
5. Wood paint.

So, what is the best plywood waterproof sealer? If you want to waterproof plywood, then coat it with a quality liquid latex sealer. The sealer protects by wrapping plywood in a plastic water-resistant covering. However, you can give plywood even better water-proofing by sealing it with Aquarium sealant.

If you are using sanded plywood for an interior application, you can choose from semi-transparent or opaque stains, clear coats, or paint. If you are using rough cut plywood, then a primer and paint is recommended. For exterior applications, you should use only an opaque stain or a primer/topcoat paint system.