Tell me, what kind of wood is catalpa bungeana?

Zi Jin actually refers to Juglans mandshurica. Catalpa bungeana has narrow early wood, wide late wood and clear annual rings; Heartwood contains impregnating material. The wood density is 0.6 1.7g/m2, which is equivalent to nanmu and melia azedarach, but higher than Juglans mandshurica and Hovenia dulcis. Advanced wood varieties of eucalyptus; The tensile strength is moderate, less than hardwood such as oak, and greater than cork such as poplar, willow and elm. The bending strength greatly exceeds that of most coniferous and broad-leaved tree species; High impact toughness, broad-leaved trees are ahead of others. Catalpa bungeana has many structural characteristics and excellent technological characteristics. Its trunk is straight, with few nodes and good wood properties; Flat wood grain, beautiful pattern, tough and dense texture, durable, good insulation, waterproof, moisture-proof, corrosion-resistant and insect-proof. Easy to process, smooth section, moderate nail force and good paint adhesion.