Raw materials for picture frame AND wood products-the advantages and disadvantages of various tree materials(2)

Pinus sylvestris var. mongholica Litv.

ADVANTAGE

1. Natural anti-corrosion, durable, no need to worry about corrosion by acid and alkali substances
2. It has high hardness, strong wear resistance, good durability, will not deform and warp, is non-permeable, and has little impact from moisture.
3. Good processability. Pinus sylvestris board has excellent properties such as along-grain tension, external bending fiber stress, and cross-grain pressure. The finished product after processing is more stable and durable.
4. Unique wood smell, good for health
5. High adhesion

DISADVANTAGE

1. Many scars
2. Easily discolored due to moisture
3. Avoid direct sunlight when using.

Pinus radiata D. Don

ADVANTAGE

1. Uniform structure; good nail-holding and fixing power, high elastic modulus, durability and outstanding physical stability
2.Long service life
3. Beautiful patterns
4. Has good processability
5. Has strong anti-corrosion properties
6. It is easy to consolidate and dye, and is suitable for processing various handicrafts and finely processed products. The vast majority of art and handicraft materials are radiata pine.

DISADVANTAGE

1. Wood is relatively soft and prone to cracking and deformation.
2. Improper maintenance can easily cause discoloration.

Catalpa bungei C. A. Mey

ADVANTAGE

1. Moderate density, moderate softness and hardness
2. Good toughness, not easy to crack, and good wear resistance
3. Good processing performance
4. It has good value retention and can be preserved for a long time. The planed surface is smooth and the texture is uniform and clear.

DISADVANTAGE

1. Not resistant to high temperatures, avoid direct sunlight for long periods of time
2. It is easy to deform when exposed to force for a long time.

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