Appearance of Balsam Poplar Timber
The heartwood of balsam poplar is pale brown, while the sapwood is white to cream and can extend up to 80mm wide in fast-growing stems with about three growth rings. The wood features a fine texture, though it can be slightly uneven due to the harder latewood, and the grain is typically straight.
Applications of Balsam Poplar Timber
Balsam poplar finds application in various industries due to its lightness and workability. It is commonly used for plywood production, boxes, artificial limbs, wood wool, brake blocks, and match splints. Its softness and even texture make it suitable for intricate and lightweight designs, particularly in products requiring precision.
Workability of Balsam Poplar Timber
While balsam poplar glues and nails effectively, its woolly nature can make it challenging to work unless tools are kept exceptionally sharp. Proper care during machining ensures smooth surfaces and reduces fuzziness, enhancing its usability for precise applications.
Durability of Balsam Poplar Timber
The timber is not durable and is susceptible to termites and lyctid borer attack. As such, it is primarily used in indoor or protected environments where these issues are less likely to occur.
Origin and Availability of Balsam Poplar Timber
Balsam poplar is native to regions across Asia, including China, Korea, Japan, and Siberia, as well as North America. It is available in limited quantities in Australia, typically imported for specific uses due to its unique properties.
Balsam poplar’s combination of light weight, fine texture, and workability makes it a specialized choice for niche applications, particularly where soft and easily shaped timber is required.
Very Low | Low | Medium | High | Very High | |
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Tangential : | 4.30% | ||||
Radial : | 1.80% | ||||
Unit Movement Tangential: | 0.24% | ||||
Unit Movement Radial: | 0.10% |
Very High | High | Reasonably High | Medium High | Medium | Reasonably Low | Low | Very Low | |
Unseasoned: | S1 | S2 | S3 | S4 | S5 | S6 | S7 | S8 |
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Seasoned: | SD1 | SD2 | SD3 | SD4 | SD5 | SD6 | SD7 | SD8 |
Structural No. 1 | Structural No. 2 | Structural No. 3 | Structural No. 4 | Structural No. 5 | |
Unseasoned: | F7 | F5 | F4 | ||
Seasoned: |
Seasoned: | 410kg/m3 |
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Unseasoned: |
Very High | High | Reasonably High | Medium | Low | Very Low | |
Unseasoned: | J1 | J2 | J3 | J4 | J5 | J6 |
Seasoned: | JD1 | JD2 | JD3 | JD4 | JD5 | JD6 |
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White, yellow, pale straw to light brown | Pink to pink brown | Light to dark red | Brown, chocolate, mottled or streaky | |
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Modulus of Rupture - Unseasoned: | 34 MPa |
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Modulus of Rupture - Seasoned: | 70 MPa |
Modulus of Elasticity - Unseasoned: | 7.9 GPa |
Modulus of Elasticity - Seasoned: | 11.5 GPa |
Maximum Crushing Strength - Unseasoned: | 14.6 MPa |
Maximum Crushing Strength - Seasoned: | 34.6 MPa |
Impact - Unseasoned: | |
Impact - Seasoned: | |
Toughness - Unseasoned: | |
Toughness - Seasoned: | |
Hardness - Unseasoned: | |
Hardness - Seasoned: | 1.6 |
1 - non-combustible | 2 - reasonably non-combustible | 3 - slightly combustible | 4 - combustible | |
Fire Properties Group |
Group Number - Other: | 3 (MDF or particleboard ≥12mm; veneer thickness 0.6-0.85mm) |
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Average Specific Extinction Area: | <250 |
Bushfire Resistance: | Not Tested |