|
GPa |
Gigapascals—unit of measurement for pressure. >Read more |
|
H |
Hard >Read more |
|
H Code |
Represents the appropriate preservative treatment for a particular biological decay hazard. >Read more |
|
H level |
Represents the appropriate level of treatment depending on the degree of biological hazard. >Read more |
|
H1 |
H level 1. The minimum level of preservative treatment required to protect this timber from attack by insects other than termites. Suitable in above-ground, well-ventilated situations protected from weather and wetting. >Read more |
|
H2 |
H level 2. The minimum level of preservative treatment required to protect the timber from attack by insects, including termites. H2 preservative treatments are suitable in above-ground, well-ventilated situations protected from weather and wetting. >Read more |
|
H3! |
H level 3. The minimum level of preservative treatment required to protect the timber in situations above-ground, exposed to the weather or periodic wetting. !!Must be treatable commercially to H3 level. >Read more |
|
H4! |
H level 4. The minimum level of preservative treatment required to protect the timber in situations where the timber is in contact with the ground or is continually damp. !!Must be treatable commercially to H4 level. >Read more |
|
H5! |
H level 5. The minimum level of preservative treatment required to protect the timber situations where timber is in contact with the ground or fresh water. !!Must be treatable commercially to H5 level. >Read more |
|
Hardness |
A material's ability to resist indentation and its degree of difficulty in working with hand tool blades, strongly correlated with density. >Read more |
|
Hardwoods |
Trees and timber of the dicotyledon, angiosperm (flowering) group of plants; the term doesn't necessarily imply that the timber is hard. >Read more |
|
Hardwoods, open forest-a |
Timbers including open-forest hardwoods (predominantly Eucalyptus species) excluding high-shrinkage timbers. >Read more |
|
Hardwoods, open forest-b |
Timbers including mixed, high-shrinkage hardwoods (predominantly Eucalyptus species). >Read more |
|
Hardwoods, open forest-c |
Timbers including open-forest hardwoods (predominantly Eucalyptus and Corymbia species) excluding highland ‘ash’-type eucalypts. >Read more |
|
Heart-in material |
Low-density material within 50 mm of the pith. |
|
Heartwood |
The central core of dead wood providing support to the tree. |
|
hf |
Hem-fir—commercial mixture of Tsuga species and Abies species. |
|
High shrinkage |
Having an average tangential shrinkage of 10% or more, when drying from the green condition to 12% moisture content. |
|
HW |
Hardwood |
|
Ig |
In-ground |
