Blush Alder Timber – Sloanea australis
Blush Alder AKA Alder Blush
Colour – Heartwood usually ink to reddish-brown with some distinction between heartwood and sapwood.
Grain – Close and even textured. There is no pronounced figure. However, on dressing, a silky sheen is obvious on the surfaces.
Density – 625 kg/m3
Durability – Class 4 – Suitable for use only in continuously dry situations under cover, well ventilated, clear of the ground and fully protected from the weather and other dampness.
Hardness – Firm (rated 4 on a 6 class scale) in relation to indentation and ease of working with hand tools
Sapwood – Lighter colour than heartwood and can be differentiated from it
Heartwood – Pink to reddish-brown
Texture – Fine and uniform, grain occasionally interlocked
Growth Rings – Absent
Vessels – Numerous, very small, indistinct without a lens, solitary and in radial groups of less than four. Tyloses and deposits absent.
Parenchyma – Not visible under a lens
Rays – Of two kinds: (a) fairly large and visible without a lens and (b) fine, difficult to see even with the aid of a hand lens
Burning Splinter Test – A match size splinter burns with a reddish exudation to a fine white partial ah