Satinay

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Satinay is a hardwood that also sometimes called Fraser Island Turpentine. As its name suggests, it is found mostly on Fraser Island, though it grows in small areas in Coolala on the mainland. As the area in which it grows has World Heritage listing, it is of limited commercial availability, but it has been used for flooring, paneling, decorative veneer, chisel handles, mallet heads and heavy furniture. 

The heartwood of satinay is reddish brown, while the sapwood is usually distinctively paler, and fuming with ammonia produces a greyish plum colour. The texture is relatively fine and even, and the grain rather interlocked, giving some ribbon figure to the radial surface, which also has a subdued ray fleck. The wood resembles turpentine but is easier to work, and the logs generally have very few defects.

The sapwood is not susceptible to lyctid borer attack and it is termite resistant. It also accepts preservatives easily. It is good for firm carving, though it is hard to glue and care is needed when dressing because of the interlocking grain. It takes polish, paints and stains well.

Appearance

The sapwood of satinay is distinctively paler than the heartwood, which is reddish brown. The grain is interlocked, which gives some ribbon figure to the radial surface, which also has a subdued ray fleck. The logs generally have few defects. Fuming with ammonia produces a greyish plum colour.

Common Applications

Satinay has been used for flooring, paneling, decorative veneer, chisel handles, mallet heads, and heavy furniture. 

Common Form

Sawn

Workability

Satinay takes polish, paints and stains well, and is good for firm carving, though it is hard to glue and care is needed when dressing because of the interlocking grain. Fuming with ammonia produces a greyish plum colour.

Origin of Timber

QLD

Availability - Further Information

Satinay is of limited commercial availability, as the area in which it grows is World Heritage listed.

Availability - Further Information

Native Forest

Shrinkage

Very Low Low Medium High Very High

Tangential :

10.00%

Radial:

4.40%

Unit Movement Tangential:

0.35%

Unit Movement Radial:

0.17%

Strength Group

Very High

High

Reasonably High

Medium High

Medium

Reasonably Low

Low

Very Low

Unseasoned:

S1

S2

S3

S4

S5

S6

S7

Seasoned:

SD1

SD2

SD3

SD4

SD5

SD6

SD7

SD8

Stress Grade

Structural
No. 1
Structural
No. 2
Structural
No. 3
Structural
No. 4
Structural
No. 5

Unseasoned:

F17

F14

F11

F8

F7

Seasoned:

F27

F22

F17

F14

F11

Density per Standard

Seasoned:

840kg/m3

Unseasoned:

1155kg/m3

Joint Group

Very High

High

Reasonably High

Medium

Low

Very Low

Unseasoned:

J1

J2

J3

J4

J5

J6

Seasoned:

JD1

JD2

JD3

JD4

JD5

JD6

Colour

  White, yellow, pale straw to light brown Pink to pink brown Light to dark red Brown, chocolate, mottled or streaky
   

Mechanical Properties

Modulus of Rupture - Unseasoned:

77

Modulus of Rupture - Seasoned:

129

Modulus of Elasticity - Unseasoned:

11

Modulus of Elasticity - Seasoned:

16

Maximum Crushing Strength - Unseasoned:

38

Maximum Crushing Strength - Seasoned:

70

Impact - Unseasoned:

9.9

Impact - Seasoned:

7.1

Toughness - Unseasoned:

Medium - 15 - 24 Nm

Toughness - Seasoned:

Low - up to 15 Nm

Hardness - Unseasoned:

5.2

Hardness - Seasoned:

8.3

Durability

Low Moderate Reasonably High High
(0 - 5 yrs) (5 - 15 yrs) (15 - 25 yrs) (more than 25 yrs)

In-Ground:

(0 - 7 yrs) (7 - 15 yrs) (15 - 40 yrs) (More than 40 yrs)

Above ground:

(0 - 20 yrs, usually < 5) (21 - 40 yrs) (41 - 64 yrs) (More than 60 yrs)

Marine Borer Resistance:

Lyctid Borer Susceptibility:

Not Susceptible

Lyctid Borer Susceptibility - Other:

Termite Resistance:

Resistant

Fire Properties

1 - non-combustible 2 - reasonably non-combustible 3 - slightly combustible 4 - combustible

Fire Properties Group
Number:

Group Number - Other:

3 if used on MDF or particleboard ≥12mm; veneer thickness 0.6-0.85mm

Average Specific Extinction Area:

<250

Bushfire Resistance:

BAL 12.5 and 19 – All AS3959 required applications

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