Properties Of Jarrah

Properties

Species Name: Jarrah
Botanical Name: Eucalyptus Marginata
Colour Range: Red

Janka (Hardness) Rating – Dry: 8.5

Natural Durability Class
In-ground contact: 2
Outside above ground contact: 2

Density (kg/m3)
Unseasoned (Green): 1170
Seasoned (Dry): 820

Strength Group
Unseasoned (Green) : S4
Seasoned (Dry): SD4

Joint Group
Unseasoned (Green) :J2
Seasoned (Dry): JD2

Fire Indices
Spread-of-flame Index: 3
Smoke-Developed Index: 3
Critical Radiant Flux: >2.2 & <4.5
Smoke Developement Rate: <750
Group Number: 3
Naturally bushfire-resisting Timber: Unknown

Tangential Shrinkage %: 7.4

Toughness(Nm)
Naturally Unseasoned (Green): 13
Seasoned (Dried): 10

Naturally Termite Resistant to AS3660R
R=Resistant
NR= Non Resistant

Naturally Lyctus SusceptibleS
S= Susceptible
NS= Non Susceptible

 

 

 

 

 



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