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Comments
Common Names
Common Uses
Countries of Distribution
Ease of Drying
Family Name
Grain
Heartwood Color
Luster
Mortising
Moulding
Natural Durability
Numerical Data
Painting
Polishing
References
Regions of Distribution
Resistance to Impregnation
Response to Hand Tools
Sapwood Color
Scientific Name
Strength Properties
Texture
Trade Name
Tree Size
Veneering Qualities

Scientific Name
Cercidiphyllum japonicum

Trade Name
Judastree

Family Name
Cercidiphyllaceae

Wood Image 1

Common Names
Judastree, Katsura

Regions of Distribution
Oceania and S.E. Asia

Countries of Distribution  [VIEW MAP]
China, Japan

Common Uses
Boat building (general), Cabinetmaking, Carvings, Furniture, Heavy construction, Joinery, Moldings, Musical instruments, Paneling, Railroad ties, Turnery

Heartwood Color
Brown
Green/grey
Pale brown
Brown


Sapwood Color
Brown
White to yellow


Grain
Even
Figure
Straight
Growth rings (figure)

Straight
Clear growth rings (figure)


Texture
Coarse
Medium
Fine


Luster
Medium
High


Natural Durability
Moderately durable


Ease of Drying
Easy


Tree Size
Tree height is 20-30 m
Trunk diameter is 100-150 cm


Comments
General finishing qualities are rated as satisfactory

Mortising
Easy to mortise


Moulding
Good finishing results
Easy to mould


Resistance to Impregnation
Resistant
Heartwood is moderately resistant


Response to Hand Tools
Easy to Work
Easy to machine


Veneering Qualities
No drying degrade. Dries flat without splitting
Easy to cut


Painting
Satisfactory results


Polishing
Fair to Good Results


Strength Properties
Density (dry weight) = 23-30 lbs/cu. ft.
Shrinkage, Tangential = moderate
Shrinkage, Radial = small


Numerical Data
ItemGreenDryEnglish
Density25lbs/ft3
Weight2521lbs/ft3
Radial Shrinkage3%
Tangential Shrinkage7%
ItemGreenDryMetric
Density400kg/m3
Weight400336kg/m3
Radial Shrinkage3%

References
Brown, W.H.,1978,Timbers of the World, No.5 Philippines and Japan,TRADA, Red Booklet Series

Chen, C.L.,1962,The Physical Properties of 101 Chinese Woods,Forest Products Journal 12(7) pp339-42

I.U.F.R.O.,1973,Veneer Species of the World,Assembled at F.P.L. Madison on behalf of I.U.F.R.O. Working Party on,Slicing and Veneer Cutting

Rendle, B.J.,1969,World Timbers (3 Vols.,Ernest Benn Ltd. London