top

Clicking any heading in the main data area (at right) will scroll the page back to this top position.

Use the following links to jump to the associated section in the main data.

Blunting Effect
Comments
Common Names
Common Uses
Countries of Distribution
Cutting Resistance
Family Name
Grain
Heartwood Color
Luster
Natural Durability
Numerical Data
Planing
Polishing
References
Regions of Distribution
Resistance to Impregnation
Response to Hand Tools
Sanding
Sapwood Color
Scientific Name
Silica Content
Steam Bending
Strength Properties
Synonyms
Texture
Trade Name
Tree Size
Weathering

Scientific Name
Hibiscus macrophyllus

Trade Name
Baiza

Family Name
Malvaceae

Synonyms
Hibiscus setosus


Wood Image 1

Common Names
Baiza, Chamia, Dayban, Jabo, Kachia-udal, Kasyapala, Kong-krowai, Mao-marli, Maoh, Misi-mugrong-buphang, Pharna, Pochong, Pohu udal, Sho, Tutar, Tyllendkar, Yetwen

Regions of Distribution
Oceania and S.E. Asia

Countries of Distribution  [VIEW MAP]
Burma, India, Indonesia, Malaysia

Common Uses
Boat building (general), Heavy construction, Light construction, Poles, Posts, Sporting Goods

Heartwood Color
Yellow
White


Sapwood Color
Yellow
White
White to yellow


Grain
Even
Interlocked
Straight

Straight
Interlocked


Texture
Fine
Medium


Luster
Low
Dull


Natural Durability
Durable
Moderately durable
Resistant to marine borers
Susceptible to attack from termites (Isoptera)
Non durable


Weathering
Good


Silica Content
Siliceous


Tree Size
Tree height is 20-30 m


Comments
General finishing qualities are rated as good

Blunting Effect
High to severe


Cutting Resistance
Easy to saw


Planing
Fair to Good Results
Fairly Easy to Very Easy


Resistance to Impregnation
Resistant heartwood
Permeable sapwood


Response to Hand Tools
Easy to machine


Sanding
Fair to Good Results
Fairly Easy to Very Easy


Steam Bending
Fair to Good Results


Polishing
Fair to Good Results
Fairly Easy to Very Easy


Strength Properties
Toughness-Hammer drop (Impact Strength) = medium
Shrinkage, Volumetric = moderate
Shrinkage, Tangential = small
Shrinkage, Radial = small
Modulus of Elasticity (stiffness) = medium
Max. crushing strength = high
Bending strength (MOR) = medium


Numerical Data
ItemGreenDryEnglish
Bending Strength931014566psi
Impact Strength40inches
Maximum Crushing Strength68999945psi
Stiffness166519231000 psi
Radial Shrinkage3%
Tangential Shrinkage6%
Volumetric Shrinkage11%
ItemGreenDryMetric
Bending Strength6541024kg/cm2
Impact Strength101cm
Maximum Crushing Strength485699kg/cm2
Stiffness1171351000 kg/cm2
Radial Shrinkage3%
Tangential Shrinkage6%

References
Chowdhury, K.A., Ghosh, S.S.,1958,Indian Woods: Their identification, properties and uses Vol. I,Dilleruaceae to Elaeocarpaceae,Manager of Publications, Delhi, India

Desch, H.E.,1954,Manual of Malayan Timbers (2 vols,Malayan Forest Records,no.15

Gamble, J.S.,1902,A Manual of Indian Timbers,Sampson Low, Marston & Co. London

Whitmore, T.C. (Ed.,1972,Tree Flora of Malaya A Manual for Foresters Volume 1,Forest Department Ministry of Agriculture and Lands Malaysia