Bishopwood (Bischofia javanica)
Family: Euphorbiaceae
Common names: Aidumu, Akagi, Akan, Akayan, Apalang, Aukkyu, Autumn male tree, Ayuni, Bagna, Bangu, Beefwood, Bembuk, Bhillar, Bino, Bintoengan, Bintungan, Biscoptra, Bishofsholz, Bishop wood, Bishopwood, Bisschophout, Bitug, Boaungza, Bogaungsa, Bois de l'eveque, Boke, Bolzuru, Bumbuk, Bunian, Cholavenga, Cingkam, Dampol, Digahongon, Duag, Dueg, Gadog, Gelintungan, Gerinjing, Gerondjing, Gerunjing, Gintoeng, Gintung, Gintungan, Glintungan, Gobra nairul, Govarnellu, Hka-shatawi, Ie, Inggedi, Irum, Java cedar, Jitang, Joki, Kaen, Kainjal, Kalmote, Katan, Kaurem, Kein, Kerindjing, Kerinjing, Keyawe, Ki mahoeng, Ko, Koka, Kola, Korsa, Kot-semla, Kundjing, Kunjing, Kywetho, Legno di vescono, Madera de obispo, Malachithiyan, Malachithiyani, Mandos, Mangatu, Manoko, Maritek, Milachithayam, Modagerri vembu, Na, Nannal, Needlebark, Nhoi, Nili-mara, Nira, Noar, Oa, Oha'a, Oli oli, Panaila, Panasan, Paniala, Perabu, Pogaungsa, Polo, Pun, Sekutin, Sikam, Singkam, Sinong, Taisoh, Tanarem, Taua, Tayok-the, Tepala, Terangan, Term, Thirippu, Thiripu, Thondi, Thrippu, Tingkam, Tingkem, Tingkeum, Toe, Toog, Toogen, Tou, Tuai, Tual, Tuan, Tuel, Tui, Tuir, Tuog, Ulayan, Umba, Uriam, Urian, Urum, Watung, Ye-padauk
Distributed in: Australia, Burma, China, Fiji [Polynesia], Fiji, India, Indonesia, Korea-North, Korea-South, Malaysia, Papua New Guinea, Philippines, Thailand, Vanuatu, Vietnam (Africa, Oceania and S.E. Asia)
Distribution overview: India, Pakistan, Sri Lanka to Australia. Widely distributed Indo-Malayan species extending into the Philippines, Korea, and Polynesia. Common along streams at low and medium altitudes.
Common uses: Agricultural implements, Balusters, Beams, Bedroom suites, Bent Parts, Billiard-cue butts, Boat building (general), Boat building: decking, Boxes and crates, Bridge construction, Building construction, Building materials, Cabin construction, Cabinetmaking, Carvings, Chairs, Charcoal, Chests, Concrete formwork, Construction, Cooperages, Decks, Desks, Dining-room furniture, Domestic flooring, Drawer sides, Excelsior, Factory construction, Fine furniture, Flooring, Form work, Foundation posts, Framing, Fuelwood, Furniture , Furniture components, Furniture squares or stock, Furniture, Hatracks, Heavy construction, Interior construction, Interior trim, Joinery, Joists, Kitchen cabinets, Light construction, Living-room suites, Marine construction, Millwork, Mine timbers, Moldings, Office furniture, Paneling, Parquet flooring, Piling, Plywood, Poles, Posts, Pulp/Paper products, Railroad ties, Roofing, Structural work, Tool handles, Turnery
Environment profile: Status unknown in many of its growth areas
Tree size: Trunk diameter is 200-250 cm
Colors: the heart isRed, Reddish brownand the sapwoodPinkish, White to yellow.The grain isWavy, the textureMedium coarse to coarseand the lusterSlightly lustrous
Natural durability: Susceptible to insect attack, Susceptible to marine borer attack
Odor: No specific smell or taste
LightInduced Color Change: Darker
Kiln Schedules: Drying (speed) is fast
Kiln Drying Rate: Naturally dries slowly
Drying Defects: Slight surface checking, Splitting
Ease of Drying: Slowly
Tree Identification: Bole/stem form is straight
Comments: A lesser-known-species from South-east Asia. General finishing qualities are rated as good
Cutting Resistance: Cutting Resistance with green wood is easy
Gluing: Good properties
Mortising: good
Moulding: Poor to Very Poor
Oulding characteristics are rated as good.
Movement in Service: Poor to Very Poor
Oulding characteristics are rated as good.
Planing: Poor to Very Poor
Resistance to Impregnation: Sapwood is permeable
Response to hand tools: Easy to machine
Sanding: Good sanding qualities
Veneering qualities: Good gluing qualities, There is slight to moderate drying degrade and the potential for buckles and splits
Turning: Good results
Polishing: Smooth finish; Staining: Stains well
;
- Numerical data Metric
- Numerical data English
- Strength properties
- References
 |
 |
 |
 |
Item |
Green |
Dry |
Metric |
Specific Gravity |
0,51 |
0,63 |
|
Density |
|
689 |
kg/m3 |
Bending Strength |
534 |
1020 |
kg/cm2 |
Crushing Strength |
73 |
98 |
kg/cm2 |
Hardness |
|
693 |
kg |
Impact Strength |
58 |
68 |
cm |
Shearing Strength |
|
152 |
kg/cm2 |
Stiffness |
81 |
112 |
1000 kg/cm2 |
Tangential Shrinkage |
8 |
|
% |
Radial Shrinkage |
3 |
|
% |
Weight |
817 |
705 |
kg/m3 |
Maximum Load |
|
|
cm-kg/cm3 |
Toughness |
|
169 |
cm-kg |
Static Bending |
321 |
538 |
kg/cm2 |
|
 |  |  |  | Item | Green | Dry | English | Bending Strength | 7603 | 14515 | psi | Crushing Strength | 1051 | 1394 | psi | Density | | 43 | lbs/ft3 | Hardness | | 1529 | lbs | Impact Strength | 23 | 27 | inches | Maximum Crushing Strength | 3665 | 6928 | psi | Shearing Strength | | 2162 | psi | Static Bending | 4572 | 7652 | psi | Stiffness | 1160 | 1595 | 1000 psi | Toughness | | 147 | inch-lbs | Specific Gravity | 0.51 | 0.63 | | Weight | 51 | 44 | lbs/ft3 | Radial Shrinkage | 3 | | % | Tangential Shrinkage | 8 | | % | Volumetric Shrinkage | 12 | | % | |
Density (dry weight) = 38-45 lbs/cu. ft. 0 Max. crushing strength = medium 0 Modulus of Elasticity (stiffness) = low 0 Density (dry weight) = 46-52 lbs/cu. ft. 0 Shrinkage, Radial = moderate 1 Bending strength (MOR) = medium 1 Dnesity (dry wieght) = 53-60 lbs/cu. ft. Shrinkage, Radial = small Bending strength (MOR) = low Shearing strength (parallel to grain) = low Hardness (side grain) = soft Hardness (side grain) = medium Density (dry weight) = 31-37 lbs/cu. ft. Shrinkage, Volumetric = very small Shrinkage, Radial = very small Modulus of Elasticity (stiffness) = very low Toughness-Hammer drop (Impact Strength) = very low Toughness-Hammer drop (Impact Strength) = low Shrinkage, Radial = fairly large Shearing strength (parallel to grain) = medium Max. crushing strength = low Shearing strength (parallel to grain) = high Resists denting and marring Modulus of Elasticity (stiffness) = medium Heavy Hardness = medium Hardness (side grain) = hard Density = high Compression strength (parallel to grain) = high Bending strength (MOR) = very low
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