Chinese cryptocarya (Cryptocarya chinensis)
Family: Lauraceae
Common names: Chinese cryptocarya
Distributed in: China (Oceania and S.E. Asia)
Common uses: Cabinetmaking, Carvings, Furniture, Joinery, Light construction, Plywood, Toys, Turnery, Veneer
Tree size: Trunk diameter is 150-200 cm
Colors: the heart isWhite to cream, Yellowand the sapwoodSame as heartwood, Yellow.The grain isStraight, the textureMediumand the lusterLustrous
Natural durability: Susceptible to insect attack, Susceptible to marine borer attack
Kiln Drying Rate: Rapid
Drying Defects: Collapse, Internal Honeycombing Possible
Ease of Drying: Slowly
Tree Identification: Bole/stem form is straight
Comments: General finishing qualities are rated as good
Blunting Effect: Moderate
Boring: Fairly easy to very easy
Cutting Resistance: Easy to saw
Gluing: Fairly Easy to Very Easy
Nailing: Holds nails well, Poor to Very Poor
Planing: Very Good to Excellent
Resistance to Impregnation: Permeable sapwood
Response to hand tools: Moderate working qualities
Sanding: Very Good to Excellent Results
Veneering qualities: Suitable for peeling, Suitable for slicing
Screwing: Easy to screw, Fairly Easy to Very Easy; Turning: Poor to Very Poor Results
Painting: Very Good to Excellent; Polishing: Good;
- Numerical data Metric
- Numerical data English
- Strength properties
- References
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| Item |
Green |
Dry |
Metric |
| Specific Gravity |
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| Density |
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576 |
kg/m3 |
| Bending Strength |
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kg/cm2 |
| Crushing Strength |
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kg/cm2 |
| Hardness |
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kg |
| Impact Strength |
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cm |
| Shearing Strength |
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kg/cm2 |
| Stiffness |
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|
1000 kg/cm2 |
| Tangential Shrinkage |
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% |
| Radial Shrinkage |
3 |
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% |
| Weight |
560 |
448 |
kg/m3 |
| Maximum Load |
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cm-kg/cm3 |
| Toughness |
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cm-kg |
| Static Bending |
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kg/cm2 |
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 |  |  |  | | Item | Green | Dry | English | | Density | | 36 | lbs/ft3 | | Weight | 35 | 28 | lbs/ft3 | | Radial Shrinkage | 3 | | % | | Tangential Shrinkage | 7 | | % | |
Shrinkage, Radial = small Shrinkage, Tangential = small Shrinkage, Tangential = moderate Shrinkage, Tangential = fairly large Shrinkage, Radial = moderate Density (dry weight) = 38-45 lbs/cu. ft. Density (dry weight) = 31-37 lbs/cu. ft.
Kanehira, R.,1921,Anatomical Characteristics and Identification of Formosa woods,Govt. of Formosa, TaihokuKeating, W.G., Bolza, E.,1982,Characteristics properties and uses of timbers. South East Asia, Northern,Australia and the Pacific,C.S.I.R.O. Div. Chemical Technology,Inkata Press,1
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