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Black tupelo (Nyssa sylvatica)
Family: Cornaceae Common names: Black gum, Black tupelo, Chan thip, Lau tau, Mascalwood, Pepperidge, Resak, Sourgum, Taungsagaing, Tupelo, Tupelo gum Distributed in: United States (North America) Distribution overview: The growth range of Black tupelo in North America includes Ontario, Alabama, Arkansas, Connecticut, Delaware, Florida, Georgia, Indiana, Kansas, Kentucky, Louisiana, Massachusetts, Maryland, Maine, Michigan, Missouri, Mississippi, North Carolina, Great Smoky Mountain National Park, Illinois, New Hampshire, New Jersey, New York, Ohio, Oklahoma, Pennsylvania, Rhode Island, South Carolina, Tennessee, Texas, Virginia, Vermont, Wisconsin, and West Virginia. The tree is often found in hardwood and pine forests and prefers moist soils of valleys and uplands. Common uses: Baskets, Chairs, Chests, Concealed parts (Furniture), Cooperages, Core Stock, Crossties, Decorative veneer, Desks, Dining-room furniture, Dowell pins, Dowells, Drawer sides, Factory flooring, Figured veneer, Fine furniture, Floor lamps, Flooring, Food containers, Furniture , Furniture components, Furniture squares or stock, Hatracks, Kitchen cabinets, Living-room suites, Office furniture, Pallets, Plain veneer, Pulp/Paper products, Pulpwood, Radio - stereo - TV cabinets, Railroad ties, Rustic furniture, Stools, Sub-flooring, Tables , Utility furniture, Veneer, Wardrobes Product sources: Supplies of Black tupelo plentiful, and the material is readily available, especially in the Eastern United States, at inexpensive prices. Environment profile: Abundant
May be rare in parts of its range, especially along the periphery
Tree size: Trunk diameter is 100-150 cm
Colors: the heart isRed, Yellowand the sapwoodWide, Yellow.The grain isModerately to severely interlocked, the textureUniformand the lusterMedium
Natural durability: Resistant to termites, Susceptible to insect attack Odor: No specific smell or taste
Kiln Schedules: T6 - H2 (4/4) US Drying Defects: Interlocked grain may cause severe warping and distortion , Water pockets Ease of Drying: Stack timber carefully to minimize degrade Blunting Effect: Medium effect
Boring: Easy
The wood bores easily. (Percent of pieces yielding good to excellent pieces in boring = 82)
Cutting Resistance: Medium cutting resistance Gluing: Good gluing properties Mortising: Very poor mortising properties
Mortising properties are very poor. (Number of fair to excellent pieces out of one hundred = 24)
Moulding: Responds poorly to mortising
The timber responds poorly to moulding. (Perecnt of pieces producing good to excellent in moulding = 32) Movement in Service: Responds poorly to mortising
The timber responds poorly to moulding. (Perecnt of pieces producing good to excellent in moulding = 32) Nailing: Difficult to nail, Pre-boring recommended Planing: Special attention required Resistance to Impregnation: Resistant sapwood Response to hand tools: Somewhat difficult to work with hand tools Sanding: Very poor response to sanding
Number of pieces out of one hundred yielding good to excellent sanding results = 21
Steam bending: Very poor
Percent of unbroken pieces = 42
Screwing: Possible if prebored
Number of screwed pieces free from complete splits = 63
; Turning: Somewhat difficult to turn
Number of fair to excellent pieces out of one hundred = 79
Painting: Very Good to Excellent;
Resists denting and marring Hardness = medium Compression strength (parallel to grain) = medium Bending strength (MOR) = medium Weight is about average. Boone, R.S., C.J. Kozlik, P.J. Bois and E.M. Wengert. 1988. Dry Kiln Schedules for Commercial Woods: Temperate and Tropical. United States Department of Agriculture, Forest Service, Forest Products Laboratory, General Technical Report FPL-GTR-57, Madison, Wisconsin.Kline, M. 1985. Nyssa sylvatica - Blackgum. In A Guide to Useful Woods of the World. Flynn Jr., J.H., Editor. King Philip Publishing Co., Portland, Maine. 1994. Page 245.Little, E.L.1980.The Audubon Society Field Guide to North American Trees - Eastern Region.Published by Arthur A. Knopf, New York.Panshin, A.J. and C. deZeeuw. 1980. Textbook of Wood Technology, 4th Edition. McGraw-Hill Series in Forest Resources. McGraw-Hill Book Company, New York.USDA. 1987. Wood Handbook - Wood as an Engineering Material, Forest Service, Agriculture Handbook No. 72, Forest Products Laboratory, Madison, Wisconsin.USDA. 1988. Dry Kiln Operators Manual, Preliminary Copy. Forest Service, Forest Products Laboratory, Madison, Wisconsin. |
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