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acacia melanoxylon janka

Posté par le 1 décembre 2020

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My recommendation? The Janka rating is around 670-730 and the specific gravity is 0.45. Moderately heavy vessel penetration is obtained in the sapwood. The sapwood is yellowish. The bushfire factor may seem destructive, but at the same time it has allowed not only vegetation but also animal species to develop that have an ability to escape from fires easily. Technol. Blackwood, like other Australia acacias, generally comes in naturally lustrous golden brown color of grain, but it can darken to a medium reddish brown color. Many stems are buttressed, From: Chudnoff, Martin. The archaeological record in Australia shows that, despite worsening in recent years, it has been a place of record-breaking temperatures for thousands of years. Janka Hardness rating: 1160 (Blackwood) and 3100 (Raspberry Jam) Many stems are buttressed, defective, or irregular and, in the open, boles are rarely clear for more than 12 to 14 ft. Contemporary Family Room by Portland Interior Designers & Decorators nicole helene designs. Distribution: Native to Tasmania and eastern Australia; also introduced to Africa, South America, and southern Asia. Decay and Weather Resistance: Rated as moderately durable regarding decay resistance, though susceptible to insect attack. ft. 4 ft. x 25 ft. x 0.08 in. 1984. Aust. Mechanical Properties: (First set of data based on the 2-in. Many people purchase furniture made of acacia wood for this reason. Thickness x 3/4 in. The tree likes sun at the location and the soil should be . Another common varietal, Raspberry Jam, is a much denser and harder species, but its name doesn’t refer to its color at all, rather to the unique scent it produces when cut. It is one of the hardest domestic varieties of wood with a Janka hardness of 1,790. For. Acacia melanoxylon grows to a great size quickly. Growing in a relatively small geographical distribution area in southeastern Australia, our Australian Koa has all the appealing attributes one can expect: beautiful color, beautiful grain. Acacia melanoxylon - utilization. Main Color Group: Reddish Brown. Length Molding; Coordinates with hardwood flooring of any thickness; 94 in. Prod. TASMANIAN BLACKWOOD (ACACIA MELANOXYLON) Tasmanian Blackwood is a member of the wattle family. Acacia comes by this quality naturally. Uses: Fine furniture and cabinet wood, fancy veneers, interior joinery, bentwork, turnery, tight cooperage, gunstocks, musical instruments. Bling factor: Can be very highly figured. Sometimes the woods that make the best choices for our homes are also those that are beginning to become rare or even endangered. Region NSW Construction: High Density Fiberboard (HDF) Molding; Prefinished Natural Acacia, Medium Color The Australian acacia is one of the best options that we have for hardwood flooring today. Premium Underlayment for Laminate, Hardwood, and Engineered Floors length per molding and molding weight: 1 lb. The Mahogany is slightly lighter at 34lb/ft while Acacia is 42 lb/ft, and both are close to Hawaiian Koa which is approximately 41lb/ft and .55 specific gravity. Home Legend Matte Natural Acacia 3/4 in. 607. Add to cart. Australian "Koa" flooring (Acacia Melanoxylon), a.k.a. Kiln schedule T6-D2 is suggested for 4/4 stock and T3-D1 for 8/4. Ag. Seasoned timber hardness rating (Janka) kN 4.2–4.9. There is no better wood on the market today for interior design in terms of both reliability and environmental awareness. Tree Size: 65-100 ft (20-30 m) tall, 2-3 ft (.6-1.0 m) trunk diameter. Not only do the tree’s spines keep away possible interest from animals, but its fresh plant material can be toxic to some, such as cattle. JORD watchmakers hand-craft wood watches from acacia wood sourced from Tanzania, Africa, and Southern Asia. Not ring porous so distinct rings due to darker colour & higher density (see left). Acacia melanoxylon R. Br. For. Workability: Medium. For. Pap. Janka Hardness - N: 5480. Avg Dry Weight - KG/M3: 640. It measures the force required to embed a 0.444 inch diameter (11.28 mm) steel ball into the surface of the wood to half the ball's diameter. Avg Dry Weight - LB/FT3: 40. 6. To learn more, please consult BuildDirect's, Sheds and Outbuildings Extend Your Life Outside, Design Ideas to Make a Small Condo Feel Bigger, Expert Design Ideas, 6: Interior Design With Seasons In Mind, The Future of Interior Design Due to COVID-19, Multipurpose Room Ideas: Making the Most of Limited Space, How to Match Your Wall Color with Wood Flooring, Alternative Ground Coverings In Low-Maintenance Backyards, Upcycling Pallets: Plans for Projects Around the Home, How to Design the Perfect Baker’s Kitchen. Acacia is a genus of wood with many different species. Australian Blackwood (Acacia melanoxylon) is considered to be a more sustainable, and visually/mechanically similar substitute. Dep. The units that are shown here are lbs of force. Other Common Names: Australian Blackwood, Tasmanian Blackwood, Blackwood. Common color spectrum: Medium golden to medium to dark reddish brown Acacia melanoxylon Family: Leguminosae Australian Blackwood Other Common Names: None. It may be important to mention that, when the wood is not finished, it can produce an allergic or toxic reaction in some people, in the same way it does with animals. The species is also known as Blackwood, hickory, mudgerabah, Tasmanian blackwood, or blackwood acacia. The timber is easy to work with hand or machine tools; can be steam bent easily down to a 3-in. Utilization Section, Forest Division, Moshi. Heartwood is reported as not treatable using either open tank or pressure systems. End grain x 10 Growth ring Growth rings distinct. Durability of heartwood is reported as intermediate and is readily attacked by termites; sapwood is moderately susceptible to. This medium-dense hardwood requires the … In-Ground Durability Class Rating 3. Shrinkage green to ovendry: radial 3.4%; tangential 9.0%. Forest Products Laboratory toughness 146 in.-lb for green material (2-cm specimen). Sustainable, durable, and readily available, this wood is a superstar. Distribution: Eastern Australia from Queensland southward to Victoria and also in Tasmania. Texture is moderately coarse & usually straight grained. Origin: Acacia grows in the mountain districts of southern New South Wales, Victoria, South Australia and is also found in Tasmania. Newsletter. Above Ground Durability Class Rating 3. Acacia grows so plentifully in the harshest of conditions in this country that it has choked out almost everything except eucalyptus and cypress pines. CSIRO Aust. In this series of articles, I’ve touched on some of the challenges that we face in logging some of the world’s best hardwoods, such as mahogany and even maple, owing to the decrease in forestation that can be caused by widespread production. Janka Hardness - N: 5180 Hardwood Flooring Product Profile: What Is Australian Acacia? Timbers of Tanganyika: Acacia melanoxylon (Australian Blackwood). Add to quote. Availability New & Recycled. Properties of             Australian timbers: Blackwood. Only raw, just-cut acacia has the potential to cause a reaction. Australian acacia is not like the rest. Drying and Shrinkage: Australian grown wood is reported to be easily seasoned without degrade. (Trust me, this is important.). Average Dried Weight: 40 lbs/ft 3 (640 … Red, gold, and tan color is also common dependent on the location of the tree’s origin. Paler sapwood isn’t always clearly differentiated from the heartwood. Acacia Wood. Acacia most differs from Koa in its grain pattern which presents with ribbon-like streaks of color. 1963. Wood Species: Acacia Melanoxylon Aka Australian Blackwood; 3/4 in. Introduced into East and South Africa, India, Ceylon, Chile, and Argentina. Avg Dry Weight - LB/FT3: 40. That’s because 960 of the original acacia species are situated in that single geographic region. Tanzania: Util. No. The test measures the "force required to embed a 11.28 millimeter (0.444 inch) steel ball into wood to half its diameter." According to Carpet Express (JANKA Hardness Number of Acacia is 2200), it is 70% harder than the Red Oak and 65% harder than the White Oak. The Tree: Reaches a height of 100 ft with trunk diameters up to 3 ft. The names of Australian acacia might be misleading, so it pays to be careful when choosing a wood for your home improvement project. The majority of the species are found in Australia, but some acacia species are found in Africa, Europe, Asia, and North and South America. No restrictions. Many stems are buttressed, defective, or irregular and, in the open, boles are rarely clear for more than 12 to 14 ft. General Characteristics: Heartwood golden to dark brown, sometimes with a reddish tinge; dark streaks mark the growth zones; sharply demarcated from the straw- colored sapwood. Introduced into East and South Africa, India, Ceylon, Chile, and Argentina. This force is recorded in both pounds-force (lbf) and kilo-Newtons (kN). Lisa Michelle is an editor, lifestyle writer, and novelist. The Janka hardness test is the international standard for measuring the resistance of a sample of wood to denting and wear. Latin name: Acacia melanoxylon (Blackwood) or Acacia acuminata (Raspberry Jam) Acacia melanoxylon. Main Color Group: Medium Brown. Working Properties: The timber is easy to work with hand or machine tools; can be steam bent easily down to a 3-in. Acacia melanoxylon–Wood properties. Newsletter. Durability: Durability of heartwood is reported as intermediate and is readily attacked by termites; sapwood is moderately susceptible to Lyctus attack. For table tennis blades, the general rule is the harder the wood, the faster the blade. BOBO BIRD watchmakers hand-craft wood watches from golden camphor wood sourced from Southeast Asia. 1963. It is able to grow as tall as 30m in protected areas but is generally smaller, around the 15m mark, in more exposed and open conditions. Prod. Australian grown wood is reported to be easily seasoned without degrade. Australia. The wood is very hard & heavy. The heartwood is deep brown to purple black. Acacia wood is often confused with Koa as it has a similar rich bronze tone. Uses: Back & sides, drop tops, veneer. f. foliage and seeds with elaiosomes Acacia melanoxylon R. Br. Acacia wood is often confused with Koa as it has a similar rich bronze tone. Acacia trees and shrubs come from the Acacia genus, Fabaceae (legume) family, and Mimosoideae subfamily. Owing to its survival mechanisms, honed over the years in the harshest of environmental conditions, this is a tree that grows relatively quickly. Many varieties of acacia wood are both attractive and fragrant, making them ideal for luxury items and furnishings. standard, second set the 2-cm standard. Basic specific gravity (ovendry weight/green volume) 0.57; air-dry density 40 pcf. In fact, because of its fire-resistant qualities, it has been considered an invasive species, even in its native land. Preservation: Heartwood is reported as not treatable using either open tank or pressure systems. Australian Blackwood or Tasmanian Blackwood, grows in a few areas of South Eastern Australia but is mainly sourced from Tasmania. The color of Camphor can be highly variable depending on the species and growing conditions. As I mentioned in my piece on African Acacia, the legendary species that has inspired millennia of fables and traditions, the wood that we generally know as acacia consists of over 1300 different species. Other Names: Australian Blackwood, Knysna Blackwood. Scientific Name: Acacia melanoxylon. Not only do they have a very durable trunk that actively resists fire, but they also have a mechanism that allows them to regenerate quickly. Acacia hardwood flooring from BuildDirect. ex Ait. Wikipedia best explains what the test invovles. It is a good measure of the durability and workability of a wood species. She’s also an avid traveler, lover of animals, and admitted Anglophile. Janka Hardness - LBF: 1160. Distribution: Eastern Australia from Queensland southward to Victoria and also in Tasmania. For. No. The leaves are oblong and the flowers are yellow. Koa is widely considered to be the most beautiful and useful of Hawaii’s native hardwoods, and along with Monkey Pod and Mango , it is the most common Hawaiian species to be imported into the lower 48 United States. f. seeds Thick x 3/4 in. The wood is usually sold air dried & is considered one of the best turning woods in the world. The Tree: Reaches a height of 100 ft with trunk diameters up to 3 ft. Avg Dry Weight - KG/M3: 670. 3 min read Wide x 94 in. USDA Forest Service. Width x 94 in. Stability: Good (low-shrinkage). BoBo Bird watchmakers hand-craft wood watches from acacia wood sourced from Tanzania, Africa, and Southern Asia. The Tree: Reaches a height of 100 ft with trunk diameters up to 3 ft. Tropical Timbers of the World. CITES status: Not listed. Shop Specialty Wood Family: Fabaceae or Leguminosae, the legume family; the mimosa group. 25. Div. The tree is also grown on private land and on plantations. The Janka Side Hardness test measures the force required to press an 11.28mm (0.444 inch) steel ball to half its diameter cross-grain into a block of wood. Fine furniture and cabinet wood, fancy veneers, interior joinery, bentwork, turnery, tight cooperage, gunstocks, musical instruments. Bolza, E., and N. H. Kloot. The Tree is a deciduous tree, it will be up to 20 m (66 ft) high. The mechanical properties of 174 Australian timbers. The test measures the pressure required to embed an 11.28mm (.444 in) diameter steel ball into wood to half the ball's diameter. Prod. Length Quarter Round Molding $15.98 FloorMuffler 100 sq. Latin name: Acacia melanoxylon (Blackwood) or Acacia acuminata (Raspberry Jam) Janka Hardness rating: 1160 (Blackwood) and 3100 (Raspberry Jam) Common color spectrum: Medium golden to medium to dark … It’s a sustainable wood because once cut, another one can be planted, and the tree’s rapid growth decreases the likelihood of running out of them. Site Design by ©BuildDirect 2001 – 2020, By continuing to browse this website, you agree to the use of cookies for the collection of traffic statistics and to improve the quality of our website. RIYL: Koa, Mahogany. External/Internal Internal. Red, gold, and tan color is also common dependent on the location of the tree’s origin. Australian Acacia stats. And its bushfires. Acacia melanoxylon, commonly known as the Australian blackwood, is an Acacia species native in South eastern Australia. Weight: Basic specific gravity (ovendry weight/green volume) 0.57; air-dry density 40 pcf. But how do acacias survive? Its spiny exterior means that its leaves aren’t used as a food except for the smallest of animals such as lesser bushbabies, which resemble tiny monkeys. One of the most valuable acacia wood varieties is Australian Blackwood, or Acacia melanoxylon.Blackwood trees can grow very large, up to 148 feet (45 m), and their timber is used in decorative furniture such as cabinetry, musical instruments, wooden tools and kegs, and boat … Due to its workability as a hardwood, acacia can be used for everything from floors to banisters, even to musical instruments. Prod. The reason that true acacia has grown to a massive level in Australia, however, is that it has one single quality that makes it absolutely perfect for the land down under, and also perfect for hardwood flooring: fire resistance. 4. ex Ait. ... Mahoganies used in these instruments can have a Janka Hardness of around 800-900 for that specie, and Western Red Cedar is around 360. Wood grown in Tanganyika had negligible checking and splitting but with a marked tendency to cup. Grain Pattern: Pronounced. A country and continent known for its vast deserts, its weird and wonderful fauna, and the Great Barrier Reef. If you buy a finished product, the wood will have been treated so that it no longer produces sap, however. Introduced into East and South Africa, India, Ceylon, Chile, and Argentina. 60. Workability: Medium. Janka Rating The Janka hardness test measures the hardness of wood. Janka: 1100. Acacia melanoxylon is a strong timber tree suitable for large areas such as playgrounds and parks. The wood is a pale yellowish brown to yellowish green. CSIRO Div. This high-end flooring is golden brown, quite often showing darker brown bands. Australia: CSIRO For. COUNTRY OF ORIGIN: Africa BOTANICAL NAME: Acacia melanoxylon JANKA HARDNESS: 1720 Janka Hardness - LBF: 1160. Occasional reddish streaks are … But we’ll get to that in a moment. One beautiful flooring option, Acacia hand-scraped hardwood, falls under both of these desirable categories. It is more sustainable than the oak tree because they have a short life span of 15-30 years thus can be grown quickly, while oak trees have an average life span of 80-200 years . For some of its species such as Blackwood, acacia grows to a massive width, which means that it makes for an excellent building material. Make like a kangaroo and jump to it. Acacia melanoxylon. Australian Koa flooring (aka Australian Blackwood, Tasmanian Blackwood) ~ Species: Acacia Melanoxylon ~ A high end flooring that is increasingly popular in the USA. 295. Handbook No. Janka side hardness 950 lb for green material and 1,100 lb at 12% moisture content. Grain Pattern: Even. August 31, 2015   |   radius; glues and stains well and can be highly polished. But, since the reorganization of the Acacia genus in 2013, the only species that are technically seen as acacia are those that grow in Australia. Tree Size: 65-100 ft tall. Density 640 kg m-3, Janka hardness 5,180 N. Shrinkage: Radial 3.9% tangential 7.9%. There’s a reason that kangaroos can jump at a speed of up to 44 miles per hour. ), Moisture content   Bending strength   Modulus of elasticity   Maximum crushing strength, (%)                  (Psi)                            (1,000 psi)                   (Psi), Green(6)                      10,400                         1,710                           4,880, 12%                             15,900                         2,050                           8,420, 12% (60)                     14,600                         2,210                           NA. Scientific name: Acacia melanoxylon. BOBO BIRD selects stock that is light brown, with shades of grey & olive green, creating a golden hue. Botanical Name Common Name; Acacia implexa: Lightwood: Acacia melanoxylon: Blackwood: Allocasuarina torulosa: Forest She-Oak: Allocasuarina verticillata: Drooping She-Oak   |   Lisa Michelle, TAGS Interior Design & Architecture Products and Benefits, “Pekoe Brown” acacia hardwood flooring from BuildDirect. The Australian Blackwood is botanically called Acacia melanoxylon. Acacia most differs from Koa in its grain pattern which presents with ribbon-like streaks of color. Bushfires have always been frequent and difficult to control. I’m not saying that true acacia can’t ever be set on fire, but it, along with the eucalyptus tree, is one of the most fire-resistant woods on earth. Acacia melanoxylon . When cut, the wood has a high polish, and it has a sweet smell to it. 1963. Eastern Australia from Queensland southward to Victoria and also in Tasmania. Available in: 5/4 ... Janka Hardness: 1,160. Acacia melanoxylon. It's expressed in psi, or pounds-per-square-inch. Most contemporary acacia timber comes from the Australian blackwood tree (Acacia melanoxylon) or the Hawaiian koa tree (Acacia koa). Lustrous; texture fine to medium; grain usually straight, sometimes interlocked or wavy; without distinctive odor or taste. Other Names: Acacia Blackwood, Australian Blackwood, Australian Hickory, Black Wattle, Lightwood, Mudgerabah, Sally Wattle, Tasmanian Blackwood. Availability: Limited but steady. Janka stands for the Janka Wood Hardness Rating. These trees possess shoots that sprout after a fire, and have fire-resistant or fire-triggered seeds, depending on the exact species. Reaches a height of 100 ft with trunk diameters up to 3 ft. Heartwood golden to dark brown, sometimes with a reddish tinge; dark streaks mark the growth zones; sharply demarcated from the straw- colored sapwood. Acacia koa is one of the most expensive and most coveted woods in the world. Trade names: Australian blackwood/ Black Acacia. Movement in service is reported as medium. This is much harder than maple, one of the hardest varieties, which stands at 1,450. Black Locust robinia pseudoacacia, Acacia, False Acacia (See also "Locust") H=4, M=3.5, B=3, S=4.3, O=3.2, T=3.1 Black Locust, is a ring-porous hardwood. In Tasmania, it occurs from sea level to 1000m in elevation, thriving in swamps, riverine areas and in wet eucalypt forest understorey.

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