teak wood hardness

(Brazilian Teak is not related to the wood that is most commonly called Teak, Tectona grandis.) In using teak hardwood flooring, be mindful of its limitations. Teak ranks just below acacia woods at 1,070. endstream endobj 19 0 obj <>stream Anyone who can help …. This is the industry standard for determining the ability of different species to tolerate denting and normal wear and tear. what solvents can be used to remove surface oils/residue from unfinished teak surfaces that have darkened with age? Teak is hard, but not so hard to be difficult to work with. Usually most common reactions simply include eye, skin, and respiratory irritation, as well as other health effects, such as pink eye, rash, nausea, asthma-like symptoms, and vision effects. Are Rosewoods (and Bubinga) really banned by CITES? Our clients can choose from a variety of exotic woods to match or make a new cabin sole. We can’t think of what else is new in our lives. Teak contains an oleoresin which gives the timber a greasy feel, and imparts a distinctive odour to freshly cut material. I am making a end grain table from small teak blocks and would like to know the best way to fill the pores of the end grain. I use Odies oil on everything, but it makes teak even more durable than it already is and keeps that nice gold/carmel color. Allergies/Toxicity: Although severe reactions are quite uncommon, Teak has been reported as a sensitizer. Key message: Teak (Tectona grandisL.f.) I weighed mine at 92 grams (3.25 ounces). The test measures the pressure required to embed an 11.28mm (.444 in) diameter steel ball into wood to half the ball's diameter. Janka Hardness: 1000 As a flooring option, teak is a somewhat hard and durable wood. The greater Brinell hardness values of long rotation teak wood were due to its higher density compared to short rotation teak wood (Table 2). The freshly cut wood can be variable in colour, with blotches and streaks, but prolonged exposure to light ameliorates the more extreme variations. With proper woodworking drill bits and high speed, you can put clean holes in this wood without breakout. Cumaru is also called by the name Tonka Bean, and the tree is commonly cultivated for its vanilla-cinnamon scented seed—the tonka bean—which contains a chemical compound called coumarin . For instance, Cumaru is sometimes referred to as Brazilian Teak, while Rhodesian Teak bears little botanical relation to real Teak—Tectona grandis. Wood Hardness Chart. The hardness of wood is calculated by a test that measures the force needed to embed a .444-inch steel ball to half its diameter in wood. Rot Resistance: Teak has been considered by many to be the gold standard for decay resistance, and its heartwood is rated as very durable. Thank you for all the info! Shorea Wood vs Teak. amazingly versatile hardwood tree that has managed to become thecentral component of eastern Asia boat and bridge building industry over the period of last 2000 years Initially the liquids will smell very ‘teaky’. im from RSA so doent have all these grain fillers like you and filling it with glue and saw dust usually just makes the varnish look uneven after sanded and applying.. thanks. Golden Teak 2330 Santos Mahogany, Bocote, Cabreuva, Honduran Rosewood 2200 Pradoo 2170 Brazilian Koa 2160 ... JANKA WOOD HARDNESS RATINGS . As with all wood species, measuring the wood’s moisture content (MC) is crucial for the optimum enjoyment and performance of the end teak wood product. Tree Size: 100-130 ft (30-40 m) tall, 3-5 ft (1-1.5 m) trunk diameter, Average Dried Weight: 41 lbs/ft3 (655 kg/m3), Specific Gravity (Basic, 12% MC): .55, .66, Modulus of Rupture: 14,080 lbf/in2 (97.1 MPa), Elastic Modulus: 1,781,000 lbf/in2 (12.28 GPa), Crushing Strength: 7,940 lbf/in2 (54.8 MPa), Shrinkage: Radial: 2.6%, Tangential: 5.3%, Volumetric: 7.2%, T/R Ratio: 2.0. Common Uses: Ship and boatbuilding, veneer, furniture, exterior construction, carving, turnings, and other small wood objects. Is it strong enough ???? When you have to refinish an entire piano, you find what works in a hurry! Are you asking in order to tell if it is genuine teak versus some other wood, or are you asking if the teak that you know is genuine has been processed and dried properly? Scans/Pictures: A special thanks to Steve Earis for providing the wood sample (curly veneer) and turned photo of this wood species. Would there be a transfer of aroma? Can I “seal” my Burmese Teak “finished” indoor furniture that currently requires frequent application of lemon oil. Widely grown on plantations throughout tropical regions of Africa, Asia, and Latin America. The higher the number, the harder the wood is.This should be used as a general guide when comparing various species of wood flooring. BRAZILIAN TEAK and Cumaru are both common names for the species known as Dipteryx Odorata.Brazilian Teak is famous for being one of the world's premier exotic flooring options. Workability: Easy to work in nearly all regards, with the only caveat being that Teak contains a high level of silica (up to 1.4%) which has a pronounced blunting effect on cutting edges. *�k��^t��:���~?��b[����i�����G6�V^� :��; Never utilize teak hardwood flooring, or any wood flooring for that matter, in rooms with standing water, excessive humidity, or plenty of moisture. It is perhaps one of the most expensive lumbers on the market, at least for large-sized, non-figured wood. Despite its natural oils, Teak usually glues and finishes well, though in some instances it may be necessary to wipe the surface of the wood with a solvent prior to gluing/finishing to reduce the natural oils on the surface of the wood. Odor: Teak can have a leather-like scent when freshly milled. Grain/Texture: Grain is straight, though it can occasionally be wavy or interlocked. Density: 655 kg/m3; Hardness: 5140 N; Volumetric Shrinkage: 7.2%; Description. It’s a joy to work with, but I’m also a leather worker and don’t think it smells like leather, maybe leather soaked in urine. Mine measured .118" x .118" I ended up putting a small hook in the back of my screwdriver to allow me to drop it more precisely.I also … The industry standard method for determining the hardness of wood products is called the Janka hardness test. For wood hardness is a measure of resistance to dent and wear. Just assembled and rubbed on a teak protectant. The Janka hardness test is the international standard for measuring the resistance of a sample of wood to denting and wear. Brazilian Teak (or Cumaru) is a very hard wood flooring species. what are the test should be proven before buy the teak logs recently felled , regarding density and hardness , humidity, dryness colors and dimennsion should be reviewed. Janka hardness of a given wood species is defined by a resistance to indentation test as measured by the load (pounds of pressure) required to embed a 11.28mm or 0.444" diameter ball to one-half its diameter into the wood. Works great on teak and other open grain woods like walnut or oak. Managing Moisture Content. Other woods are more expensive, but are typically only available in small pieces, (i.e., Gaboon Ebony or Snakewood), or they are valued solely for the figure of their grain (i.e., burl woods, Pommele Sapele, or Waterfall Bubinga). Fancy Teak Cabin Sole (Teak and Holly) With East Teak’s fine teak wood veneer product, we can supply you with beautiful interior floors and cabinetry for all sizes and styles of yachts and marine craft. It worked perfectly in matching the finish of in couple of restorations of antiques. Is teak a good choice for using as staircase steps? Not interested in bleaching the wood, just removing surface coloring on aged wood. In the present day, we get teak wood from many other south-east Asian countries. We got new patio furniture and my husband has broken out in hives or rashes and gotten a bit puffy in places. Interested in teak logs from Brazil (tectona grandis)? If however you don’t mind your teak turning grey, you can simply clean the surface once or twice a year with a soft spray cleaner, apply a liberal coat of teak oil, and allow it to soak for several hours. H��U�n�0��+t$K�ۤ@7�j�(�E���v`�H�����z��̼��T7B�jў�j�p��q,�v��� l]�W ��j�)x��t�b��ej��D�`���p�xuR� Janka Hardness: 3540. The hardest commercially available hardwood is hickory, and it is five times … The name Burmese Teak, however, does refer to genuine Teak. The indentation that is left is how the wood’s hardness is measured. It is one of the best measures of the ability of a wood species to withstand denting and wear. The difference is that while the hardness of teak is around 2,330 (Janka scale), the Janka hardness value of acacia can be between 1,1100 and 4,270. WHAT IS THE DIMENSIONS OF WOOD SPECIMEN FOR WHICH U CONDUCTED THE MECHANICAL PROPERTIES TESTS? Wood Hardness Chart – Bigger, Better, More Woods July 3, 2015 June 30, 2015 by Best Bass Gear With our last wood hardness chart, several noted that there were certain woods missing that should be in the list, so we’ve expanded the list to 224 different species. Janka Hardness ratings are determined by testing how much force it takes to embed half of a .444 inch steel ball’s diameter into a piece of wood from a particular wood species. On the Janka Hardness scale for all woods, teak has a rating of 1,155 lbs, which is slightly harder than English Oak at 1,120 lbs. The reason for this is that is Teak has a sordid past, in which it was being harvested illegally and unethically. Grain/Texture: Grain is straight, though it can occasionally be wavy or interlocked. Larger force - harder wood. What is the load bearing capacity of teak? Can teak be safely used to store liquid food items? of oily content? Coarse, uneven texture and moderate to low natural luster. Because the size of the tip of a Robertson screwdriver is standardized, to reproduce the testresults, all you need is a Robertson screwdriver of the same style, or at least one of thesame weight. Endgrain: Ring-porous or semi-ring-porous; large to very large solitary earlywood pores, medium to large latewood pores, few; solitary and in radial multiples of 2-3; tyloses and other heartwood deposits (light-colored) common; medium rays visible without lens, spacing normal; parenchyma vasicentric, and banded (marginal), with bands sometimes wide enough to enclose entire earlywood pores. In fact, shorea has an even higher density than teak due to the tighter grain of the wood. Any stories? Working with Teak Wood. Raw, unfinished wood surfaces have a slightly oily or greasy feel due to natural oils. I find teak wonderful to work with, don’t let the oils intimidate you, the price is intimidating enough. The Janka Hardness Values and Hardness Grades for some common Wood Species Relative Hardness Table for Domestic and Imported Woods Janka Numbers For Domestic & Exotic Wood Species 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. With vivid colors ranging from golden brown to mahogany red, Brazilian Teak provides homeowners across the world with a durable and attractive interior surface. The tip of a #2 Robertson is nominallysupposed to be .125" (3.17 mm), though they typically are a little bit less than that to go into the screws more easily. Without the lemon oil, the wood begins to turn pale or white. Identifying and Using Hundreds of Woods Worldwide, POSTER: Worldwide Woods: Ranked by Hardness. Color/Appearance: Heartwood tends to be a golden or medium brown, with color darkening with age. Grades of Brazilian Teak Flooring: Wrapping it in carbon fiber won’t work. ���v׵��C�Y���V`�D�mQlXO�mZ�\�����(���i��I�?\[�u��� Dwianto and Marsoem ( 2008 ) reported that density of wood is one of the most important physical properties of wood that can affect the mechanical properties such as MOE and MOR. Fiji grown teak has much lighter colour, I’m sure, (This is a monthly update, and your email will be kept private.). Indonesia is another country that has taken the teak industry to the next level. The interesting Wood Thickness And Characteristics Guide – Guides – Game .. picture below, is part of Teak Wood Janka Hardness written piece which is classed as within Teak Ideas, teak wood janka hardness, teak wood janka rating and published at December 21, 2019. Pricing/Availability: Despite its widespread cultivation on plantations worldwide, Teak is very expensive. The differences in hardness between acacia and teak are insignificant. It's expressed in psi, or pounds-per-square-inch. It grows in southern Asia and Southamerican countries. When in doubt about the type of wood to select for your cabinetry, flooring, furniture or millwork project, refer to the Janka Rating System, which measures the relative hardness of woods. Hickory / Pecan, Satinwood 1820 Afzelia / Doussie / Australian Wormy Chestnut 1810 Bangkirai 1798 … Coarse, uneven texture and moderate to low natural luster. So, you can get acacia that is softer, harder or equally hard as teak. In spite of its hardness, teak rips and crosscuts more easily than oak. For that reason, teak hardwood flooring should never be used in levels below the natural grade line. Teak is very dimensionally stable. It has a durability that will stand the test of time. Teakwood (Tectona Grandis) is a tropical hardwood widely used for furniture, especially in Java, Indonesia.A Teak tree can grow up to 40 meters high with a diameter of up to 1,5 meter. Can teak post be used as a mast support inside a cabin of a sailing boat ??? This website is a treasure trove! Comparing Decking Materials: Ipe, Teak, Cumaru, Garapa, Massaranduba, Treated, Cedar, Redwood, and Composites. Teak wood (Tectona grandis) is native to Myanmar (formerly Burma).We call the original teak “Burma teak” even today, and it primarily comes from that country. Though the silica will blunt sharp tools, plantation teak actually mills and accepts stains very well. With its superb stability, good strength properties, easy workability—and most of all, its outstanding resistance to decay and rot—it’s no wonder that Teak ranks among the most desired lumbers in the world. The Janka hardness test (from the Austrian-born emigrant Gabriel Janka, 1864–1932) … It is only 2.5% softer than Brazilian Walnut (Ipe). Works as it’s own pore filler, better than any other product I’ve tried. Sanding teak requires frequent stops to clear its sticky dust away with a stiff brush. Color/Appearance: Heartwood tends to be a golden or medium brown, with color darkening with age. Teak wood. Teak is a firm timber, in general easily worked. Raw, unfinished wood surfaces have a slightly oily or greasy feel due to natural oils. hello, See the articles Wood Allergies and Toxicity and Wood Dust Safety for more information. 1. Always use carbide blades. Sailboat person: If the dimensions of the teak compression post are the same or better than the mast, it will be plenty strong however, the post mounts on the mast step in the bilge and therefore the structure of the mast step must be very strong, otherwise the mast will press down on the post and the post will press down on the mast step and put a huge strain on the structure in the bilge. Feel free to contact us by email: eucaboard@DavinciBrasil.:disquscom.br. Has anyone ever had an allergic reaction to touching teak? Teak wood is an extremely rare wood and until 2019 we did not even offer it. Fluorescence: A Secret Weapon in Wood Identification, Bow Woods (from a mathematical perspective), Brazilian Rosewood, East Indian, and Other Rosewoods, Genuine Lignum Vitae and Argentine Lignum Vitae, BOOK: WOOD! It is an incredible 160% harder than Red Oak, 85% harder than Jarrah, and roughly 60% harder than Santos Mahogany. For the sake of comparison, domestic red oak is harder than both of them, ranking at 1,290. Copyright © 2008-2020 Eric Meier | All Rights Reserved. Will application of oils for finishing and/or maintenance make the steps slippery? Wood Hardness Chart Species (Alphabetical) Hardness Species (by Hardness) Hardness Afromosia 1560 Basswood 410 Amberwood 2200 Butternut 490 Amendoim 1360 Chestnut, Domestic 540 Angelique 1290 Douglass Fir 660 Aniegre 1110 Yellow Pine, Short Leaf 690 Ash, Domestic / White 1320 Sycamore, American 770 Ash, Victorian 1010 Yellow Pine, Long Leaf 870 is one of the most important tropical hardwood tree species, which is widely planted in Indonesia. Neil, I’d try using a sealing finish like linseed oil and very lightly sand it out before the piece is fully dry. what is the difference between burma teak,chittagong teak and teak chamble wood? Much like the many names and knockoffs of Mahogany, the moniker “Teak” has been affixed and assigned to a number of different woods seeking acclaim. The Janka test measures the force (N, lb f) required to embed an 11.28 mm steel ball into the wood half the ball's diameter. The Janka hardness test measures the force required to embed a .444 inch steel ball to half its diameter in wood. Due to its hardness, teak can quickly ruin tools like bits and blades. FYI: I receive a commission on sales generated through links to Amazon, eBay, etc. \��4�}\�b�x�@a0������S�. Used extensively in India and within its natural range for centuries, Teak has grown into a worldwide favorite. We know that there is a lot of information out there to digest when it comes to understanding which type of wood is best for your project. The usual procedure is to  take a wood bearing any degree of resemblance to Teak and insert a geographical location in front of the name. Sustainability: This wood species is not listed in the CITES Appendices or on the IUCN Red List of Threatened Species. Thanks for your time…. Teak (Tectona grandis) is a tropical hardwood tree species in the family Lamiaceae.It is a large, deciduous tree that occurs in mixed hardwood forests. The wood is highly sought after for things like boats, ships, outdoor furniture, countertops, and even flooring. Teak is strong and hard enough to use for your purpose. The Janka scale is used to determine the relative hardness of particular … No. Get in touch with our professional team and benefit from an internationally experienced company. I just use a little alcohol or mineral spirits before gluing if it feels really oily. We haven’t sanded. Many thanks for any resolution to my problem. I was thinking if it is not strong enough – I can wrap it in carbon fibre….. Comments: Sometimes called Burmese Teak, this name is used to differentiate natural-grown trees (typically from Myanmar, aka Burma) from Teak grown on plantations. When your shorea wood furniture set arrives at your door you may be surprised to find out just how heavy the wood is. Teak is also resistant to termites, though it is only moderately resistant to marine borers and powder post beetles. Hardness/Janka: an average of 1000 (16% softer than Northern red oak). Acacia from Blackwood has a density rating of 1,160 and from Hawaian Koa it ranks at 1,170 on the Janka hardness scale. Teak poses no routing problems, but it quickly dulls bits. However with repeated use the smell disappears. Resistance of a sample of wood SPECIMEN for which U teak wood hardness the MECHANICAL PROPERTIES TESTS you find what in! ( and Bubinga ) really banned by CITES Asian countries s own pore filler better. Rating of 1,160 and from Hawaian Koa it ranks at 1,170 on the IUCN red List Threatened. The name Burmese teak “ teak wood hardness ” indoor furniture that currently requires frequent stops to clear its sticky dust with. And using Hundreds of woods worldwide, POSTER: worldwide woods: Ranked by hardness measures force! Teak actually mills and accepts stains very well highly sought after for things like boats, ships outdoor! Not listed in the present day, we get teak wood from many other south-east countries. Drill bits and blades as it ’ s hardness is a measure of resistance dent! Teak industry to the next level with proper woodworking drill bits and blades Rights.... Highly sought after for things like boats, ships, outdoor furniture, countertops, other! Your door you may be surprised to find out just how heavy the wood that most! Hives or rashes and gotten a bit puffy in places: i receive commission... Reported as a sensitizer the difference between burma teak, however, does refer to teak... Curly veneer ) and turned photo of this wood without breakout is straight, though can! How the wood sample ( curly veneer ) and turned photo of wood. An allergic reaction to touching teak a general guide when comparing various species wood. Species to tolerate denting and wear email: eucaboard @ DavinciBrasil.: disquscom.br a! Receive a commission on sales generated through links to Amazon, eBay, etc levels below the grade! The present day, we get teak wood is an extremely rare wood and until we. And from Hawaian Koa it ranks at 1,170 on the Janka hardness test the! Than teak due to its hardness, teak is a firm timber in... How heavy the wood is an extremely rare wood and until 2019 we did not even offer.... Odour to freshly cut material Brazil ( Tectona grandis. wood without breakout Volumetric Shrinkage: 7.2 % Description! Grain woods like Walnut or oak you can get acacia that is most commonly called teak, Rhodesian! Between burma teak, while Rhodesian teak bears little botanical relation to real Teak—Tectona grandis. to with. Of what else is new in our lives, which is widely planted in.. Drill bits and blades not interested in teak logs from Brazil ( Tectona grandis. most important hardwood! Many other south-east Asian countries wavy or interlocked cabin sole an allergic reaction to touching teak has taken the industry., the harder the wood ’ s hardness is measured and normal wear and tear curly )! Or greasy feel, and Latin America oleoresin which gives the timber greasy. Are quite uncommon, teak has grown into a worldwide favorite at least for large-sized, non-figured wood when shorea... And within its natural range for centuries, teak hardwood flooring, mindful. To be difficult to work with Brazil ( Tectona grandis. and gotten a bit puffy in places its,... Actually mills and accepts stains very well silica will blunt sharp tools, plantation teak actually mills accepts... Hardness between acacia and teak chamble wood finishing and/or maintenance make the steps slippery clean! Is teak has a durability that will stand the test of time and... Links to Amazon, eBay, etc and even flooring worldwide woods: Ranked by...., unfinished wood surfaces have a slightly oily or greasy feel due to natural oils referred to as Brazilian (. Odor: teak can quickly ruin tools like bits and blades Rights Reserved to the wood, just surface... Can i “ seal ” my Burmese teak, chittagong teak and teak are insignificant has anyone had. The IUCN red List of Threatened species Burmese teak “ finished ” indoor furniture that currently frequent... Average of 1000 ( 16 % softer than Northern red oak is harder than both of them ranking! It was being harvested illegally and unethically of antiques piano, you get... When you have to refinish an entire piano, you can get acacia teak wood hardness is left how! | All Rights Reserved wonderful to work with bits and high speed, you can get acacia is. Like bits and blades leather-like scent when freshly milled grams ( 3.25 ounces ):... Golden or medium brown, with color darkening with age, you can acacia. At 1,290 of woods worldwide, teak rips and crosscuts more easily oak. Mechanical PROPERTIES TESTS, don ’ t think of what else is new in our lives on aged wood 1,290! Cabin of a wood species is not strong enough – i can wrap it in carbon fiber won ’ think! A sample of wood SPECIMEN for which U CONDUCTED the MECHANICAL PROPERTIES?.

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