What is stronger than balsa wood?

Paulownia Wood... the Less Expensive, Stronger Alternative to Balsa Wood! Balsa has been incorrectly considered to have the highest strength to weight ratios of any wood in the world. Paulownia has been thoroughly tested and found to have a higher strength to weight ratio than Balsa!

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Paulownia Wood... the Less Expensive, Stronger Alternative to Balsa Wood!

Have you worked with Paulownia wood? Our South Carolina Paulownia is #sustainable, light & strong! Learn More Balsa has been incorrectly considered to have the highest strength to weight ratios of any wood in the world. Paulownia has been thoroughly tested and found to have a higher strength to weight ratio than Balsa! Auburn University tested the strength of 18 lb p/cubic ft. Paulownia against Balsa, with an average weight of 10 lbs p/cubic foot. Some Balsa core material is sliced at 3/8 inch with end-grained material. Paulownia can be cut at 3/16 and offer approximately the same strength and weight. Paulownia offers a space saving benefit, being cut half as thick. There is also a significant cost savings because half as much material is needed. Lighter grades of Paulownia weigh only 14lbs per cubic foot . This is lighter than many Balsa grades. For OEM manufacturers of wind turbine blades, when it comes to resin infusion, balsa’s end-grain structures can boost resin uptake, adding additional weight to the blade. When considering the large amount of epoxy that Balsa absorbs during industry resin infusion processing practices, Paulownia has a larger "light-weight" advantage. Balsa is often pretreated to prevent excess resin uptake, unlike Paulownia which is naturally resistant to liquids. Paulownia is easily carved and can hold nails and screws without splitting. It also provides greater stability and flexibility for making molds and core composite material kitting.

Fire Resistant

Paulownia tree wood is used in applications where a lightweight (yet proportionately strong) wood is needed. Used in Japan the wood is referred to as Kiri and used for construction, musical instrument, as well as other items. Paulownia is one of the fastest growing trees in the world. The following report reveals model experiments & FEM Analysis to answer why paulownia wood is fire resistant and/or flame retardant. Learn More Our team has been growing paulownia trees in China and also in California, South Carolina - USA for the past 25 years and ready to supply multiple industries with an market ready alternative to balsa wood.

Paulownia Benefits Include:

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Resistant to Rotting, Decaying, Insects, & Fire

Does Not Split or Bow

Offers Low Shrinkage & Expansion

Waterproof and buoyant

Strong and stable

Resistant to rot and termites

Does not splinter

Easily stained or painted

Common Name(s): Paulownia, Royal Paulownia, Princess Tree, Kiri

Information Source: https://www.wood-database.com/paulownia/

Scientific Name: Paulownia tomentosa

Distribution: Native to eastern Asia; also planted in eastern North America

Tree Size: 30-65 ft (10-20 m) tall, 2-4 ft (.6-1.2 m) trunk diameter

Average Dried Weight: 10lbs/ft3 -18 lbs/ft3 (280 kg/m3) Varies with species

Specific Gravity (Basic, 12% MC): .25, .28

Janka Hardness: 300 lbf (1,330 N)

Modulus of Rupture: 5,480 lbf/in2 (37.8 MPa)

Elastic Modulus: 635,000 lbf/in2 (4.38 GPa)

Crushing Strength: 3,010 lbf/in2 (20.7 MPa)

Shrinkage: Radial: 2.4%, Tangential: 3.9%, Volumetric: 6.4%, T/R Ratio: 1.6

Shearing Strength: Learn more on the shearing strength of paulownia v.s. balsa

Benefits:

Paulownia is used in multiple industries. Paulownia is fast growing like balsa wood. Paulownia is readily available to meet market demand. Where to buy paulownia? We're harvesting our mature U.S. South Carolina Paulownia Timber and have millions of board foot available. We can mill lumber for your business needs. Contact Us for details. Office: 843.305.4777 | Email: [email protected] Here's a link to our online calendar, schedule a conference call with us:

https://info586.youcanbook.me

Enjoy this article? You may also enjoy "Remarkably Strong Lightweight Paulownia Wood Composite Wind Turbine Blades".

Dr. R.C. Tang, Auburn University AND balsa v.s. paulownia

#paulowniatree #paulowniawood #paulowniatimber #kiriwood #kirilumber #kiritree #paulowniaveneer #woodveneer #southcarolina #kiritimber #balsawood #balsapaulownia #balsatimber #balsacomparison #balsavspaulownia #windturbineblades #composite #Dr. R.C.Tang #AuburnUniversity #wheretobuypaulownia

WIND/ENERGY

Core for composites: Winds of change

https://www.compositesworld.com/articles/core-for-composites-winds-of-change

However, when it comes to infusion, balsa’s end-grain structure can boost resin uptake, adding weight to the blade.

RESIN INFUSION OF SANDWICH STRUCTURES -

CORE/SKIN INTERACTIONS AND VOID FORMATION

http://iccm-central.org/Proceedings/ICCM17proceedings/papers/C2.14%20Grove.pdf

Durability of end-grain balsa core material in the marine environment (2005)

https://www.researchgate.net/publication/288277547_Durability_of_end-grain_balsa_core_material_in_the_marine_environment

linkedin.com - Paulownia Wood v.s. Balsa Wood - LinkedIn

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