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Basalt Guru

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You are here: Home / Basalt Chopped Fiber / The many uses of Basalt include the following

The many uses of Basalt include the following

June 12, 2014 by Basalt Guru 21 Comments

1. Textile applications for fire protection
Basalt does not melt nor shrink in the flame and, when not mechanically stressed, keeps its geometric integrity.

When coming to heat resistance, Basalt is exceptionally suited to block fire. Basalt products resist the open flame. Basalt melts at ca. 1450 C. A fabric made of Basalt, with a Bunsen burner pointed at it (1100 – 1200 C) becomes red hot as a metal fabric would. This can last for hours. For reference, an E-glass fabric of the same surface density gets pierced by the same flame in a matter of seconds.

2. High Temperature Insulation (HTI)
Basalt fibers, at present, exhibit a resistance to temperature superior to E glass fibers in the range 300-500C. This opens the sector of high temperature insulation (HTI). Chopped Basalt fibers, non-woven Basalt needled mats (lined or not with BCF fabrics) find their place in the construction of car and bike exhaust mufflers and of ovens. They are used for the heat insulation of gas turbines, including in nuclear plant locations, as basalt is known to resist to degradation caused by radiations, unlike synthesized materials as glasses. Basalt is also functional to very low temperature (down to 260C). Useful applications are insulation of liquid nitrogen tanks and pipes.

3. As reinforcement in composite materials
The good mechanical properties of Basalt (strength & rigidity), the easy wetting of the filament surface and their recyclability make them particularly suitable for composites application.

The UV resistance, the better acid resistance, the somewhat better alkaline resistance and very low water absorption of Basalt fibers ensure excellent weather ability to outdoors Basalt fiber reinforced Composites.

The higher thermal conductivity and equally high electrical resistivity of Basalt fibers also allow making reinforced composites with good dielectric properties and better heat diffusion.

Basalt fiber reinforced injection molded parts seem, for a same fiber volume fraction, to have a better surface finish. This could allow direct metallization as for automotive interior decoration components.

Basalt continuous fibers have a melting temperature higher than that of the flame, which allows separation of the composite constitutions by fire at the recycling stage (e.g. in automotive industry,) There is no disposal issue at the recycling stage after separation, being a natural product.

Filed Under: Basalt Chopped Fiber, Basalt Fabric, Fire Protection

Comments

  1. Wessel Cronje says

    October 14, 2014 at 7:38 am

    cost comparison steel rebar vs basalt rebar

    Regards

    Wessel Cronje
    Manager – Asset Management Forum

    Tel: +2757 904 4227
    Cell: +2783 6011 824
    Fax: +2786 5806 665
    Email: [email protected]

    Reply
    • Basalt Guru says

      March 17, 2015 at 3:42 pm

      I sent you an email. If you compare ALL the costs it is less. Longevity. Repairs. A thinner rebar can be used in comparison.
      Less concrete can many times be used because of the strength and not having to protect the steel. If needed you can use both a stainless
      steel or galvanized surrounded by basalt for the best of both worlds. If you bend a piece of steel it stays bent-if you bend a piece of basalt it wants to return like bending a fishing pole or pole vaulting pole. I want my building or bridge to return to where it was not stay bent!

      Reply
  2. HOSSEIN NEKAHI says

    November 12, 2014 at 12:23 am

    Hi

    Please send me complete information about basalt bar & fiber

    thanks

    Reply
    • Basalt Guru says

      March 17, 2015 at 3:38 pm

      That’s what this website does.

      Reply
  3. hamid says

    May 6, 2015 at 2:09 am

    Dear Sir,

    As you know basalt rebar has many advantages, but if you want to use it as concrete reinforcement you need some standarda which should be acceptable by different countries. What is your standard in this case. if you know or have any standard please let me know. In addition, it is more gratefully if you send me the price comparison in respect to steal rebar.

    Best Regards,
    Hamid

    Reply
    • Basalt Guru says

      May 6, 2015 at 7:52 am

      ACI 440.3E-4 and ACI 440.IR-06 and 440.5-08 standards are what all our basalt rebars meet or exceed. These are well known as international guidelines- not laws. Basalt offers a higher service temperature, a coefficient of thermal expansion that is the same as concrete, unlike other reinforcements, it is non-corrosive, lightweight, has a high strength to weight ratio, excellent fatigue and impact resistance,is non-conductive, non magnetic, and will not harbor bacterial or microbial growth. Thinner diameter can be used compared to steel and many times less concrete. In volumes it is cost competitive with steel and is better priced than stainless or galvanized or epoxy coated steel. Long term savings of less repairs because of rusting steel. The only factor really (I disagree) is shear. I say that using some stainless or galvanized steel surrounded by basalt is the best of both worlds. Now one can mitigate the shear fear and have rebars that want too return to straight like a fishing pole not stay bent like steel does and then is useless. In volumes we again are very competitive.

      Reply
    • Basalt Guru says

      July 7, 2015 at 5:05 pm

      http://basalt-rebar.com/basalt-rebar-aci-codes/

      If you read my posts you can see that the costs are actually less because you can use a smaller diameter rebar, many times less concrete(and labor) and no repairs because of rusting and spalling concrete like we see everywhere today.

      Reply
  4. Yehia says

    July 7, 2015 at 8:34 am

    Is there any code that regulate the use of basalt rebars, could you please e-mail it if applicable

    Reply
    • Basalt Guru says

      July 7, 2015 at 5:02 pm

      ACI rebar codes
      http://basalt-rebar.com/basalt-rebar-aci-codes/
      The rules are the same for fiberglass FRP

      Reply
  5. vineet mishra says

    August 10, 2015 at 6:01 am

    sir,
    can you please tell me about the area of research in basalt fiber reinforced concrete.

    Reply
    • Basalt Guru says

      August 10, 2015 at 11:12 am

      Hi, Many studies have been done about using basalt fibers in concrete. We have building foundations and domes and concrete countertops and artistic products that all have used and are presently using basalt fibers, rebars,mesh and twine for reinforcements.
      Being stone it moves at the same rate as concrete, is strong and does not harbor bacteria while being very resistant to acids and chemicals. We also in volumes are better priced than other fibers and because of the strength less concrete can many times be specified and it last many times longer, so in total the job cost LESS!

      Reply
  6. Audie Hankins says

    June 19, 2016 at 11:42 am

    Can you please tell me which diameter rods are best for reinforcing around kitchen sinks?

    Reply
    • Basalt Guru says

      June 20, 2016 at 8:48 am

      I’d say 6 or 8mm would be fine.

      Reply
  7. LINDIWE MATHENDA says

    September 5, 2016 at 8:25 am

    Good day Sir

    I wish to enquire about the fibre reignforcement ideal for concrete countertops.

    Will the basalt- mesh/ and basalt -rebar or both combined?

    Regards

    Lindiwe Mathenda
    Mobile:0722162406

    Reply
    • Basalt Guru says

      September 5, 2016 at 8:46 am

      Depending on how strong you need the countertop to be. Does it have a plywood or strong backer underlayment ? Will people be standing or sitting on it? I always overbuild and use everything the chopped fibers, mesh and rebars -even rope twine, as it does not cost that much to make an extra strong countertop that you then do not have to ever worry about. Is it long and having to be carried in and angled around corners, or built right in the place it goes?

      Reply
  8. Linda Tanner says

    October 1, 2016 at 7:45 pm

    I’m about to build a small greenhouse with a concrete block back wall, and plan to fill the holes with rebar and concrete or perhaps even cob, depending on results of my research.
    One question is, does your basaltic rebar embedded in cob inside the concrete blocks constitute a strong material? Or, should I ditch the idea of cob and go with concrete and rebar?
    Also, since this rebar has a “memory” and wants to spring back (according to what I read)) will it have the tendency to do just that while my concrete is curing in a few areas where there will be a curve?
    Thanks,
    Linda

    Reply
    • Basalt Guru says

      October 3, 2016 at 9:08 am

      Linda, Thanks for asking. Yes use the basalt with concrete for serious reinforcements. The spring back is only if it is bent over and not tied into place. We use zip ties to connect pieces and
      make radius bends. It will be stay in the curve you make if tied into place while the concrete cures.

      Reply
  9. Tammy Homan says

    December 16, 2016 at 4:01 pm

    Hello I saw a product of yours used for a hanging chair.
    I was wanting to know if your product is very expensive. My husband and I are looking at making some outdoor furniture like a outdoor hanging bed for my son. so can you tell me what is the coast of your material. We just want to make some money since my husband is laid off from work and I’m disabled..
    Thank you
    Tammy Homan

    Reply
    • Basalt Guru says

      December 16, 2016 at 4:22 pm

      The roving itself is quite inexpensive-a bobbin with many thousands of feet on it is only 21 dollars for a 2 kilo bobbin.
      Of course you would have to apply a resin to it, but those are not that expensive either.
      If you are artistic you can come up with many interesting uses.

      Reply
  10. Clint says

    February 22, 2017 at 3:17 pm

    Can basalt be used where alternative building methods are employed – rammed earth, compressed earth, cob, adobe, earthbags? It seems your explanations have been limited to traditional concrete applications.

    For example, has anyone used the mat or the ropes to reinforce walls where only cob is the surrounding mass? Does it do the job?

    Thanks

    Reply
    • Basalt Guru says

      February 22, 2017 at 3:23 pm

      http://www.basalt.guru/tiny-homes-built-with-concrete-and-basalt-reinforcement-are-the-way-to-go/
      http://www.basalt.guru/history-in-the-remaking-with-basalt-mesh-and-fabrics/

      We have had rammed earth block homes use our basalt mesh to fortify their buildings and barrel vaults.
      Thin Walls built with hemp or stucco as well.
      It will help if you have something to bond.

      Reply

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Nick Gencarelle

Phone +1 401 481 8422
Email: [email protected]

Working with concrete and steel for over 25 years has given me an innate understanding of the properties and use of these materials. From rebuilding old homes in New England to hospitals in Alaska, union work on the pipeline, and commercial jobs from Hawaii to Arizona and Florida, I have seen a great deal!

My motivation when seeing people lose their homes to fires, tornadoes, hurricanes, floods, etc. is the knowledge that by building correctly many of these homes, and lives can be spared. New standards are in place such as installing better windows or hurricane ties. However to me these are just band-aids on the greater problem of building correctly in the first place. Homes can be built today with designs and new reinforcements that can withstand the elements.

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