chemical bamboo preservation — guadua bamboo

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  • StphaneSchrder(/preservation/?author=53407b1be4b01b8f6b772224) November

    13,2012(/preservation/chemical-bamboo-preservation)

    ChemicalBambooPreservationChemicalpreservation(withorwithoutthehelpofspecialequipment)ensureslong

    termprotection.Dependinguponthemethodofbambootreatment,chemical

    preservativescanimpartshorttermorlongtermprotection.

    Withafewexceptions,chemicalpreservativestoprotectbambooagainstbiological

    attacksanddegradationaretoxic.Selectionandapplicationhastobedonewithgreat

    caretomeetperformance,environmentrequirementsandsafety.

    Dependinguponthecarriersolvents,bamboopreservativesaredividedinto2different

    categories:Non-fixingandfixingtypepreservatives.Non-fixingpreservativeswillleach

    outthebamboowhenexposedtorain.Inotherwordsnon-fixingtypepreservatives

    areNOTsuitedforoutdooruse.

    Non-FixingTypePreservatives

    Non-fixingbamboopreservativesmainlyconsistofboronsalts,whichareeffective

    againstborers,termites(/preservation/bamboo-insect-infestation)andfungi

    (/preservation/how-to-remove-bamboo-mold)(exceptsoftrotfungi).Theseboronsalts

    aredissolvedinwater.Aftertreatment,thewaterevaporatesleavingthesaltsinsidethe

    bamboo.Theyarenottoxicandcanbeusedfortreatingbambooproductslikebaskets,

    drycontainers,etc.whichcomeincontactwithfoodproducts.

    BoricAcidBorax

    Curingbamboowithboraxandboricacidisthemostpopularbamboopreservation

    method(forindooruse)aroundtheworldbecauseitiseffectiveandmore

    environmentallyfriendlythanotherwoodpreservatives.

    Thecombinationofboricacidandboraxinaratioof1:1.5isanalkaline

    saltcalled:Disodiumoctaboratetetrahydrate(Na2B8O13x4H2O)andis

    availableinpre-mixedpowderform,usuallyunderthecommercial

    Preservation

    ChemicalTreatment

    (/preservation/?

    tag=Chemical+Treatment)

    DryingBamboo

    (/preservation/?

    tag=Drying+Bamboo)

    DurabilityofBamboo

    (/preservation/?

    tag=Durability+of+Bamboo)

    InsectInfestation

    (/preservation/?

    tag=Insect+Infestation)

    LeachingBamboo

    (/preservation/?

    tag=Leaching+Bamboo)

    MoldandFungus

    (/preservation/?

    tag=Mold+and+Fungus)

    TimborNisusBorateWoodTreatment(http://www.amazon.com/Timbor-Nisus-Borate-Wood-Treatment/dp/B003W0MFU8%3FSubscriptionId%3D0ENGV10E9K9QDNSJ5C82%26tag%3Dguadbamb-

    20%26linkCode%3Dxm2%26camp%3D2025%26creative%3D165953%26creativeASIN%3DB003W0MFU8)

    (http://www.amazon.com/Timbor-Nisus-Borate-Wood-Treatment/dp/B003W0MFU8%3FSubscriptionId%3D0ENGV10E9K9QDNSJ5C82%26tag%3Dguadbamb-20%26linkCode%3Dxm2%26camp%3D2025%26creative%3D165953%26creativeASIN%3DB003W0MFU8)

    BambooPreservation(/preservation/?category=Bamboo+Preservation)

    ChemicalBambooPreservation

    (Http://Www.Guaduabamboo.Com/Search)Home(/)

    Guadua(/Guadua/)

    Forum(/Forum/)

    Contact(/Contact-Us/)

    ProductsPoles(/Bamboo-Poles/)Mats(/Crushed-Bamboo/)Panels(/Crushed-Bamboo-Panels/)ServicesConstruction(/Bamboo-Construction-Services/)PlantationManagement(/Bamboo-Plantation-Management/)BecomeADistributor(/Become-Guadua-Bamboo-Distributor/)

    BambooGenera(/Genera/)Species(/Species/)Types(/Types/)Facts(/Facts/)Identification(/Identification/)Distribution(/Distribution/)Cultivation(/Cultivation/)Preservation(/Preservation/)Construction(/Construction/)WorkingWithBamboo(/Working-With-Bamboo/)UsesOfBamboo(/Uses/)FreePdf's(/Bamboo-Pdfs/)Books(/Bamboo-Books/)Videos(/Bamboo-Videos/)

    AboutAbout(/About-Guadua-Bamboo/)Partners(/Partners/)

    http://www.guaduabamboo.com/preservation/?author=53407b1be4b01b8f6b772224http://www.guaduabamboo.com/preservation/chemical-bamboo-preservationhttp://www.guaduabamboo.com/preservation/bamboo-insect-infestationhttp://www.guaduabamboo.com/preservation/how-to-remove-bamboo-moldhttp://www.guaduabamboo.com/preservation/?tag=Chemical+Treatmenthttp://www.guaduabamboo.com/preservation/?tag=Drying+Bamboohttp://www.guaduabamboo.com/preservation/?tag=Durability+of+Bamboohttp://www.guaduabamboo.com/preservation/?tag=Insect+Infestationhttp://www.guaduabamboo.com/preservation/?tag=Leaching+Bamboohttp://www.guaduabamboo.com/preservation/?tag=Mold+and+Fungushttp://www.amazon.com/Timbor-Nisus-Borate-Wood-Treatment/dp/B003W0MFU8%3FSubscriptionId%3D0ENGV10E9K9QDNSJ5C82%26tag%3Dguadbamb-20%26linkCode%3Dxm2%26camp%3D2025%26creative%3D165953%26creativeASIN%3DB003W0MFU8http://www.amazon.com/Timbor-Nisus-Borate-Wood-Treatment/dp/B003W0MFU8%3FSubscriptionId%3D0ENGV10E9K9QDNSJ5C82%26tag%3Dguadbamb-20%26linkCode%3Dxm2%26camp%3D2025%26creative%3D165953%26creativeASIN%3DB003W0MFU8http://www.guaduabamboo.com/wholesale-bamboo-poles/http://www.amazon.com/Tim-Bor-Insecticide-Fungicide-Pound-657859/dp/B004G6UHES%3FSubscriptionId%3D0ENGV10E9K9QDNSJ5C82%26tag%3Dguadbamb-20%26linkCode%3Dxm2%26camp%3D2025%26creative%3D165953%26creativeASIN%3DB004G6UHEShttp://www.guaduabamboo.com/preservation/?category=Bamboo+Preservationhttp://www.guaduabamboo.com/http://www.guaduabamboo.com/searchhttp://www.guaduabamboo.com/http://www.guaduabamboo.com/guadua/http://www.guaduabamboo.com/forum/http://www.guaduabamboo.com/contact-us/http://www.guaduabamboo.com/bamboo-poles/http://www.guaduabamboo.com/crushed-bamboo/http://www.guaduabamboo.com/crushed-bamboo-panels/http://www.guaduabamboo.com/bamboo-construction-services/http://www.guaduabamboo.com/bamboo-plantation-management/http://www.guaduabamboo.com/become-guadua-bamboo-distributor/http://www.guaduabamboo.com/genera/http://www.guaduabamboo.com/species/http://www.guaduabamboo.com/types/http://www.guaduabamboo.com/facts/http://www.guaduabamboo.com/identification/http://www.guaduabamboo.com/distribution/http://www.guaduabamboo.com/cultivation/http://www.guaduabamboo.com/preservation/http://www.guaduabamboo.com/construction/http://www.guaduabamboo.com/working-with-bamboo/http://www.guaduabamboo.com/uses/http://www.guaduabamboo.com/bamboo-pdfs/http://www.guaduabamboo.com/bamboo-books/http://www.guaduabamboo.com/bamboo-videos/http://www.guaduabamboo.com/about-guadua-bamboo/http://www.guaduabamboo.com/partners/

  • availableinpre-mixedpowderform,usuallyunderthecommercial

    names:Tim-Bor

    (http://www.amazon.com/gp/product/B004G6UHES/ref=as_li_ss_tl?

    ie=UTF8&camp=1789&creative=390957&creativeASIN=B004G6UHES&linkCode=as2&tag=guadbamb-

    20)orSoluBor,amongothers.

    Disodiumoctaboratetetrahydrateisawhite,odorless,powderedsubstancethatisnot

    flammable,cumbustible,orexplosiveandhasacuteloworalanddermaltoxicity.The

    productitselfisfireretardentandshowsnohazardousdecomposition.

    Thissalt,isusedasaninsecticideandfungicide,andisalsoeffectiveagainstfungiand

    algae.Ithasaninfiniteshelflifeandisnotaffectedbytemperature.Dilutedwithwater,

    bamboocanbeimpregnated,submergedorsprayedwiththischemical.

    Formula(1):

    boricacid/borax

    ratio1:1.5

    Formula(2):

    boricacid/borax/sodium

    dichromate

    ratio2:2:0.5

    Recommendedconcentration:

    4-5%indooruse(notexposedtoweatherorgroundcontact)

    *HowtoInterprettheTerms:'Ratio'and'Concentration'?

    Theratioofthechemicalsolutionisbasedonkilogramsper100litersofwater.

    Forexample,ifyouseethis:

    boricacid/borax/sodiumdichromate

    ratio2:2:0.5

    Itactuallymeansthis:

    amixtureof2kgofboricacid/2kgofborax/500grofsodiumdichromatein100

    litersofwater.

    Theaboveexampleistheequivalentof4,5%concentration.Ifyouwanttorampthisup

    toaconcentrationof9%youjusthavetodoublethemixturelikethis:

    amixtureof4kgofboricacid/4kgofborax/1kgofsodiumdichromatein100

    litersofwater.

    FixingTypePreservatives

    Thesechemicalbamboopreservationformulationsareproportionatemixturesof

    differentsaltswhichinteractwitheachotherinthepresenceofbambooandbecome

    chemicallyfixed.Inprinciple,thedegreeoffixationandefficacydependsuponthe

    natureofthecomponentsandtheircombinationandconcentration.

    Forexample,Chromiumisresponsibleforfixation,copperiseffectiveagainstdecay

    fungiandsoftrotandthethirdcompoundactsagainstinsectandfungus.Theprocessof

    fixationrequiressomeweeksduringwhichthematerialshouldbestoredundercover.

    Slowfixationispreferredincaseofbambooasitallowsdiffusionandbetterdistribution

    ofpreservingsalts.

    CopperChromeArsenic(CCA)

    CCAisaheavydutybroadspectrumchemicalbamboopreservativepatentedasAsCu.It

    hasbeenfoundtoprovideprotectionfor50yearsormore.Outdooruseis

    recommendedonlyduetothearseniccomponent,whichcanalsocausesagreen

    colorationonthebamboo.

    Formula:

    arsenicpentoxide/coppersulphate/sodiumdichromate

    ratio1:3:4

    Recommendedconcentration:

    6%outdooruse(structuresexposedtoweatherbutnotincontactwithground)

    10%outdooruse(structuresexposedtoweatherandingroundcontact)

    BambooPoles

    Wholesale(/wholesale-

    bamboo-poles/)

    WholesaleBambooPolesAsa

    producerandsupplierof

    bambooinbulkworldwide,we

    alwaysstrivetoofferthebest

    qualityatthemostcompetitive

    prices.Wecurrentlyexport

    bamboopolesfromChina,

    IndonesiaandColombia.

    $86.15(http://www.amazon.com/Tim-Bor-Insecticide-Fungicide-Pound-657859/dp/B004G6UHES%3FSubscriptionId%3D0ENGV10E9K9QDNSJ5C82%26tag%3Dguadbamb-20%26linkCode%3Dxm2%26camp%3D2025%26creative%3D165953%26creativeASIN%3DB004G6UHES)

    http://www.amazon.com/gp/product/B004G6UHES/ref=as_li_ss_tl?ie=UTF8&camp=1789&creative=390957&creativeASIN=B004G6UHES&linkCode=as2&tag=guadbamb-20http://www.guaduabamboo.com/wholesale-bamboo-poles/http://www.guaduabamboo.com/wholesale-bamboo-poles/http://www.amazon.com/Tim-Bor-Insecticide-Fungicide-Pound-657859/dp/B004G6UHES%3FSubscriptionId%3D0ENGV10E9K9QDNSJ5C82%26tag%3Dguadbamb-20%26linkCode%3Dxm2%26camp%3D2025%26creative%3D165953%26creativeASIN%3DB004G6UHES

  • CopperChromeBoron(CCB)