xov xwm

Basalt Fiber ntau
Basalt fiber yog ib qho fiber ntau txuas los ntawm ntuj basalt. Nws yog pob zeb basalt nyob rau hauv 1450 ℃ ~ 1500 ℃ tom qab melting, los ntawm platinum-rhodium alloy hlau daim duab xau phaj siab ceev rub ua los ntawm cov fiber ntau txuas ntxiv. Cov xim ntawm cov ntshiab ntuj basalt fiber ntau yog xim av. Basalt fiber yog ib yam tshiab ntawm inorganic environmentally friendly ntsuab cov khoom siv fiber ntau, uas yog tsim los ntawm silica, alumina, calcium oxide, magnesium oxide, hlau oxide thiab titanium dioxide thiab lwm yam oxides.Basalt txuas ntxiv fiber ntauTsis tsuas yog muaj lub zog siab, tab sis kuj muaj ntau yam khoom zoo xws li hluav taws xob rwb thaiv tsev, corrosion kuj, kub tsis kam thiab lwm yam. Tsis tas li ntawd, cov txheej txheem tsim khoom ntawm basalt fiber txiav txim siab los tsim cov khoom pov tseg tsawg dua, muaj kuab paug me me rau ib puag ncig, thiab cov khoom tuaj yeem ncaj qha degraded nyob rau hauv ib puag ncig tom qab cov khoom pov tseg, tsis muaj kev puas tsuaj, yog li nws yog cov khoom siv ntsuab tiag tiag, ib puag ncig zoo. Basalt nruam fibers tau dav siv nyob rau hauv fiber-reinforced composites, kev sib txhuam cov ntaub ntawv, shipbuilding cov ntaub ntawv, tshav kub insulating cov ntaub ntawv, kev lag luam automotive, high-temperature filtration fabrics, thiab tiv thaiv teb.
Yam ntxwv
① Cov khoom siv txaus
Basalt fiber ntauyog ua los ntawm basalt ore melted thiab kos, thiab basalt ore nyob rau hauv lub ntiaj teb thiab lub hli yog heev lub hom phiaj reserves, los ntawm raw cov ntaub ntawv tus nqi kuj tsawg.
② Environmentally friendly khoom
Basalt ore yog cov khoom siv ntuj tsim, tsis muaj boron lossis lwm yam alkali hlau oxides tawm thaum lub sij hawm tsim khoom, yog li tsis muaj teeb meem tshuaj precipitated nyob rau hauv cov pa luam yeeb, huab cua yuav tsis ua pa phem. Ntxiv mus, cov khoom muaj lub neej ntev, yog li nws yog ib hom tshiab ntawm ntsuab nquag tiv thaiv ib puag ncig cov khoom siv nrog tus nqi qis, kev ua haujlwm siab thiab kev huv zoo tagnrho.
③ Kub thiab dej tsis kam
Nruam basalt fiber ntau ua haujlwm kub yog feem ntau 269 ~ 700 ℃ (softening point ntawm 960 ℃), thaum lub iav fiber ntau rau 60 ~ 450 ℃, qhov kub siab tshaj ntawm carbon fiber tsuas tuaj yeem ncav cuag 500 ℃. Tshwj xeeb, basalt fiber ntau hauv 600 ℃ ua haujlwm, nws lub zog tom qab so tseem tuaj yeem tswj tau 80% ntawm qhov qub zog; ua hauj lwm ntawm 860 ℃ tsis shrinkage, txawm tias qhov kub thiab txias tsis kam ntawm cov ntxhia hauv cov ntaub plaub zoo heev nyob rau lub sijhawm no tom qab so tuaj yeem khaws cia ntawm 50% -60%, iav ntaub plaub raug puas tsuaj tag. Cov pa roj carbon fiber ntau ntawm txog 300 ℃ ntawm CO thiab CO2 ntau lawm. Basalt fiber ntau ntawm 70 ℃ nyob rau hauv qhov kev txiav txim ntawm cov dej kub tuaj yeem tuav lub zog siab, basalt fiber ntau hauv 1200 h yuav poob ib feem ntawm lub zog.
④ Zoo tshuaj stability thiab corrosion kuj
Nruam basalt fiber ntau muaj K2O, MgO) thiab TiO2 thiab lwm yam khoom, thiab cov khoom no los txhim kho cov tshuaj tiv thaiv corrosion ntawm cov fiber ntau thiab cov dej tsis zoo yog qhov muaj txiaj ntsig zoo, ua lub luag haujlwm tseem ceeb. Nws yog qhov zoo dua piv nrog cov tshuaj ruaj khov ntawm cov iav fibers, tshwj xeeb tshaj yog nyob rau hauv alkaline thiab acidic media ntau pom tseeb basalt fibers nyob rau hauv saturated Ca (OH) 2 tov thiab cement thiab lwm yam alkaline xov xwm kuj muaj peev xwm ua kom muaj kev tiv thaiv ntau dua rau alkali corrosion.

⑤ High modulus ntawm elasticity thiab tensile lub zog
Lub modulus ntawm elasticity ntawm basalt fiber yog 9100 kg / mm-11000 kg / mm, uas yog siab tshaj li ntawm alkali-dawb iav fiber, asbestos, aramid fiber, polypropylene fiber thiab silica fiber. Lub zog tensile ntawm basalt fiber ntau yog 3800-4800 MPa, uas yog siab dua li cov cab loj carbon fiber, aramid fiber, PBI fiber, steel fiber, boron fiber, alumina fiber, thiab yog piv nrog S iav fiber. Basalt fiber muaj qhov ceev ntawm 2.65-3.00 g / cm3 thiab siab hardness ntawm 5-9 degrees ntawm Mohs hardness nplai, yog li nws muaj kev puas tsuaj zoo heev thiab tensile zog. Nws lub zog txhua yam nyob deb tshaj li ntawm cov fibers ntuj thiab hluavtaws fibers, yog li nws yog ib qho zoo tagnrho cov khoom siv ntxiv, thiab nws cov khoom siv zoo heev yog nyob rau hauv pem hauv ntej ntawm plaub qhov kev ua tau zoo fiber ntau.
⑥ Kev ua haujlwm zoo ntawm lub suab rwb thaiv tsev
Nruam basalt fiber ntau muaj suab rwb thaiv tsev zoo, lub suab nqus kev ua tau zoo, los ntawm cov fiber ntau hauv cov suab sib txawv ntawm lub suab nqus coefficient tuaj yeem kawm, nrog rau qhov nce zaus, nws lub suab nqus coefficient nce ntau. Xws li kev xaiv ntawm txoj kab uas hla 1-3μm basalt fiber ntau ua los ntawm (qhov ntom ntawm 15 kg / m3, thickness ntawm 30mm) suab-absorbing cov ntaub ntawv, nyob rau hauv lub suab rau lub 100-300 Hz, 400-900 Hz thiab 1200-7,000 HZ tej yam kev mob, cov fiber ntau 5 ntawm 0.01. 0.22 ~ 0.75 thiab 0.85 ~ 0.93, feem.
⑦ Cov khoom zoo dielectric
Lub ntim resistivity ntawm nruam basalt fiber ntau yog ib qho kev txiav txim siab ntau dua li ntawmE iav fiber, uas muaj zoo heev dielectric zog. Txawm hais tias cov basalt ore muaj ib feem ntawm ze li ntawm 0.2 ntawm cov conductive oxides, tab sis kev siv tshwj xeeb infiltrating tus neeg saib xyuas tshwj xeeb nto kho, basalt fiber dielectric noj lub kaum sab xis dua cov iav fiber ntau yog 50% qis, qhov ntim ntawm cov fiber ntau kuj siab dua cov iav fiber ntau.

⑧ Ntuj silicate compatibility
Zoo dispersion nrog xis mas thiab pob zeb, muaj zog sib txuas, zoo ib yam coefficient ntawm thermal expansion thiab contraction, zoo huab cua kuj.
⑨ Kev nqus dej tsawg
Kev nqus dej ntawm basalt fiber yog tsawg dua 0.1%, qis dua aramid fiber, pob zeb ntaub plaub thiab asbestos.
⑩ Tsawg thermal conductivity
Lub thermal conductivity ntawm basalt fiber yog 0.031 W / mK - 0.038 W / mK, uas yog qis dua li ntawm aramid fiber, alumino-silicate fiber, alkali-dawb iav fiber, rockwool, silicon fiber, carbon fiber thiab stainless hlau.

Fiberglass
Fiberglass, cov khoom siv tsis muaj hlau tsis muaj hlau nrog kev ua haujlwm zoo, muaj ntau yam zoo xws li rwb thaiv tsev zoo, kub tsis kam, zoo corrosion kuj, siab mechanical zog, tab sis qhov tsis zoo yog nkig thiab tsis zoo puas. Nws yog raws li chlorite, quartz xuab zeb, limestone, dolomite, boron calcium pob zeb, boron magnesium pob zeb rau hom ores li raw cov ntaub ntawv los ntawm high-temperature melting, kos duab, winding, weaving thiab lwm yam txheej txheem mus rau hauv lub tsim ntawm txoj kab uas hla ntawm nws monofilament rau ob peb microns mus rau ntau tshaj 20 microns, sib npaug ntawm 01 / 5 fiber ntau rau txhua tus plaub hau. filaments yog ntau pua lossis ntau txhiab tus monofilament muaj pes tsawg leeg.Fiberglassfeem ntau yog siv los ua cov ntaub ntawv txhawb zog hauv cov ntaub ntawv sib xyaw, cov khoom siv hluav taws xob thiab cov khoom siv hluav taws xob rwb thaiv tsev, Circuit Court boards thiab lwm qhov chaw ntawm lub teb chaws kev lag luam.

Khoom Khoom
Melting point: iav yog ib yam uas tsis yog-crystalline, tsis tas melting point, nws yog feem ntau ntseeg hais tias lub softening point ntawm 500 ~ 750 ℃.
Boiling point: txog 1000 ℃
Qhov ceev: 2.4 ~ 2.76 g / cm3
Thaum cov iav fiber ntau siv los ua cov khoom siv ntxiv rau cov yas yas, qhov loj tshaj plaws yog nws lub zog tensile siab. Tensile zog nyob rau hauv lub xeev tus qauv yog 6.3 ~ 6.9 g / d, ntub lub xeev 5.4 ~ 5.8 g / d. Thaum tshav kub kub tsis kam yog qhov zoo, qhov kub thiab txias txog 300 ℃ ntawm lub zog tsis muaj zog. Nws muaj cov khoom siv hluav taws xob zoo heev, yog cov khoom siv hluav taws xob hluav taws xob siab, kuj siv rau cov ntaub ntawv rwb thaiv tsev thiab cov ntaub thaiv hluav taws. Feem ntau tsuas yog corroded los ntawm concentrated alkali, hydrofluoric acid thiab concentrated phosphoric acid.

Lub ntsiab nta
(1) Lub zog tensile siab, me elongation (3%).
(2) High coefficient ntawm elasticity, zoo rigidity.
(3) Elongation nyob rau hauv qhov txwv ntawm elasticity thiab siab tensile zog, yog li nws absorbs loj cuam tshuam lub zog.
(4) Inorganic fiber, uas tsis yog-combustible, zoo tshuaj tiv thaiv.
(5) Kev nqus dej me me.
(6) Zoo scale stability thiab kub tsis kam.
(7) Kev ua tau zoo, tuaj yeem ua raustrands, bundles, felts, fabricsthiab lwm yam khoom sib txawv.
(8) Pob tshab thiab lub teeb transmittable.
(9) Zoo adhesion nrog resin.
(10) pheej yig.
(11) Tsis yooj yim rau hlawv, tuaj yeem fused rau hauv iav hlaws ntawm qhov kub thiab txias.