xov xwm

Fiberglass yog ib yam khoom siv inorganic uas tsis yog hlau, muaj ntau yam zoo xws li rwb thaiv tsev zoo, tiv taus kub, tiv taus corrosion, muaj zog kho tshuab siab, tab sis qhov tsis zoo yog brittle, hnav tsis kam. Nws yog ib lub pob iav lossis pov tseg iav ua cov khoom siv raw los ntawm kev yaj, kos duab, winding, weaving thiab lwm yam txheej txheem kub siab rau hauv nws lub monofilament txoj kab uas hla ntawm ob peb microns mus rau ntau dua 20 microns, sib npaug rau ib plaub hau 1/20-1/5, txhua pob ntawm cov fibers yog los ntawm ntau pua lossis txawm tias txhiab tus monofilaments ua los ntawm cov ntaub txhob lo lo ntxhuav nyoos.Fiberglassfeem ntau yog siv los ua cov ntaub ntawv txhawb nqa hauv cov ntaub ntawv sib xyaw, cov ntaub ntawv rwb thaiv tsev hluav taws xob thiab cov ntaub ntawv rwb thaiv tsev thermal, cov laug cam thiab lwm qhov chaw ntawm lub teb chaws kev lag luam.
1, Cov khoom siv lub cev ntawm fiberglass
Melting point 680 ℃
Kub taw tes 1000 ℃
Qhov Ceev 2.4-2.7g/cm³

2, Cov tshuaj lom neeg muaj pes tsawg leeg
Cov khoom tseem ceeb yog silica, alumina, calcium oxide, boron oxide, magnesium oxide, sodium oxide, thiab lwm yam., Raws li qhov ntau ntawm alkali cov ntsiab lus hauv iav tuaj yeem faib ua cov iav tsis-alkali (sodium oxide 0% txog 2%, yog iav txhuas borosilicate), nruab nrab alkali fiberglass (sodium oxide 8% txog 12%, yog iav boron-muaj lossis tsis muaj boron soda-lime silicate) thiab alkali fiberglass siab (sodium oxide 13% lossis ntau dua, yog iav soda-lime silicate). ).

3, cov ntaub ntawv raw thiab lawv cov ntawv thov
Fiberglass dua li cov organic fibers, kub siab, tsis kub hnyiab, tiv thaiv xeb, thermal thiab acoustic rwb thaiv tsev, muaj zog tensile siab, rwb thaiv tsev hluav taws xob zoo. Tab sis brittle, tsis kam hnav. Siv rau hauv kev tsim cov yas reinforced lossis roj hmab reinforced, ua cov khoom siv reinforcing fiberglass muaj cov yam ntxwv hauv qab no, cov yam ntxwv no ua rau kev siv fiberglass ntau dua li lwm hom fibers rau ntau yam kev loj hlob ceev kuj tseem nyob deb ua ntej nws cov yam ntxwv teev hauv qab no:
(1) Lub zog tensile siab, me me elongation (3%).
(2) Cov coefficient siab ntawm elasticity, zoo rigidity.
(3) Elongation nyob rau hauv cov kev txwv ntawm elasticity thiab siab tensile zog, yog li nqus tau lub zog cuam tshuam.
(4) Cov fiber inorganic, tsis kub hnyiab, tshuaj lom neeg zoo.
(5) Kev nqus dej me me.
(6) Kev ruaj khov zoo thiab tiv taus cua sov.
(7) Kev ua tau zoo, tuaj yeem ua rau hauv cov xov, cov pob khoom, cov ntaub, cov ntaub thiab lwm yam khoom sib txawv.
(8) Cov khoom pob tshab tuaj yeem xa lub teeb.
(9) Kev tsim cov neeg sawv cev kho qhov chaw nrog kev nplaum zoo rau cov resin tiav lawm.
(10) Pheej yig.
(11) Nws tsis yooj yim rau hlawv thiab tuaj yeem sib xyaw ua cov hlaws iav ntawm qhov kub siab.
Fiberglass raws li cov duab thiab qhov ntev, tuaj yeem muab faib ua cov fiber txuas ntxiv, cov fiber ntev ruaj khov thiab cov iav ntaub plaub; raws li cov iav muaj pes tsawg leeg, tuaj yeem muab faib ua cov tsis-alkali, tshuaj-resistant, alkali siab, alkali, siab-strength, siab modulus ntawm elasticity thiab alkali-resistant (anti-alkali) fiberglass thiab lwm yam.

4, cov ntaub ntawv tseem ceeb rau kev tsim khoomfiberglass
Tam sim no, cov ntaub ntawv tseem ceeb rau kev tsim cov fiberglass hauv tsev yog quartz xuab zeb, alumina thiab chlorite, limestone, dolomite, boric acid, soda tshauv, manganese, fluorite thiab lwm yam.

5, txoj kev tsim khoom
Muab faib ua ob pawg: ib qho yog ua los ntawm cov iav molten ncaj qha mus rau hauv cov fibers;
Ib chav kawm ntawm cov iav molten yog ua los ntawm cov pob iav lossis cov pas nrig nrog lub cheeb ntawm 20 hli, thiab tom qab ntawd rov yaj dua ntau txoj hauv kev kom cua sov ua los ntawm cov fibers zoo heev nrog lub cheeb ntawm 3 ~ 80μm.
Los ntawm platinum alloy phaj mus rau txoj kev kos duab kom rub qhov ntev ntawm cov fiber, hu ua cov iav fiber txuas ntxiv, feem ntau hu ua cov fiber ntev.
Los ntawm lub roller lossis airflow ua los ntawm discontinuous fibers, hu ua fixed-length fiberglass, feem ntau hu ua luv luv fibers.

6, kev faib tawm fiberglass
Fiberglass raws li cov khoom sib xyaw, xwm thiab kev siv, muab faib ua ntau theem sib txawv.
Raws li qib txheem ntawm cov kev cai, E-class iav fiber yog qhov siv ntau tshaj plaws, siv dav hauv cov ntaub ntawv rwb thaiv tsev hluav taws xob;
S-chav kawm rau cov fibers tshwj xeeb.
Kev tsim cov fiberglass nrog iav txawv ntawm lwm cov khoom iav.
Cov khoom sib xyaw ua ke ntawm fiberglass thoob ntiaj teb yog raws li nram no:

(1) E-iav
Kuj hu ua alkali-free glass, yog ib hom iav borosilicate. Tam sim no nws yog ib qho ntawm cov iav fiber ntau tshaj plaws uas siv, nrog rau kev rwb thaiv hluav taws xob zoo thiab cov khoom siv kho tshuab, siv dav hauv kev tsim cov hluav taws xob rwb thaiv tsev nrog iav fiber, kuj siv ntau rau kev tsim cov fiberglass rau cov yas fiberglass reinforced, nws qhov tsis zoo yog yooj yim raug eroded los ntawm inorganic acids, yog li nws tsis haum rau siv hauv cov chaw acidic.

(2) C-iav
Kuj hu ua iav alkali nruab nrab, uas yog tus cwj pwm los ntawm kev tiv thaiv tshuaj lom neeg, tshwj xeeb tshaj yog acid tsis kam zoo dua li iav alkali, tab sis cov khoom hluav taws xob tsis zoo lub zog kho tshuab qis dua li iav alkali fibers 10% txog 20%, feem ntau txawv teb chaws nruab nrab alkali iav fibers muaj qee qhov nyiaj ntawm boron dioxide, thiab Tuam Tshoj nruab nrab alkali iav fibers yog kiag li boron dawb. Hauv txawv teb chaws, nruab nrab alkali fiberglass tsuas yog siv rau kev tsim cov khoom fiberglass tiv thaiv corrosion, xws li rau kev tsim cov iav fiber nto lev, thiab lwm yam, kuj siv los txhim kho cov ntaub ntawv asphalt ru tsev, tab sis hauv peb lub teb chaws, nruab nrab alkali fiberglass nyob ib feem loj ntawm cov iav fiber ntau tsim (60%), dav siv hauv fiberglass reinforced yas txhim kho nrog rau cov ntaub lim dej, cov ntaub qhwv, thiab lwm yam, vim nws tus nqi qis dua tus nqi ntawm cov iav tsis-alkaline thiab muaj kev sib tw zoo dua.

(3) Lub zog fiberglass siab
Nws muaj lub zog siab thiab modulus siab, nws muaj lub zog tensile ntawm ib lub fiber ntau ntawm 2800MPa, uas yog li 25% siab dua li lub zog tensile ntawm alkali-free fiberglass, thiab lub modulus ntawm elasticity ntawm 86,000MPa, uas yog siab dua li ntawm E-iav fiber. Cov khoom FRP tsim nrog lawv feem ntau yog siv rau hauv tub rog, chaw, riam phom tiv thaiv mos txwv thiab cov khoom siv kis las. Txawm li cas los xij, vim yog tus nqi kim, tam sim no hauv cov pej xeem tsis tuaj yeem txhawb nqa, kev tsim khoom thoob ntiaj teb tsuas yog ob peb txhiab tons lossis ntau dua.

(4)AR fiberglass
Kuj hu ua alkali-resistant fiberglass, alkali-resistant fiberglass yog fiberglass reinforced (cement) concrete (hu ua GRC) rib khoom, yog 100% inorganic fibers, nyob rau hauv cov khoom cement tsis-load-bearing yog qhov zoo tagnrho hloov hlau thiab asbestos. Alkali-resistant fiberglass yog tus cwj pwm los ntawm kev tiv thaiv alkali zoo, tuaj yeem tiv taus kev yaig ntawm cov alkali siab hauv cement, muaj zog tuav, modulus ntawm elasticity, cuam tshuam tsis kam, tensile thiab flexural zog yog siab heev, tsis kub hnyiab, te tsis kam, tiv taus kub thiab av noo hloov pauv, tawg tsis kam, seepage tsis kam zoo heev, nrog rau kev tsim kho muaj zog, yooj yim rau daim ntawv, thiab lwm yam, alkali-resistant fiberglass yog ib hom khoom siv reinforcing tshiab uas siv dav hauv kev ua haujlwm siab reinforced (cement) concrete. Ntsuab reinforcing khoom.

(5) Ib lub khob iav
Kuj tseem hu ua iav alkali siab, yog ib qho iav sodium silicate ib txwm muaj, vim nws tsis muaj dej tsis kam, tsis tshua siv rau hauv kev tsim cov fiberglass.

(6) E-CR iav
E-CR iav yog ib hom iav uas tsis muaj boron thiab alkali zoo dua, uas siv rau kev tsim cov fiberglass uas tiv taus kua qaub thiab dej zoo. Nws tiv taus dej zoo dua li cov fiberglass tsis muaj alkali 7-8 npaug, thiab nws tiv taus kua qaub kuj zoo dua li cov fiberglass nruab nrab-alkali, thiab nws yog ib hom tshiab uas tsim los rau cov kav dej hauv av thiab cov thoob dej cia khoom.

(7) D Iav
Kuj tseem hu ua iav dielectric qis, nws yog siv los tsim cov fiberglass dielectric qis nrog lub zog dielectric zoo.
Ntxiv rau cov khoom fiberglass saum toj no, tam sim no muaj ib qho tshiabfiberglass uas tsis muaj alkali, nws yog boron dawb kiag li, yog li txo cov pa phem ib puag ncig, tab sis nws cov khoom siv hluav taws xob rwb thaiv tsev thiab cov khoom siv kho tshuab zoo ib yam li cov iav E ib txwm muaj.
Kuj tseem muaj cov iav fiberglass ob npaug, tau siv rau hauv kev tsim cov iav wool, hauv cov khoom siv fiberglass reinforced yas reinforcing kuj muaj peev xwm. Tsis tas li ntawd, muaj cov iav fibers tsis muaj fluorine, tsim los rau qhov xav tau ib puag ncig thiab txhim kho cov fiberglass tsis muaj alkali.

7. kev txheeb xyuas cov fiberglass alkali siab
Qhov kev sim yog ib txoj hauv kev yooj yim los muab cov fiber tso rau hauv dej npau thiab ua noj 6-7 teev, yog tias nws yog cov fiberglass alkali siab, tom qab dej npau tom qab ua noj, warp thiab weft ntawm cov fiber tag nrho dhau los ua xoob.

8. Muaj ob hom fiberglass ntau lawm txheej txheem
a) Ob zaug molding - crucible drawing method;
b) Ib zaug molding - pas dej ua ke lub qhov cub kos duab.
Cov txheej txheem kos duab Crucible, thawj zaug yaj cov khoom siv iav ua los ntawm cov pob iav hauv qhov kub siab, thiab tom qab ntawd yaj cov pob iav thib ob, kos duab ceev ceev ua los ntawm cov fiberglass filaments. Cov txheej txheem no muaj kev siv hluav taws xob ntau, cov txheej txheem molding tsis ruaj khov, kev tsim khoom tsawg thiab lwm yam tsis zoo, feem ntau tshem tawm los ntawm cov chaw tsim khoom loj iav fiber.

9. Ib txwm muajFiberglassTxheej Txheem
Txoj kev kos duab ntawm cov chlorite thiab lwm yam khoom siv raw hauv lub qhov cub tawg ua rau hauv cov kua iav, tsis suav nrog cov pa npuas los ntawm txoj kev thauj mus rau lub phaj xau, thiab kos duab ceev ceev rau hauv cov fiberglass filament. Lub qhov cub tuaj yeem txuas nrog ntau pua lub vaj huam sib luag los ntawm ntau txoj kev rau kev tsim khoom tib lub sijhawm. Cov txheej txheem no yooj yim, txuag hluav taws xob, pwm ruaj khov, ua haujlwm tau zoo thiab muaj txiaj ntsig zoo, los pab txhawb kev tsim khoom loj, thiab tau dhau los ua lub hauv paus ntawm cov txheej txheem tsim khoom thoob ntiaj teb, nrog rau cov txheej txheem tsim khoom ntawm fiberglass suav rau ntau dua 90% ntawm kev tsim khoom thoob ntiaj teb.