Ib, PVC ua npuas ncauj board qhia
PVC ua npuas ncauj board tseem hu ua snow board los yog Andy board, raws li cov txheej txheem ntau lawm, tsos thiab kev ua tau zoo yuav muab faib ua PVC ua npuas ncauj board thiab dawb npuas board.
PVC daim tawv nqaij ua npuas ncauj board yog tsim los ntawm cov txheej txheem Celuca, nrog ib txheej ntawm cov tawv nqaij tawv ntawm qhov chaw, du thiab du, siab hardness, zoo mechanical zog, thiab high precision cov khoom, me me thickness yuam kev, nruj kev cai ntawm pwm, formula, txheej txheem thiab raw. cov ntaub ntawv.
Qhov saum npoo ntawm PVC dawb foaming board yog xoob, tsis muaj crust, thiab nto yog zoo thiab convex, uas yog conducive rau luam ntawv, txau thiab veneering.Nws tuaj yeem tsim los ntawm cov pwm foaming zoo tib yam, thiab cov txheej txheem kuj yooj yim los tswj.
Ob, cov yam ntxwv ntawm PVC ua npuas ncauj board
Kev xyaum tau ua pov thawj tias PVC ua npuas ncauj board muaj thermal rwb thaiv tsev zoo, txuag hluav taws xob, suab rwb thaiv tsev, lub teeb bearing thiab lwm yam khoom, zoo dua li lwm yam khoom yas nthuav dav perlite, ceramsite, asbestos khoom thiab lwm yam ntaub ntawv rwb thaiv tsev, muaj cov yam ntxwv ntawm kev ua haujlwm yooj yim, siab. degree ntawm kev siv tshuab, txuag lub sijhawm, txuag kev ua haujlwm.PVC ua npuas ncauj board tuaj yeem thauj tau los ntawm cov tshuab ntsug ntsug, uas ua rau lub sijhawm ua haujlwm luv thiab txhim kho qhov ua tau zoo los ntawm 6 ~ 10 npaug piv nrog rau lwm txoj hauv kev.
PVC ua npuas ncauj board ua rwb thaiv tsev txheej, siv rau ru tsev rwb thaiv tsev thiab sab nrauv phab ntsa rwb thaiv tsev, muaj incomparable thermal rwb thaiv tsev kev ua tau zoo thiab adhesion kev ua tau zoo rau cov txheej txheem txheej, thiab yooj yim siv, ib puag ncig tiv thaiv, txuag lub sij hawm, efficiency thiab ntau lwm yam zoo, yuav siv tau los hloov. polystyrene (benzene board) thiab lwm yam khoom siv rwb thaiv tsev kub.PVC ua npuas ncauj board kuj tseem siv nyob rau hauv cheeb tsam yav qab teb los ua PVC ua npuas ncauj board cib, thiaj li yuav ua tiav lub hom phiaj ntawm lub ru tsev rwb thaiv tsev thiab sab nrauv phab ntsa rwb thaiv tsev.Nws muaj cov yam ntxwv hauv qab no:
1) Kev lag luam: tus nqi qis.
2) Thermal rwb thaiv tsev: thermal conductivity yog 0.06-0.070W / (MK), thiab thermal kuj yog li 10-20 npaug ntawm cov pob zeb zoo tib yam.
3) Lub teeb yuag: qhuav ntim ntom ntawm 200-300kg / M3, sib npaug li 1/5 ~ 1/8 ntawm cov cement pob zeb zoo tib yam, tuaj yeem txo qhov hnyav tag nrho ntawm lub tsev.
4) Compressive zog: compressive zog yog 0.6-25.0MPA.
5) Kev ncaj ncees: tuaj yeem ua qhov chaw nchuav, ua ke nrog cov phiaj xwm loj, tsis tas yuav tawm ntawm ciam ciam thiab cov yeeb nkab cua.
6) tsis tshua muaj elastic shock absorption: lub porosity ntawm PVC ua npuas ncauj board ua rau nws tsis muaj elastic modulus, thiaj li hais tias nws muaj zoo nqus thiab dispersion nyhuv ntawm tej load.
7) Kev tsim kho yooj yim: tsuas yog siv PVC foaming board tshuab tuaj yeem paub txog kev ua haujlwm tsis siv neeg, tuaj yeem paub txog qhov siab ntsug ntawm 200 meters ntawm kev thauj mus los ntev, kev ua haujlwm yog 150-300m3 / hnub ua haujlwm.
8) Lub suab rwb thaiv tsev: PVC foam board rwb thaiv tsev board muaj ntau cov npuas ywj siab, thiab kev faib tawm tsis sib xws, lub suab nqus tau ntawm 0.09-0.19%, yog 5 npaug ntawm cov pob zeb zoo tib yam, nrog rau lub suab rwb thaiv tsev zoo.
9) Dej tsis kam: cam khwb cia-hauv-qhov chaw PVC ua npuas ncauj board muaj me me dej nqus, kuj ywj siab kaw npuas thiab kev ncaj ncees, yog li ntawd nws muaj qee yam dej tsis zoo.
10) Tom qab ntxiv cov khoom siv xim xim, cov khoom tuaj yeem ua rau ntau yam xim, tom qab tsim cov mis tsis zoo, nws cov xim tuaj yeem hloov mus ntev, tsis yooj yim rau kev laus.
11) Nws tuaj yeem drilled, sawed, nailed, planed thiab glued zoo li ntoo, thiab tuaj yeem tsim tau siv cov cuab yeej ua ntoo.Cov khoom tiav tuaj yeem siv rau kev sib sau ua ke thiab folding, thiab tuaj yeem txuas ncaj qha nrog lwm cov ntaub ntawv PVC.
Thib peb, cov khoom tsis txaus
PVC FOAMED BOARD muaj ntau yam txiaj ntsig, suav tias yog qhov muaj peev xwm tshaj plaws nyob rau hauv txawv teb chaws "Tsoomfwv Nroj Tsuag Khoom Siv Khoom Siv Khoom Siv", raws li qhov sib txawv siv tau, Kev ua haujlwm ntawm cov khoom kuj txawv me ntsis.Piv txwv li, "lub tsev kho kom zoo nkauj PVC board" them nyiaj ntau rau kev nyab xeeb thiab kev tiv thaiv ib puag ncig, kev nplij siab thiab kev ua haujlwm ib puag ncig tshwj xeeb, thaum "kev lag luam PVC board" them nyiaj ntau dua rau kev ua haujlwm ruaj khov, kev lag luam kev lag luam, kev tu thiab tu kev ua haujlwm.Cov neeg feem ntau nkag siab txog peb qhov kev nkag siab yuam kev ntawm PVC ua npuas ncauj board:
1, nplaim retardant tsis yog "tsis tuaj yeem hlawv";
Qee tus neeg xav siv lub teeb rau hluav taws kub PVC ua npuas ncauj, saib seb lawv puas tuaj yeem hlawv, hlawv tsis yog hluav taws, hlawv yog nplaim taws.Qhov no yog ib qho kev to taub yuam kev, lub teb chaws yuav tsum tau rau PVC ua npuas ncauj board hluav taws ntsuam xyuas BF1-T0 qib ntawm tus qauv, raws li lub teb chaws tus qauv rau cov khoom uas tsis yog-combustible li hluav taws kub A theem, xws li pob zeb, cib, thiab lwm yam. Bf1-t0 qib nplaim retardant txheej txheem tshuab muaj ib txoj kab uas hla ntawm 10㎜ paj rwb pob, dipped nyob rau hauv cawv, muab tso rau hauv PVC pem teb tej yam ntuj tso combustion, paj rwb pob hlawv tawm, ntsuas lub cheeb ntawm cov hluav taws kub PVC pem teb kab, xws li tsawg tshaj li 50㎜, yog BF1- T0 qib nplaim retardant txuj.
2, tsis muaj kev tiv thaiv ib puag ncig tsis yog los ntawm "qhov ntswg tsw";
PVC cov khoom nws tus kheej tsis muaj formaldehyde, PVC pem teb tsis pub siv formaldehyde nyob rau hauv cov txheej txheem ntau lawm, ib co advanced PVC ua npuas ncauj board yuav siv tshiab calcium carbonate raw cov ntaub ntawv, tsuas yog ua los ntawm cov khoom yuav muaj lub teeb saj, yuav tsis ua mob rau tib neeg lub cev. lub cev, yuav tsis ua rau tib neeg tsis xis nyob.Nws yuav tawg tom qab lub sijhawm ua pa.
3, " hnav-resistant" tsis yog "nrog cov cuab yeej ntse yuav tsis khawb phem";
Thaum qee tus neeg nug txog kev pabcuam lub neej thiab hnav tsis kam ntawm PVC ua npuas ncauj board, lawv tshem tawm ib rab riam lossis qhov tseem ceeb thiab lwm yam cuab yeej ntse thiab khawb qhov saum npoo ntawm PVC pem teb.Yog tias muaj khawb, nws tsis hnav-resistant.Tiag tiag lub teb chaws yog OPPOSITE PVC FLOOR ABRASION RESISTANCE TEST tsis yog tsuas yog DELIMIT nrog SHARP OBJECT nyob rau hauv lub saum npoo, txawm li cas los xij los ntawm NATIONAL DEETECTION ORGANIZATION yog ntsuas tshwj xeeb.
Plaub, kev ua haujlwm ntawm PVC ua npuas ncauj board
1. Mechanical zog
PVC ua npuas ncauj board muaj siab hardness thiab mechanical zog.Nws nce nrog qhov nce ntawm qhov hnyav molecular, tab sis txo qis nrog qhov nce ntawm qhov kub thiab txias.Rigid PVC muaj cov khoom siv zoo, thiab nws cov qauv elastic tuaj yeem ncav cuag 1500-3000mpa.Lub elasticity ntawm mos PVC yog 1.5-15 MPa.Tab sis qhov elongation ntawm so yog siab li 200% -450%.PVC kev sib txhuam yog qhov dav, kev sib txhuam zoo li qub ntawm 0.4-0.5, dynamic kev sib txhuam coefficient ntawm 0.23.
2, kev ua haujlwm hluav taws xob
PVC ua npuas ncauj board yog ib hom polymer nrog cov khoom siv hluav taws xob zoo, tab sis vim nws qhov loj dua polarity, hluav taws xob rwb thaiv tsev tsis zoo li PP thiab PE.Loj dielectric tas li, tangent ntawm dielectric poob Lub kaum ntse ntse thiab ntim resistivity, tsis zoo corona kuj, feem ntau haum rau cov khoom siv hluav taws xob tsawg thiab nruab nrab.
3. Kev ua haujlwm kub
PVC ua npuas ncauj board thermal stability yog tsis zoo heev, 140 ℃ pib decompose, melting kub ntawm 160 ℃.PVC linear expansion coefficient yog me me, nrog cov nplaim taws, oxidation index siab txog 45.
Tsib, foaming board ntau lawm yuav tsum
1. Cov txheej txheem ntau lawm
Hard PVC crusty ua npuas ncauj board txheej txheem yog raws li nram no: PVC cob + additives → kev kub ceev sib tov → tsawg ceev txias sib tov → cone twin ntsia hlau extrusion → pwm tsim (crusty ua npuas ncauj) → txias thiab shaping → multi-roller traction → txiav khoom → sau thiab kev tshuaj xyuas.Cov lus qhia tshwj xeeb ntawm cov khoom siv tawv PVC crusted ua npuas ncauj yog 1 220 mm × 2 440 mm, thiab thickness ntawm cov khoom yog 8 ~ 32 hli.
1.2 Cov kab ntau lawm layout
2. Raw khoom yuav tsum
Resin: PVC feem ntau xaiv 8 hom resin, ua gelation ceev ceev, ua haujlwm kub kuj qis, cov khoom zoo ruaj khov, ceev yog yooj yim los tswj.Nyob rau hauv xyoo tas los no, ntau manufacturers tau hloov mus rau hom 5 resin.
Stabilizer: xaiv cov stabilizer, xav txog kev tiv thaiv ib puag ncig thiab cov txiaj ntsig zoo ntawm thawj qhov kev xaiv ntawm lub ntiaj teb tsis tshua muaj stabilizer, tab sis vim yog tus nqi siab, tsis tau nce qib, yav tom ntej nrog kev nce ntxiv ntawm kev tiv thaiv ib puag ncig, kev lag luam tsis tshua muaj ntiaj teb stabilizer yuav zoo siab txais tos cov kev cia siab.Calcium thiab zinc stabilizer muaj teeb meem zinc hlawv thiab cov nyhuv stabilization yog me ntsis tsis zoo thiab qhov ntau npaum li cas tsawg dua.Tam sim no, feem ntau siv los yog lead ntsev stabilizer, foaming board vim qhov dav hla ntawm cov pwm, ntev channel thiab daj ua npuas ncauj decomposition tshav kub ntau lawm, lub stabilizer yuav tsum muaj cov ntsiab lus txhuas, zoo stability, txwv tsis pub cov khoom yog nquag mus rau ntau yam. teeb meem.
Tshuab tshuab: xaiv tus neeg sawv cev tshuab, tshuab tshuab AC nyob rau hauv cov txheej txheem decomposition kom tso tawm ntau lub cua sov, yooj yim ua rau daj seem nyob rau hauv nruab nrab, uas yuav tsum tau ib tug tej yam nqi ntawm lub tshuab nqus tsev vacuum, decomposition kom nqus cua sov ntau dhau, tus naj npawb ntawm foaming tus neeg saib xyuas kom loj, thiaj li ua tau zoo foaming tsis muaj qhov npuas loj.
Regulator: foaming regulator, dhau xyoo ntawm kev tshawb fawb thiab kev tsim kho thiab kev txhim kho, foaming regulator ACR txheej txheem tshuab yog ntau thiab ntau mature, kev ua tau zoo yog ntau thiab ruaj khov, foaming board raws li thickness, nyias phaj yuav tsum xaiv ceev plasticizing, tuab phaj yuav tsum xaiv. plasticizing qeeb daws lub zog ntawm foaming regulator.
Lubricants: Kev xaiv cov roj nplua nyeem ua raws li lub hauv paus ntsiab lus ntawm ob qho tib si thaum ntxov, nruab nrab thiab lig lubrication, kom cov ntaub ntawv muaj kev tiv thaiv los ntawm lubricants nyob rau hauv tag nrho cov theem, thiab ua raws li lub sij hawm ntev ruaj khov ntau lawm yam tsis muaj precipitating thiab scaling.
Foaming tus neeg saib xyuas: Ib qho me me ntawm tus neeg sawv cev ua npuas ncauj zinc oxide tuaj yeem muab ntxiv rau hauv kev tsim khoom los txhim kho cov foaming zoo thiab ua npuas ncauj qauv, thiab ib qho me me ntawm txhuas silicate tuaj yeem ntxiv los txo cov nag lossis daus.
Pigment: Yuav kom ua tiav cov txiaj ntsig zoo nkauj dua, titanium dioxide thiab fluorescent whitening tus neeg sawv cev tuaj yeem ntxiv, txhawm rau txhim kho huab cua tiv thaiv tuaj yeem ntxiv cov tshuaj antioxidants thiab ultraviolet absorbent.
Filling tus neeg sawv cev: lub teeb calcium carbonate tuaj yeem xaiv tau, tsis tas siv cov calcium uas muaj zog, xaiv cov xov tooj siab
Post lub sij hawm: Aug-16-2022