Txawm hais tias nyob rau hauv kev tsim khoom lossis kev tu vaj tse hlau niaj hnub, hlau corrosion tseem ua rau mob taub hau loj rau cov neeg ua haujlwm thiab cov kws ua haujlwm. Raws li cov ntaub ntawv ua tau zoo thiab kev tiv thaiv lub koom haum (AMPP), thoob ntiaj teb kev lag luam poob vim xeb tshaj $ 2.5 trillion txhua xyoo, sib npaug li 3% ntawm GDP thoob ntiaj teb. Tau ntsib nrog qhov teeb meem no, peb cov kev xaiv muaj tseeb txwv. Piv txwv li, tsoos sanding tsis yog tsuas yog siv tsis tau tab sis kuj ua rau cov hlau substrate puas; thaum muaj zog acids zoo li hydrochloric acid tshem tawm xeb sai sai, lawv yooj yim ua rau hydrogen embrittlement. Tawm tsam qhov teeb meem no, phosphoric acid xeb tshem tawm, nrog rau lawv cov tshuaj hloov pauv hloov pauv hloov pauv, tau dhau los ua qhov kev xaiv zoo tshaj plaws hauv kev kho hlau.
Kab lus no tau txheeb xyuas cov qauv kev tshawb fawb, cov tswv yim xaiv cov tswv yim, cov txheej txheem kev ua haujlwm nyab xeeb, thiab ua tiav cov kauj ruam ntawm phosphoric acid xeb tshem tawm. Los ntawm qhov tiag -cov piv txwv ntawm lub ntiaj teb no ntawm kev kho tsheb qhov chaw kho tsheb thiab kev kho cov cuab yeej siv hauv kev lag luam, nws qhia tau hais tias nws cov kev siv cuam tshuam hauv cov xwm txheej sib txawv. Txawm hais tias koj yog ib tus neeg nyiam DIY lossis tus kws tshaj lij kev lag luam, nyeem kab lus no yuav pab koj kom paub txog cov cuab yeej tshem tawm xeb.
Lub hauv paus ntsiab lus ntawm kev tshawb fawb ntawm Phosphoric Acid Rust Removers: Yuav Ua Li Cas Hloov Cov Xeb
Tshuaj Mechanism ntawm xeb tsim: Vim li cas hlau xeb?
Kev xeb ntawm hlau-raws li alloys yog qhov tseem ceeb ntawm cov tshuaj tiv thaiv electrochemical. Thaum cov hlau nto los rau hauv kev sib cuag nrog oxygen thiab dej, cov tshuaj tiv thaiv oxidation ntawm cov hlau tshwm sim hauv cheeb tsam anodic (Fe → Fe²⁺ + 2e⁻), thaum cov tshuaj txo cov pa oxygen tshwm sim hauv cheeb tsam cathodic (O₂ + 2H₂O + 4e⁻ → 4OH⁻). Ob txheej txheem no txuas ntxiv mus, thaum kawg tsim cov xim liab -xim av ferric oxide hydrate (Fe₂O₃·nH₂O), uas yog cov xeb liab.
Ib puag ncig yam tseem ceeb ua kom cov txheej txheem xeb: Hauv thaj chaw ntug dej hiav txwv, chloride ions tuaj yeem nkag mus rau cov hlau oxide zaj duab xis, ua rau 3-5 npaug ntawm pitting corrosion; sulfur dioxide nyob rau hauv kev lag luam ib puag ncig tuaj yeem nce cov tshuaj tiv thaiv xeb los ntawm 2-3 xaj ntawm qhov loj. Ntau hom xeb muaj cov yam ntxwv sib txawv: cov xeb liab (Fe₂O₃) yog xoob thiab yooj yim tev tawm, xeb dub (Fe₃O₄) yog qhov ntom ntom tab sis tseem kis tau, thaum pitting corrosion ua rau qhov sib sib zog nqus corrosion pits ntawm cov hlau nto, ua rau muaj zog heev.
Cov txheej txheem hloov dua siab tshiab ntawm phosphoric acid xeb tshem tawm: kev hloov pauv ruaj khov ntawm Fe₂O₃ rau FePO₄
Lub ntsiab kom zoo dua ntawm phosphoric acid xeb tshem tawm yog nyob rau hauv lawv cov tshuaj hloov dua siab tshiab muaj peev xwm, es tsis yooj yim dissolution thiab tev. Thaum phosphoric acid (H₃PO₄) los rau hauv kev sib cuag nrog xeb, cov tshuaj tiv thaiv hauv qab no tshwm sim:
Fe₂O₃ + 2H₃PO₄ → 2FePO₄↓ + 3H₂O
Qhov tshwm sim ntawm cov hlau phosphate (FePO₄) yog ib qho ruaj khov, bluish -dub compound uas adheres nruj nreem rau cov hlau nto, tsim cov yeeb yaj kiab tiv thaiv kwv yees li 2-5 μm tuab. Cov yeeb yaj kiab tiv thaiv no tsis yog tsuas yog tiv thaiv kev xeb ntxiv tab sis kuj tseem txhim kho qhov adhesion ntawm cov txheej txheem tom ntej (ntau tshaj 40% siab dua li cov txheej txheem tshem tawm xeb).
Piv nrog rau cov neeg kho tshuab xeb tshem tawm, phosphoric acid hloov dua siab tshiab kho tsis hloov geometry ntawm hlau qhov chaw; piv rau hydrochloric acid xeb tshem tawm, nws tsis tsim cov roj hydrogen, uas tuaj yeem ua rau hydrogen embrittlement. Cov ntaub ntawv xeem los ntawm American Society for Testing and Materials (ASTM) qhia tau hais tias cov chaw hlau kho nrog phosphoric acid xeb tshem tawm tuaj yeem tiv taus ntsev tsuag rau ntau tshaj 500 teev, deb tshaj li 200-teev tus qauv ntawm cov txheej txheem ib txwm muaj.
Xaiv Phosphoric Acid Rust Remover: Concentration, Purity, thiab Product Yam ntxwv
Concentration Selection Guide: Application Scenarios Qhov txawv ntawm 30% mus rau 85%
Qhov concentration ntawm phosphoric acid xeb tshem tawm ncaj qha cuam tshuam rau kev tshem tawm xeb thiab cov nqi kho mob. Feem ntau cov ntsiab lus tshwj xeeb ntawm kev ua lag luam thiab lawv cov xwm txheej muaj raws li hauv qab no:
• Tsawg concentration (30-40%): Haum rau tsev DIY thiab kho lub teeb xeb. Cov ntawv thov ib txwm muaj xws li tsheb kauj vab saw xeb tshem tawm thiab kho vaj tsev kho kom zoo nkauj. Cov khoom no feem ntau muaj cov tshuaj tiv thaiv corrosion thiab tuaj yeem siv ncaj qha yam tsis muaj dilution.
• Nruab nrab concentration (50-70%): Feem ntau siv rau kev kho tsheb thiab kho qhov chaw kho tshuab. Piv txwv li, nyob rau hauv scenarios xws li cav thaiv xeb tshem tawm thiab gearbox vaj tse refurbishment. Thaum siv, dilute nrog dej ntawm 1: 1 piv, thiab tswj lub sijhawm kho rau 20-30 feeb.
• Siab concentration (75-85%): Rau hnyav kev lag luam xeb thiab loj - teev kev kho mob, xws li xeb tshem tawm cov choj steel qauv thiab kev tu lub nkoj nkoj. Hom khoom no yuav tsum tau ua haujlwm tshaj lij thiab feem ntau siv cov txheej txheem immersion. Lub sijhawm kho nws txawv ntawm 30 feeb mus rau 2 teev nyob ntawm qhov hnyav ntawm xeb.
Nws yog ib qho tseem ceeb uas yuav tsum nco ntsoov tias ntau dua concentration tsis yog ib txwm zoo dua. Tshawb nrhiav los ntawmNyiv Society of Corrosion Engineeringqhia tau hais tias thaum cov phosphoric acid concentration ntau tshaj 85%, cov tshuaj tiv thaiv tus nqi txo los ntawm 15-20%. Qhov no yog vim cov kev daws teeb meem siab ua rau cov hlau phosphate zaj duab xis tsim sai heev, cuam tshuam cov tshuaj tiv thaiv txuas ntxiv.
Sinoright's Technological Advantages in Phosphoric Acid Chemicals
Ntawm ntau cov khoom lag luam phosphoric acid, Sinoright's phosphoric acid chemicals sawv tawm rau lawv cov kev ua tau zoo tshaj, feem ntau hauv peb yam:
- Ultra- cov ntaub ntawv purity siab: Siv cov txheej txheem ntub dej phosphoric acid purification technology, phosphoric acid purity ncav cuag 85% -88%, ua tau raws li ntau yam kev xav tau hauv ntau qhov xwm txheej. High purity kom ntseeg tau tias cov tshuaj tiv thaiv tsis sib xws thiab tsis txhob muaj kev cuam tshuam hauv zos los ntawm impurities.
- Tshwj xeeb Corrosion Inhibitor Formula: Ntxiv 0.2-0.5% organophosphonic acid corrosion inhibitor tswj tus nqi corrosion ntawm hlau substrates kom qis dua 0.1 g / m²·h. Kev sib piv cov kev sim qhia tau hais tias, nyob rau hauv tib yam kev mob, cov hlau yuag poob siv Sinoright cov khoom tsuas yog 1/5 ntawm cov phosphoric acid zoo tib yam.
- Flexible Ntim Specifications: Muaj ntau yam kev xaiv ntim los ntawm 500 mL fwj mus rau 200 L nruas yog muaj los ua kom tau raws li qhov xav tau ntawm cov xwm txheej sib txawv. Cov tsim tshwj xeeb tsim 5 L nqa nruas nrog cov pa xau- pov thawj valve yog qhov zoo tagnrho rau siv hauv cov chaw ua haujlwm txawb xws li khw muag khoom kho tsheb.
Phosphoric Acid Rust Remover Safety Handling Guidelines: Kev tiv thaiv thiab kev ntsuas kub ceev
Cov Khoom Siv Tiv Thaiv Tus Kheej (PPE).
Ua kom tiav cov cuab yeej tiv thaiv tus kheej yog qhov tseem ceeb thaum tuav phosphoric acid xeb tshem tawm. Raws li cov qauv ntawm US Occupational Safety and Health Administration (OSHA), yam tsawg kawg cov khoom siv tiv thaiv hauv qab no yuav tsum tau muab:
• Kev tiv thaiv tes: Cov hnab looj tes tiv thaiv acid thiab alkali (cov khoom siv nitrile pom zoo, tuab dua lossis sib npaug li 0.5 hli). Tshawb xyuas kev puas tsuaj ua ntej siv thiab hloov txhua 2 teev.
• Kev tiv thaiv qhov muag: tsom iav tshuaj (ua raws li tus qauv ANSI Z87.1). Hnav daim npog ntsej muag ntxiv thaum lub sijhawm ua haujlwm tshuaj tiv thaiv kom tsis txhob muaj kua qaub tiv thaiv lub ntsej muag.
• Kev tiv thaiv ua pa: Thaum qhov chaw ua haujlwm tsis muaj qhov cua tsis zoo, hnav lub npog ntsej muag roj (nrog lub tshuab lim dej) kom ntseeg tau tias qhov nqus tau pa tsawg dua lossis sib npaug li 35 Pa.
• Kev tiv thaiv lub cev: Corrosion-resistant apron (PVC los yog neoprene) thiab tshuaj lom neeg- cov khau tiv thaiv kom tsis txhob muaj tawv nqaij ncaj qha.
Cov txheej txheem khaws cia thiab thaum muaj xwm txheej ceev
Kev khaws cia ntawm phosphoric acid xeb tshem tawm yuav tsum ua raws li peb lub hauv paus ntsiab lus ntawm "kev rho tawm, qhov cua, thiab kev tiv thaiv tawm": qhov ntsuas kub yuav tsum tau tswj ntawm 5 txog 35 degree, kom deb ntawm oxidizers thiab muaj zog alkalis (xws li sodium hydroxide, ammonia, thiab lwm yam), thiab qhov chaw cia yuav tsum tau nruab nrog lub xau - zoo dua li 1 cm. Nyob rau hauv cov ntaub ntawv ntawm ib tug xau, ua raws li nram no cov kev ntsuas tam sim ntawd:
1. Tshem tawm cov neeg ua haujlwm tsis muaj kev cuam tshuam thiab teeb tsa cov cim ceeb toom hauv cheeb tsam xau;
2. Tom qab muab tag nrho cov iav tiv thaiv, neutralize cov khoom xau nrog dej qab zib tshauv (Na₂CO₃) lossis ci dej qab zib (NaHCO₃), ntawm qhov sib piv ntawm 1 kg acid rau 0.8 kg soda tshauv;
3. Nqus cov kua nruab nrab nrog cov khoom siv tsis zoo (xws li vermiculite) thiab muab tso rau hauv ib qho corrosion-cov thawv rau kev tuav haujlwm.
Kev kho mob thaum muaj xwm ceev ntawm daim tawv nqaij: Tshem tawm cov khaub ncaws tsis huv tam sim ntawd thiab yaug qhov chaw sib cuag nrog dej ntws tsawg kawg 15 feeb (dej kub ntawm 15-25 degrees). Yog tias liab lossis mob tshwm sim, nrhiav kev kho mob tam sim ntawd. Rau qhov muag qhov muag, qhib daim tawv muag thiab yaug nrog cov tshuaj ntsev rau 20 feeb ua ntej mus ntsib kws kho mob.
Cov kauj ruam tswv yim rau phosphoric acid xeb tshem tawm: Los ntawm pretreatment mus rau tom qab kho
Deg pretreatment: Degreasing thiab tshem tawm ntawm xoob xeb
Tus yuam sij rau kev tshem tawm xeb zoo yog nyob rau hauv kev kho kom zoo. Ua ntej, tshem tawm xoob xeb los ntawm qhov chaw nrog ib tug hlau txhuam los yog ntawv xuab zeb. Rau cov khaubncaws sab nraud povtseg tuab, cov cuab yeej pneumatic xeb tshem tawm tuaj yeem siv tau (pom zoo ua haujlwm siab 0.6-0.8 MPa). Cov kev tshawb fawb tau pom tias kev kho ua ntej tuaj yeem tshem tawm 30-50% ntawm cov xeb, cuam tshuam ncaj qha rau kev ua haujlwm ntawm cov tshuaj phosphoric acid tom qab.
Degreasing yog lwm kauj ruam tseem ceeb. Cov kuab tshuaj-raws li degreasers (xws li 1,1,1-trichloroethane) los yog alkaline degreasers (pH 10-12) tuaj yeem siv. Rau machining roj, ultrasonic tu (ntau zaus 28-40 kHz, lub sij hawm 10-15 feeb) yog pom zoo; rau cov roj tiv thaiv xeb, tshuaj tsuag degreasing (siab 0.3-0.5 MPa) tuaj yeem siv.
Phosphoric Acid Solution Preparation and Application Methods
Dilution ratios rau phosphoric acid xeb tshem tawm txawv nyob ntawm seb qib ntawm xeb thiab kev kho mob scenario:
• Lub teeb xeb (xeb thaj tsam <30%): 1:3 dilution (1 feem acid + 3 qhov dej)
• Tsis tshua muaj xeb (30% Tsawg dua lossis sib npaug rau thaj tsam xeb Tsawg dua lossis sib npaug li 60%): 1: 2 dilution
• Cov xeb hnyav (xeb cheeb tsam> 60%): 1: 1 dilution los yog siv cov tshuaj uas tsis muaj tshuaj lom.
Thaum npaj cov tshuaj, cov ntsiab lus "acid rau dej" yuav tsum tau ua raws li nruj me ntsis raws li: Ua ntej, ntxiv cov nqi ntawm cov dej rau hauv cov kua qaub- resistant thawv, ces maj mam ncuav nyob rau hauv lub phosphoric acid thaum tsis tu ncua stirring nrog ib tug iav pas nrig. Qhov no yog vim tias phosphoric acid dilution tso tawm ntau cov cua sov (kwv yees li 28 kJ / mol), thiab thim rov qab qhov kev txiav txim yuav ua rau cov tshuaj txaws.
Kev xaiv txoj kev xaiv yuav tsum xav txog cov duab thiab qhov loj ntawm lub workpiece:
• Txoj kev txhuam hniav: Haum rau cov khoom siv loj. Siv cov plaub hau txhuam txhuam kom sib npaug, tswj cov txheej tuab rau 0.2-0.3 hli, nrog rau qhov ntau npaum li 150-200 mL ib square meter. • Immersion Method: Tsim nyog rau qhov me me, lub sijhawm immersion 10-60 feeb (kho raws li qib ntawm xeb). Ultrasonic kev pab (frequency 40 kHz) yog pom zoo los txhim kho efficiency.
• Txoj Kev Txau: Rau cov txheej txheem nyuaj, tshuaj tsuag siab 0.2-0.3 MPa, tee txoj kab uas hla 50-100 μm, xyuas kom txhua qhov chaw npog.
Reaction Control thiab Post -Tshuaj Ntsiab Cai
Qhov zoo tshaj plaws kub rau phosphoric acid xeb tshem tawm yog 20-30 degree. Rau txhua txhua 10℃nce hauv qhov kub thiab txias, cov tshuaj tiv thaiv nce kwv yees li 1.5 npaug, tab sis qhov no kuj ua rau cov txheej txheem corrosion. Yog li ntawd, nyob rau lub caij ntuj sov huab cua, nws raug nquahu kom txo lub sijhawm kho lossis txo qhov kev daws teeb meem.
Muaj ob txoj hauv kev los txiav txim siab qhov kawg ntawm cov tshuaj tiv thaiv:
1. Kev soj ntsuam pom: Nres cov tshuaj tiv thaiv thaum lub rusted nto hloov xim xiav - xim dub (ferric phosphate zaj duab xis);
2. pH test: Siv cov ntawv xeem pH los xyuas cov tshuaj pH nqi. Thaum pH > 2.5, nws qhia tau hais tias phosphoric acid tau noj ntau heev.
Tom qab- kev kho mob suav nrog ob kauj ruam tseem ceeb: kev ua kom tsis zoo thiab ziab. Neutralization tuaj yeem ua tiav los ntawm kev ntub dej hauv 5% sodium carbonate tov rau 5-10 feeb, lossis los ntawm kev txau cov tshuaj tua kab mob kom txog thaum pH kuaj daim ntawv qhia 6-8. Kev ziab yuav tsum tau nqa tawm tam sim tom qab neutralization, thiab tuaj yeem ua tau los ntawm:
• Cua ziab: 2-4 teev (ambient humidity <60%)
• Cua kub kom qhuav: 60-80 degree, 30-60 feeb
• Compressed cua kom qhuav: 0.4-0.6 MPa, 5-10 feeb.
Daim Ntawv Thov Kev Lag Luam: Ntau -Scenario Xyaum Phosphoric Acid Rust Remover
Automotive Parts Refurbishment: Los ntawm Chassis mus rau Cav Thaiv
Lub khw kho tsheb siv Sinoright 75% phosphoric acid xeb tshem tawm los kho lub chassis ntawm lub tsheb puas. Cov txheej txheem tshwj xeeb yog raws li nram no:
1. Sandblasting pretreatment kom tshem tawm cov xeb tuab (siab 0.7 MPa, abrasive particle txoj kab uas hla 0.5-1 hli);
2. 1: 1 dilution ntawm phosphoric acid xeb tshem tawm, soaking rau 30 feeb;
3. Neutralization nrog 5% sodium carbonate, ua raws li electrostatic txau ntawm epoxy primer (zaj duab xis thickness 60-80 μm).
Lub chassis kho tau dhau 500-teev cov tshuaj ntsev ntsev (ASTM B117 tus qauv), thaum lub chassis kho nrog ib txwm siv sijhawm tsuas yog 200 teev. Qhov tseem ceeb tshaj, cov txheej txheem no txo cov sij hawm kho los ntawm 8 teev ntawm cov tsoos sandblasting mus rau 3 teev, txo tus nqi ntawm ib lub tsheb los ntawm kwv yees li 40%.
Kev tshem tawm xeb ntawm lub cav thaiv lub tsho dej yog lwm daim ntawv thov. Lub cav refurbishment cog tau ntse tshem tawm 0.2 hli tuab txheej ntawm nplai thiab xeb siv Sinoright 60% phosphoric acid xeb tshem tawm los ntawm kev quab yuam ncig (ntws tus nqi 50 L / min, kub 40 degree), rov ua kom lub tshav kub dissipation efficiency ntawm lub tsho dej.
Cov Khoom Siv Kho Khoom Siv Hauv Tsev: Cov tswv yim tshem tawm xeb txhawm rau txuas lub neej ntawm lub tshuab
Lub tshuab ua haujlwm hnyav tau ua tiav cov txiaj ntsig tseem ceeb los ntawm kev kho lub tshuab dov archway nrog phosphoric acid xeb tshem tawm. Lub archway, ua los ntawm Q345 steel, muaj thaj tsam ntawm thaj tsam li ntawm 20 m² thiab qib xeb mus txog ISO 8501-1 Sa 2. Txoj kev kho mob:
1. Siab - tso dej siab (15 MPa) kom tshem tawm cov impurities saum npoo;
2. Siv 50% phosphoric acid xeb tshem tawm (nrog 0.3% corrosion inhibitor);
3. Tom qab reacting rau 45 feeb, yaug nrog dej siab - siab (5 MPa);
4. Thermal spraying zinc kho (thickness 80-100 μm).
Tom qab kev kho mob, cov khoom siv tu lub voj voog tau txuas ntxiv los ntawm 6 lub hlis mus rau 2 xyoos, txuag kwv yees li 1.2 lab yuan hauv cov nqi tu txhua xyoo. Qhov tseem ceeb, qhov kev hloov pauv qhov tseeb ntawm archway thaum kho yog tsawg dua 0.02 hli, ua tiav raws li cov kev xav tau sib dhos tom ntej.
Lwm qhov xwm txheej yog kev kho xeb tshem tawm ntawm cov phab ntsa sab hauv ntawm cov hlab ntsha hauv cov tshuaj tiv thaiv ntawm cov nroj tsuag tshuaj. SivSinoright 85% phosphoric acidrust remover, tusyees txau los ntawm ib tug rotating nozzle (30 rpm), ua ke nrog ultrasonic kev pab (28 kHz), kev ua hauj lwm uas yuav siv sij hawm 8 teev siv ib txwm txoj kev tau ua tiav nyob rau hauv tsuas yog 2 teev. Tsis tas li ntawd, qhov roughness saum npoo Ra ntawm lub nkoj tom qab kev kho mob mus txog 1.6 μm, ua tau raws li cov khoom noj - qib yuav tsum tau ua.
Cov lus nug nquag nug (FAQ)
Q: Puas tuaj yeem siv phosphoric acid xeb tshem tawm ntawm cov hlau tsis huv?
A: Rau austenitic stainless hlau xws li 304 thiab 316, nws raug nquahu kom siv cov tshuaj phosphoric acid xeb tshem tawm nrog cov ntsiab lus qis dua 30%, tswj lub sijhawm kho kom tsis pub dhau 10 feeb, thiab tam sim ntawd neutralizing nws. Rau molybdenum- muaj cov hlau tsis muaj steel (xws li 316L), lub sijhawm kho tuaj yeem txuas ntxiv mus rau 15 feeb, tab sis nws tsis pom zoo rau martensitic stainless hlau (xws li 410) kom tsis txhob muaj kev cuam tshuam ntawm intergranular.
Q: Ntev npaum li cas tom qab kev kho mob tuaj yeem siv tau?
A: Ideally, the primer should be applied within 4 hours after treatment. If the ambient humidity is >70%, nws raug nquahu kom ua tiav nws hauv 2 teev. Yog tias cov txheej txheem tsis siv rau hauv 24 teev, kev kho saum npoo yuav tsum rov ua dua. Kev sim cov ntaub ntawv qhia tau hais tias nyob rau hauv tej yam kev mob ntawm 25℃thiab 60% av noo, oxide txheej ntawm 0.1 μm thickness yuav tsim nyob rau hauv cov hlau phosphate zaj duab xis nyob rau hauv 48 teev, cuam tshuam rau txheej adhesion.
Q: Yuav ua li cas kho cov kua khib nyiab hauv ib puag ncig tus phooj ywg?
A: Cov kua dej tsis zoo yuav tsum tau kuaj pH tus nqi (yuav tsum yog 6-9) thiab cov ntsiab lus hlau hnyav. Rau cov kua khib nyiab nrog cov hlau ion concentration ntau dua 100 mg / L, sodium hydroxide tuaj yeem muab ntxiv los kho pH rau 9-10, tsim cov hlau hydroxide precipitate rau kev tshem tawm. Cov dej khib nyiab kho yuav tsum ua raws li cov qauv hauv cheeb tsam ib puag ncig (xws li Tuam Tshoj tus GB 8978-1996). Tsuas yog tom qab muab pov tseg kom zoo tuaj yeem tso cov pov tseg, lossis nws yuav tsum tau ua haujlwm los ntawm lub tuam txhab kev kho cov khib nyiab pov tseg.
Xaus: Tus nqi ntawm kev xaiv Phosphoric Acid Rust Remover thiab cov kauj ruam tom ntej
Phosphoric acid xeb tshem tawm ua tiav cov txiaj ntsig zoo, nyab xeeb, thiab kev tiv thaiv ib puag ncig xeb los ntawm kev hloov tshuaj lom neeg. Piv nrog rau cov txheej txheem ib txwm muaj, nws muaj cov txiaj ntsig tseem ceeb hauv qab no:
• Ua kom muaj kev ua tau zoo: Kev ua haujlwm ceev yog 2-5 zaug nrawm dua li kev tshem tawm cov tshuab xeb;
• Txo tus nqi: Tag nrho cov nqi yog 30-50% qis dua sandblasting;
• Txhim khu kev ntseeg tau zoo: Cov hlau phosphate tiv thaiv zaj duab xis nce corrosion kuj los ntawm 2-3 zaug;
• Ib puag ncig tus phooj ywg thiab nyab xeeb: Tsis muaj cov pa taws tsis zoo ntawm cov organic emissions, thiab cov kua khib nyiab tuaj yeem ua rau nruab nrab.
Rau DIY enthusiasts, nws raug nquahu kom xaiv Sinoright 30% phosphoric acid xeb tshem tawm cov khoom siv (nrog rau cov khoom siv tiv thaiv thiab cov khoom siv nruab nrab), haum rau lub teeb xeb tshem tawm cov cuab yeej hauv tsev, tsheb kauj vab, thiab lwm yam. Cov neeg siv khoom siv tuaj yeem xaiv cov khoom siv nrog cov concentration ntawm 50-85% nyob ntawm seb cov qib xeb, thiab siv cov cuab yeej siv kom tsim nyog.
Hlau xeb yog qhov kev zam, tab sis peb tuaj yeem xaiv ntau txoj hauv kev los daws nws. Phosphoric acid xeb tshem tawm yog revolutionizing tsoos hlau txij nkawm. Lawv tsis yog tsuas yog cov cuab yeej tshem tawm xeb, tab sis kuj yog ib qho kev daws teeb meem rau kev kho hlau nto. Txheeb xyuas koj cov kev xav tau ntawm cov hlau tam sim no thiab xaiv txoj cai phosphoric acid xeb tshem tawm kom rov qab koj cov hlau qub ci thiab txuas ntxiv koj cov cuab yeej siv lub neej.
Nco ntsoov: Hauv kev kho hlau, kev tiv thaiv ib txwm zoo dua li kev kho. Kev tiv thaiv kev kho mob tsis tu ncua nrog phosphoric acid xeb tshem tawm tuaj yeem txo cov nqi kho khoom ntau dua 60%.Hu rau Sinoright technical teamtam sim no rau kev kho xeb tshem tawm thiab pib koj txoj kev mus rau kev kho hlau zoo.