FAQ thiab kev txhawj xyuam rau kev tsim PVC
Kev ua lub tshuab PVC yog qhov tseem ceeb rau kev ntxiv cov khoom ntxiv raws li qhov tseem ceeb. Yog tias ntxiv tsis ntau los sis ntxiv ntau heev rau cov khoom ntxiv zoo li cov khoom tsoo tshuab, cov khoom tsoo tshuab, cov khoom tsoo tshuab, cov khoom tsoo tshuab thiab cov khoom tsoo tshuab yuav muaj kev puas tsuaj rau cov ntaub ntawv hauv qhov rooj, kev loss rau cov qhov chaw sib tw thiab kev nyuaj siab rau kev ua haujlwm. Lub tshuab no pib qhia txog cov kev puas tsuaj tseem ceeb uas muaj los ntawm kev ntxiv cov khoom ntxiv tsis zoo rau kev ua haujlwm PVC.
FAQ:
Q1: Yam twg yog qhov tshaj plaws uas yuav tsum muab?
A1: Qhov tshuab tseem ceeb tseem ceeb yog 500kg. Qhov tshuab tseem ceeb tseem ceeb yuav sib txawv rau cov khoom sib txawv, thov xaav rau peb kom paub qhov tshuab tseem ceeb rau cov khoom sib txawv.
Lub cim 2: Koj lub kev xa money yog li cas?
A2: Cov kev pab: 100% los ntawm T/T, 30% los ntawm T/T thiab 70% los ntawm L/C.
Lub Kev Ua Nplooj Qhia: Yog li cas lub ntu ntaus?
A3: Qhov xyuas: 5-7 hnub. Txhawb rau qhov tshuab tseem ceeb.
Lub cim 4: Koj tuaj yeem xa cov khoom tsoo rau peb tsis muaj tshuaj?
A4: Thov, peb tuaj yeem xa koj 200g~500g rau txhua qhov khoom.
Cov kev puas tsuaj rau kev ua haujlwm PVC thiab kev pab tshuab rau kev ntxiv cov khoom ntxiv :
Q1: Puas muaj kev puas tsuaj li cas rau cov khoom PVC yog tias ntxiv cov khoom tsoo tshuab calcium-zinc tsis ntau?
A1: Yam ntxawv calcium-zinc stabilizer tsis muaj ntau, cov khoom yuav ua rau nws muaj liab lossis muaj liab ntau, muaj kev tawm ntau thiab muaj kev tawm tsis zoo. Cov khoom yuav tawm ntau dua thiab yuav tawm ntau dua. Thaum tawm khoom, qhov tsis muaj kev tawm zoo yuav ua rau cov khoom tawg thiab cov khoom tawg hauv lub tshuab thiab yuav muaj duab liab liab. Qhov ntsuas ntawv ntawm cov khoom yuav tawm ntau dua thiab yuav tsis muaj kev ntsuas ntawv zoo.
Q2: Cov kev tawm ntawm calcium-zinc stabilizer ntau dua yuav ua rau dab tsi rau cov khoom PVC?
A2: Yam ntxawv calcium-zinc stabilizer ntau dua, qhov ntawv ntawm cov khoom yuav muaj liab liab, muaj kev tawm ntawv lossis muaj kev tawm ntawv. Cov khoom tawg, cov khoom dub thiab kev tawm ntawv yuav tawm. Cov khoom yuav tawm dua thiab yuav tawm tsis tau. Qhov ntawv yuav tawm dua thiab yuav tsis muaj kev ntsuas ntawv zoo.
Q3: Cov kev tawm ntawm foaming regulator tsis muaj ntau yuav ua rau dab tsi rau cov khoom PVC?
A3: Thaum cov lus qhia tias qhov ntau ntawm cov khoom siv rau kom txuas qhov foaming tsis zoo, qhov foaming yuav tsis zoo thiab qhov kev suav xyuas qhov structure ntawm cov cell yuav tsis zoo. Qhov ntsiag ntawm cov khoom yuav tsis zoo thiab tsis muaj qhov appearance tshiab uas muaj qhov 3D. Cov khoom yuav muaj qhov strength ntxiv tsis zoo thiab yuav tshwm sim qhov foam collapse vim qhov melt strength tsis zoo thiab qhov structure tsis muaj kev nyab xeeb.
Q4: Cov effets twg ntawm qhov ntau heev ntawm cov foaming regulator rau cov khoom PVC?
A4: Thaum qhov ntau ntawm cov foaming regulator heev heev, cov cell yuav tau ntau heev thiab tsis zoo. Qhov viscosity ntawm cov melt yuav ntau heev thiab qhov melt strength yuav ntau heev, uas yuav ua rau qhov demolding yuav tsis raug thiab yuav ua rau cov khoom nyob hauv cov mold. Thaum cov khoom tau sov, yuav tshwm sim qhov shrinkage ntau heev, uas yuav ua rau cov khoom tau warpage thiab deformation. Qhov temperature window rau kev ua haujlwm yuav nyoo heev, thiab tias qhov kev kawm ntxiv li qhov kev ua haujlwm yuav ua rau cov khoom tau scorching thiab thermal degradation.
Q5: Cov effets twg ntawm qhov ntau tsis zoo ntawm cov white foaming agent rau cov khoom PVC?
A5: Thaum cov yam ntxwv ntawm cov dej foaming white tsis muaj ntau, qhov dej foaming tsis tuaj yeem tso cia rau hauv qhov ntsuas thiab qhov density ntawm cov khoom tsis ntau. Txawm li cas los xij, qhov ntsuas yuav tshwm sim zoo, tab sis tsis muaj qhov kev ua haujlwm thiab qhov ntsuas ntawm cov khoom foaming. Cov khoom yuav tshwm sim txaus, tsis muaj kev nyab xeeb thiab tsis tuaj yeem tiv thaiv qhov tshwm sim ntawm kev tshwm sim.
Q6: Cov kev tshwm sim ntawm kev siv cov dej foaming white ntau heev rau cov khoom PVC yog dab tsi?
A6: Thaum siv cov dej foaming white ntau heev, cov cell yuav tshwm sim ntau thiab tsis zoo. Qhov structure ntawm cov dej foaming yuav tsis zoo thiab yuav tshwm sim qhov tshwm sim, qhov tshwm sim, qhov tshwm sim thiab lwm yam tshwm sim ntawm qhov ntsuas. Qhov ntsuas ntawm cov khoom yuav tshwm sim ntau thiab muaj cov qhov tshwm sim thiab lwm yam tshwm sim ntawm qhov ntsuas. Kev siv cov dej foaming ntau heev yuav tshwm sim qhov tshwm sim ntawm kev ua haujlwm ntawm cov khoom, pab los ntawm kev nyab xeeb, kev nyab xeeb thiab kev nyab xeeb.
Q7: Cov kev tshwm sim ntawm kev siv cov dej foaming yellow tsis ntau rau cov khoom PVC yog dab tsi?
A7: Thaum cov yam ntxwv ntawm qhov tshuaj foaming sib xyaw thiab yuav tsis muaj ntau, qhov foaming tsis tuaj yeem, thiab cov kab mob yuav raug los ntawm qhov tsis zoo thiab tsis muaj ntau. Qhov ntsuas ntawm cov khoom yuav loj dua li qhov tseem ceeb thiab cov khoom yuav muaj kev xav tias nws yog qhov loj thiab tsis muaj kev xav tias nws yog qhov nyooj thiab tsis muaj kev xav tias nws yog qhov muaj kev nyooj. Qhov pob ntawm cov khoom yuav muaj kev xav tias nws yog qhov smooth thiab tsis muaj kev xav tias nws yog qhov muaj kev foaming thiab tsis muaj kev xav tias nws yog qhov muaj kev tshuaj ntsuas. Qhov structure ntawm cov foam yuav tsis muaj kev tswj hwm ntau thiab tsis muaj kev tswj hwm rau cov khoom tau zoo.
Q8: Cov kev puas tsuaj ntawm qhov tshuaj foaming yuav muaj kev puas tsuaj li cas rau cov khoom PVC?
A8: Thaum cov yam ntxwv ntawm qhov yeeb tshuaj tso cua hauv qhov tsis zoo, cov kab mob yuav tuaj yeem loj heev thiab tsis zoo ib yam, thiab cov kab mob yuav tsum los ua ke. Qhov cua yuav tuaj yeem tsis muaj qhov zoo, thiab yuav tuaj yeem tshem tawm thiab khaub ncaws rau hauv qhov kab mob. Cov khoom yuav muaj qhov tshem tawm thiab qhov tshem tawm rau hauv qhov kab mob, thiab yuav muaj qhov tshem tawm thiab qhov tshem tawm rau hauv qhov kab mob. Cov khoom yuav tuaj yeem tshem tawm thiab tshem tawm rau hauv qhov kab mob. Ntawd li, qhov yeeb tshuaj tso cua yuav tuaj yeem tshem tawm heev, thiab yuav tuaj yeem tshem tawm rau hauv qhov kab mob thiab tshem tawm rau hauv qhov kab mob, thiab yuav tuaj yeem tshem tawm rau hauv qhov kab mob.
Q9: Qhov twg yog cov kev puas tsuaj ntawm qhov tshuaj tso lub zog rau hauv PVC?
A9: Yam ntxiv lub lubricant tsis muaj ntau, qhov friction siab rau hauv qhov material thiab lub mold yuav ua rau lub mold nyob hauv qhov material thiab tsis tuaj yeem tshem lub product los ntawm lub mold, thiab lub surface ntawm lub product yuav muaj qhov kub. Qhov kub siab rau qhov xwm txheej yuav ua rau muaj cov particles kub thiab cov duab dub, uas ua rau muaj cov duab ntsiab thiab cov duab ntsiab tsis zoo rau lub surface ntawm lub product. Qhov load ntawm cov khoom yuav ntxiv, uas ua rau cov khoom nyob hauv lub screw thiab lub barrel puas ntau dua thiab lub khoom yuav tsis nyob tau ntev.
Q10: Lub lubricant ntau heev yuav muaj kev puas tsuaj li cas rau cov khoom PVC?
A10: Yam ntxiv lub lubricant ntau heev, lub lubricant ntau yuav tshem mus rau lub surface, uas ua rau muaj duab npog, lub duab tshem tawm, thiab lub duab tshem tawm rau hauv lub surface lossis blooming. Lub lubricant ntau heev yuav tshem lub plasticization, uas ua rau lub plasticization tsis zoo thiab lub khoom tsis muaj zog. Rau cov khoom uas muaj lub duab foam, lub lubricant ntau heev yuav tshem lub cell structure, uas ua rau muaj lub cell tsis zoo thiab lub duab ntawm lub surface tsis zoo.
Q11: Puas muaj kev cuam tshuam los ntawm kev siv lub lubricant hauv tsis zoo?
A11: Thaum lub lubricant hauv tsis siv tau ntau, kev txhawb nqa ntau yuav ua rau cov khoom thiab cov ntaub ntawv hluav taws xob ntawm cov khoom siv ua hauj lwm yuav muaj kev txhawb nqa ntau, uas yuav ua rau cov khoom nyob hauv qhov chaw siv ua hauj lwm nyob ib leeg thiab cov khoom yuav tsum nyob hauv qhov chaw siv ua hauj lwm ntau dua, thiab kuj yuav ua rau muaj kev cuam tshuam los ntawm kev tso cua. Cov khoom yuav tsis tau siv tau zoo thiab yuav ua rau cov khoom muaj qhov ntsiab tsis zoo thiab tsis zoo. Kev siv hluav taws xob thiab kev siv lub torque yuav ntau dua, uas yuav ua rau cov khoom siv ua hauj lwm tau kev ncua ntau dua thiab yuav ua rau cov khoom siv ua hauj lwm tau kev ncua ntau dua. Cov khoom yuav muaj kev ncua, kev tshem, thiab lwm yam kev ncua hauv qhov ntsiab.
Q12: Puas muaj kev cuam tshuam los ntawm kev siv lub lubricant hauv ntau?
A12: Thaum lub ceev ntsis ntawm lub lubricant hauv qhov tsev yog loj heev, lub lubricant zoo li no yuav ua rau cov khoom hloov mus rau hauv qhov tsev, thiab tsis tuaj yeem siv lub tsev los txuas cov khoom mus rau hauv, uas ua rau cov khoom tsis tau muab txuas lawm thiab tsis tau muab ua kom zoo. Cov ntaub ntawv ntawm cov khoom yuav muaj qhov xwm txheej xwm taub zoo li muaj lub vaj huam uas tsis muaj kev nyab xeeb, thiab lub lubricant yuav muaj kev tshuav mus rau ntawm cov khoom thiab muaj kev tshuav mus rau ntawm cov khoom yuav ua rau cov khoom muaj qhov xwm txheej xwm taub. Lub zog ntawm cov khoom yuav ncaj ncees thiab yuav muaj kev ncaj ncees dua. Cov ntaub ntawv hauv ntawm cov khoom yuav cuam tshuam rau kev nyab xeeb ntawm cov kev ua haujlwm tom qab, pivtxwv li kev sau thiab kev tshuaj ntsuas.
Q13: Qhov twg yog kev puas tsuaj ntawm CPE tsis puv rau cov khoom PVC?
A13: Thaum lub cim ntawm CPE tsis muaj ntau, cov khoom yuav tsis muaj kev nyuaj siab thiab yuav muaj kev cuam tshuam rau kev pov tseg hauv qhov cua ntsuag. Cov khoom yuav muaj kev nyuaj siab thiab tsis muaj kev nco qhia thiab kev nco qhia. Kev tswj hwm rau kev kub thiab kev sov yuav ntxiv los ntawm kev sib xyaw, thiab yuav muaj kev pov tseg thiab kev nco qhia rau kev sib xyaw hauv qhov cua ntsuag. Kev tswj hwm rau kev pov tseg thiab kev nco qhia yuav ntxiv los ntawm kev sib xyaw.
Q14: Puas muaj kev cuam tshuam rau cov khoom PVC thaum CPE ntau heev?
A14: Thaum lub cim ntawm CPE ntau heev, cov cim yuav muaj kev nyuaj siab thiab yuav muaj kev cuam tshuam rau kev sib xyaw thiab kev sib xyaw. Cov khoom yuav muaj kev nyuaj siab thiab yuav muaj kev cuam tshuam rau kev sib xyaw thiab kev sib xyaw. Kev nyuaj siab ntawm cov khoom yuav ntxiv los ntawm kev sib xyaw. Thaum lub cim ntau heev, kev ntxiv ntxiv yuav tsis muaj kev cuam tshuam rau kev sib xyaw thiab yuav ntxiv los ntawm kev sib xyaw.
Q15: Puas muaj kev cuam tshuam rau cov khoom PVC thaum ACR tsis muaj ntau?
A15: Thaum ACR tsis muaj ntau dua, qhov plasticization yuav tawm dua thiab qhov melt strength yuav tsis zoo. Qhov plasticization yuav tsis zoo rau lub sijhawm ua haujlwm. Lub ntsiab ntawm cov fish eyes yuav ntau dua rau hauv qhov ntsiab ntawm cov khoom, uas ua rau qhov ntsiab ntawm cov khoom yuav tsis zoo thiab qhov gloss yuav ntau dua. Qhov strength ntawm cov khoom yuav ntau dua thiab qhov brittleness yuav ntau dua, uas ua rau cov khoom yuav ntau dua rau qhov cracking thaum muaj kev puas tsuaj lossis thaum hmoov ntau. Rau lub sijhawm extrusion, lub motor current thiab lub equipment torque yuav ntau dua, uas ua rau lub equipment muaj kev puas tsuaj ntau dua.
Q16: Cov effets ntawm ACR ntau dua rau cov khoom PVC yog dab tsi?
A16: Thaum ACR yuav tsum tsis txhob muaj ntau heev, vim tias cov khoom yuav tsum plasticize rau hauv lub barrel li cas, thiab ua rau cov khoom muaj viscosity thiab melt strength ntau heev, thiab ua rau yuav tsum xam tau zoo dua. Cov khoom yuav tsum nyob rau hauv roller lossis mold thiab ua rau roller sticking. Cov scorch particles, black spots, thiab lwm yam thermal degradation products kuj yuav tsum muaj. Cov internal stress yuav tsum ntau heev rau hauv cov khoom, thiab ua rau cov khoom muaj stress cracking thaum siv lossis khiav rau hauv tsev. Melt flowability yuav tsum pheej, thiab cov khoom yuav tsum muaj qhov ntsiab ntsiab lossis hairy, thiab ua rau cov khoom tsis muaj qhov ntsiab ntsiab.
