The so-called "orange peel" is actually a surface defect similar in appearance to orange peel, and it is a slight regular convex and concave pattern seen under a magnifying glass. The reasons are:
(1) Lub solidification ceev ntawm cov hmoov yog ceev heev, tus kheej -leveling khoom yog tsis zoo, los yog lub solidification kub yog tsawg, thiab lub melt fluidity yog tsis zoo;
(2) Thaum cov khoom raug txau, cov hmoov los ntawm rab phom txau yog sib quas ntus, cov khoom tam sim ntawd nyob deb thiab ze, los yog cov khoom raug thaiv electrostatically, uas ua rau cov thickness ntawm cov hmoov txheej ntawm qhov chaw sib txawv. , cov zaj duab xis txheej yog nyias dhau lawm, thiab saum npoo ntawm txheej zaj duab xis yog cov leeg nqaij -zoo li wrinkles; txheej zaj duab xis tuab heev, txheej yog striped txiv kab ntxwv tev;
(3) Thaum txau, cov hmoov atomization tsis zoo;
(4) Cov hmoov sib xyaw ntawm tib xim los ntawm cov tuam txhab sib txawv. Vim yog cov qauv sib txawv thiab xaiv cov khoom siv raw ntawm tib xim hmoov los ntawm cov tuam txhab sib txawv, qhov ceev thiab qhov nro ntawm cov hmoov thaum lub sij hawm yaj theem sib txawv, ua rau cov txiv kab ntxwv tev lossis shrinkage;
(5) Qhov tsis xws luag ntawm cov hmoov coatings yog feem ntau: tsis zoo dispersion ntawm hmoov txheej, uas yog, tsis zoo dispersion ntawm pigments, resins thiab additives, ua rau inconsistent leveling ceev thiab nto nro ntawm hmoov txheej thaum yaj leveling, tsim txiv kab ntxwv tev los yog txawm shrinkage. ; lub fineness ntawm txheej yog tsis txaus (feem ntau yog qhov teeb meem ntawm cov xim), muaj ib co loj hais, uas yuav ua rau txiv kab ntxwv tev los yog shrinkage tom qab kho; cov khoom siv raw ntawm cov hmoov coatings (resin, leveling agent, curing agent, etc. Additives) Kev xaiv tsis raug lossis qib qis lossis ntau yam khoom ntawm ib qho khoom yuav ua rau txiv kab ntxwv tev thiab shrinkage kab noj hniav tom qab hmoov solidification.
