Cov hnab ntim cov tub yees txias feem ntau yog tsim los ntawm ntau cov ntaub ntawv tseem ceeb los muab cov rwb thaiv tsev zoo thiab muaj zog txaus.Cov ntaub ntawv tseem ceeb muaj xws li:
1. Cov khoom siv txheej txheej:
-Nylon: Lub teeb yuag thiab ruaj khov, feem ntau yog siv rau sab nrauv ntawm cov khoom siv dej khov zoo.Nylon muaj zoo hnav tsis kam thiab tsim kua muag.
-Polyester: Lwm cov khoom siv feem ntau siv txheej txheej, me ntsis pheej yig dua li nylon, thiab tseem muaj cov kav ntev thiab tsim kua muag.
-Vinyl: Tsim nyog rau cov ntawv thov uas xav tau kev tiv thaiv dej los yog yooj yim los ntxuav qhov chaw.
2. Cov khoom siv rwb thaiv tsev:
-Polyurethane ua npuas ncauj: nws yog cov khoom siv insulating ntau heev, thiab yog siv dav hauv cov hnab ntim cov tub yees vim nws cov thermal rwb thaiv tsev zoo heev thiab cov yam ntxwv sib zog.
-Polystyrene (EPS) ua npuas ncauj: tseem hu ua styrofoam, cov khoom no feem ntau yog siv rau hauv cov thawv txias txias thiab qee qhov kev daws teeb meem ib zaug.
3. Cov khoom siv sab hauv:
-Aluminium foil los yog metallized zaj duab xis: feem ntau yog siv los ua cov khoom siv hauv ob sab phlu los pab cuam tshuam cov cua sov thiab tswj qhov kub thiab txias.
-Food grade PEVA (polyethylene vinyl acetate): Cov khoom siv yas tsis muaj tshuaj lom neeg feem ntau siv rau txheej txheej hauv cov hnab dej khov hauv kev sib cuag nrog cov zaub mov, thiab nrov dua vim nws tsis muaj PVC.
4. Filler:
-Gel hnab: hnab ntim tshwj xeeb gel, uas tuaj yeem ua kom txias txias rau lub sijhawm ntev tom qab khov.Gel feem ntau yog tsim los ntawm kev sib xyaw dej thiab cov khoom siv polymer (xws li polyacrylamide), qee zaum cov tshuaj tua kab mob thiab tshuaj tua kab mob ntxiv los txhim kho kev ua haujlwm.
- Cov dej ntsev los yog lwm yam kev daws teeb meem: Qee lub pob dej khov yooj yim tsuas yog muaj cov dej ntsev xwb, uas muaj qhov chaw khov qis dua li cov dej ntshiab thiab tuaj yeem muab lub sijhawm txias dua thaum lub tub yees.
Thaum xaiv lub hnab ntim dej khov uas tsim nyog, koj yuav tsum xav txog seb nws cov khoom puas ua tau raws li koj cov kev xav tau tshwj xeeb, tshwj xeeb tshaj yog tias nws yuav tsum tau ntawv pov thawj kev nyab xeeb ntawm zaub mov, thiab seb lub hnab ntim dej khov puas xav tau kev tu ntau zaus lossis siv hauv ib puag ncig tshwj xeeb.
Post lub sij hawm: Jun-20-2024