In recent years, due to the many advantages of dry ice cleaning, the wide cleaning field, and the good refrigeration and preservation effect, dry ice machines are very popular among market users. So do you know how to judge the quality of dry ice for sale? The staff of Shuliy machinery will tell you today how to judge the quality of dry ice.
Watch the color of dry ice
Kwanza angalia rangi na kuonekana kwa barafu kavu. Rangi ya barafu kavu ya hali ya juu ni nyeupe tupu, uso unang'aa, saizi ya chembe ya barafu ni sare, nzima ni mnene na laini, na barafu kavu ya ubora duni ina nyufa. Wakati wa kuzalisha barafu kavu yenye umbo la kuzuia, ikiwa wafanyakazi hawajatengenezwa vizuri au hawana ujuzi, na hawaelewi vipimo wakati wa kukata, uso wa vipande vya barafu kavu utaonekana kuwa mbaya, na unene mbaya na mchanganyiko.
Smell the dry ice
harufu ya barafu kavu kwa ajili ya kuuza. Kuchukua kiasi kidogo cha barafu kavu, piga hewa ya moto kwenye barafu kavu, na mara moja uulize kile kinachopenda. Barafu kavu ya kiwango cha chakula haina harufu ya kipekee, na hata baada ya muda mrefu, hakutakuwa na harufu ya siki. Bidhaa zilizo na harufu isiyo ya kawaida ni bidhaa za chini na za chini, na zina harufu mbaya sana. Ikiwa utawatoa ili kufanya athari ya moshi wa hatua, baada ya kunyunyizia dawa, pia kutakuwa na harufu mbaya sana kwenye hatua, ambayo itaathiri athari ya hatua na inaweza hata kusababisha sumu ya wafanyakazi. jambo hilo, kwa hiyo usitumie barafu kavu ya chini, kwa sababu ikiwa kuna tatizo, matokeo ni mbaya sana.
Touch the dry ice for sale
Touch the dry ice, fell its appearance. It should be noted that dry ice cannot be directly touched by hand. As long as it is dry ice, it is all ice, and even the worst dry ice temperature is very cold. The correct way is to wear gloves to take it. High-quality dry ice has a smooth surface and high density. It is very heavy in the hand, not easy to sublime, and has little loss. Bad dry ice is light and not durable, even if store in a dry ice preservation box, it will be worse soon.