Lunch box-a shelf life chu thil chi hrang hrang, hman tam dan, tihfai dan, dahna hmun, leh sealing performance te hian a nghawng a ni. A tlangpuiin plastic lunch box-ah hian shelf life kum 3-5 vel a awm a, stainless steel lunch box-ah chuan kum 10 chuang zet shelf life a awm a, glass lunch box-ah chuan shelf life chiang tak a awm lo a, mahse accessories tar tawhna tur ngaihven a ngai a ni.
1. Thil hman dan inang lo: 1.1.
Plastic lunch box hian shelf life tawi ber a nei a. A lum fo chuan bisphenol A ang chi thil tha lo tak tak a lo chhuak thei a, kum 3 danah thlak thin tur a ni Stainless steel lunch box-ah hian corrosion resistance chak tak a awm a, mahse long- hun tawp lama high-salt leh high-acid foods te hian an dam rei theihna an nei thei a; Glass lunch box-ah hian chemical stability sang tak a awm a, mahse silicone sealing rings hi a tar deuh deuh a, enfiah fo a ngai a ni. A thlak dawnin ei tur-Grade PP materials emaw stainless steel product 304 emaw a tha zawk.
2. A hman dan tur: 1.1.
Chawhmeh bawm hman thin chu nitin a chhe rang zawk. Plastic lunch box-ah hian 50% zetin bacteria an scratch hnuah an thang chak zawk a ni. Kum 2 danah high -frequency use hnuaiah thlak thin tur a ni; Kar khatah vawi 2-3 hman theih a ni a, standard period thlengin a huam thei. Ni khatah vawi khat aia tam microwave tihlum chuan plastic molecular structure tihchhiatna a tizual ang a, stainless steel lunch box-te chuan empty hal leh deformation an neih loh nan a mamawh bawk.
3. Thianghlimna hmanrua: 1.1.
Steel wool hmanga scrubbing hian plastic surface-ah micro crack a thlen ang. Sponge leh puan nem tak hman a tha. Passivation film a chhiat loh nan stainless steel lunch box-ah alkaline detergent chak tak tak ei loh tur a ni. High-Temperature dishwasher-a silfai hian silicone seal a tiharh a ti chak ang. Proper cleaning hian service life chu 30% in a ti rei thei a ni. A tihfai zawh chuan a dah hmain uluk taka tihthianghlim a ngai a ni.
4. Thil dahna hmun:
Long-Term direct sunlight chuan plastic chu a ti chhe ang a, ultraviolet radiation darkar 200 a awm hnuah pawh impact strength chu 40% in a tlahniam ang; Humid environment hi stainless steel weld-ah chuan rust a tam hle a; Temperature a inthlak nasa lutuk chuan glass lunch box a puak darh thei bawk. Hmun lum leh vawt takah dah a tha a, friction awm loh nan stacking laiin a laiah puan nem tak dah tur a ni.
5. Sealing test: 1.1.
Sealing tlahniam hi thlakna atana thil pawimawh tak a ni. Plastic lunch box-a buckle force chu a tawk lo a nih chuan tihtawp nghal a ngai a; Stainless steel lunch box-a silicone strip-a crack awm chuan thermal insulation performance 60%-in a tlahniam ang; Glass lunch box buckle deformation chuan leakage a thlen thei. Thla tin sealing test ti rawh: Tui 2/3 fill la, minute 10 chhung invert la, leakage a awm leh awm loh enfiah rawh.