Ua lag ua luamCov kev pab cuam

Ib tug lub hnab yas nyob rau hauv peb lub neej

Lub ntim khoom tau yeej ib txwm tau ib qho tseem ceeb ib feem ntawm lub ntau lawm txheej txheem ntawm tej self-saib lub tuam txhab. Tus invention ntawm lub xyoo pua - yas cov ntaub ntawv - zoo heev thawm cov hauj lwm ntawm manufacturers thiab cov tswv lag luam.

Lightness, durability, ya raws kuj, kuj tsis tshua muaj nqi - ib tug tseem ceeb heev ntsuas ntawm lub ntim khoom. Ib tug lub hnab yas kom sai sai thiab khov kho entrenched nyob rau hauv peb lub neej uas peb xav tias peb yuav tsis muaj lawm ua tsis tau nws.

prehistory

Thawj cov hnab ua nyob rau hauv 1957 nyob rau hauv lub tebchaws United States. Lawv siv nws los pob qhaub cij. Kaum xyoo tom qab ntawd, twb 30% ntawm cov US bakery khoom ntim rau hauv xws pob. Ces, thiab Western teb chaws Europe tau fascinated los ntawm no pob, nrog cov uas nyob rau hauv 1973 zus tau tej cov pob mus txog 11.5 lab units. Nyob rau hauv 2002, thaum lub ntiaj teb no twb engulfed boom polyethylene ntim, tag nrho cov ntiaj teb no ntim ntawm cov khoom no yog 4-5 trillion ib xyoo. Cov thawj coj ntawm manufacturing lub finest packing tej pob khoom (4.5-5 m) - Tuam Tshoj, Russia, South-East Asia. Lub nyias lub hnab yas yog ua los ntawm ib tug tuab polyethylene (tsis tshua muaj siab) HD (yog li ntawd-hu ua "rustling"). Yog tej zaum siv kev kub siab polyethylene, tab sis tsis tshua muaj ceev (LD, LLD), ces packets tshwm du. Cuaj kaum, xws li ib tug nyias ntim hnab muaj siab muaj zog.

Sib txawv, thiab yog li ntawd nthuav

Lub hnab yas pom tau qhov sib yeej ib txwm attracts cov xim ntawm tsis tsuas yog cov me nyuam tab sis kuj cov neeg laus. Qhov no muaj txhawb rau txoj kev kaj lug appliques rau tag nrho cov xaiv ntawm cov ntsiab lus. Plaub-duab thov mus rau pob, siv cov qauv ntawm cov flexographic printing, yuav pab raws li ib tug kuj zoo txhais tau tias ntawm nws tus kheej-qib. Ua ntau hom ntawm cov khoom nyob rau hauv lawv lo lus uas peb: Packing hnab (ntshiab); Hnab-shirt; hnab nrog ib tug kov voj, prorubnoy; khib nyiab hnab (nrog dyes) ntawm lub hom "t-shirts", los yog txwv straps; cov khoom muaj npe hnab (a trademark). Cia peb nyob rau hauv lub pob ntawm lub hom "T-shirt". Qhov no hom ntawm cov khoom tau tau ib tug lub npe menyuam yaus rau cov raug txiav leeg. Qhuav ntawm tej pob khoom "Mike" yog sau hnub tim 1982 xyoo. Lawv tau ua tom qab tshaj lwm yam khoom nyob rau hauv pawg no, tab sis nonetheless nrees nyob rau hauv lub txoj hauj lwm ntawm cov thawj coj, tshwj xeeb tshaj yog nyob rau hauv lub network ntawm coj mus muag qhauj. Ib tug txawv no kuj pnd- thiab LDPE tej pob khoom. Qhuav ntawm HDPE packets raws li nyob rau hauv lub polyethylene granules ntawm kev kub siab, ntsig txog, IPA - tsis tshua muaj siab. LDPE tej pob khoom - qhov no yog lub ntim khoom, uas peb siv nyob rau hauv lub neej txhua hnub (rau me me thiab medium-sau). Thiab IPA-packets yog yus nyob rau hauv uas siv rau ntim loj (20-30 kg) thiab tej zaum yuav sib txawv thiab tsis tau resistant rau ntev li txhawj xeeb thiab kev phiv tej influences. Yog li ntawd, tsis muaj-density polyethylene yog siv rau qhov siv thiab ua siab kav thiab fittings, cable sheathing.

txaus ntshai

Peb yuav tsis hnov qab txog tej teeb meem tshwm sim los ntawm lub hnab yas ecology. Raws li ib tug tshwm sim ntawm careless siv cov yas khoom ntiaj teb, figuratively hais lus, yog yuav luag packed nws, thiab tag nrho cov nyob ntiaj teb no rau hauv lub ntiaj pom tau tias qhov tsis zoo txim ntawm no (nyob rau hauv particular, marine lub neej nqa yas rau zaub mov). Peb yuav tsum tsis txhob hnov qab tias txhua kilogram pob absorbs nyob rau hauv lub tsim txoj kev 1.2 kg ntawm ib tug zoo zoo nkauj tshooj pab - lub crude roj. Tsim kom nco ntsoov tias lub yas thiaj yuav reused: los ntawm pov tseg hnab yas no yog ua los rau seem ntawm ntseej, ntseej, chaw ua si tej thiab tshaj. Nws yuav hlawv thiab ua kom muaj hluav taws xob. Peb yuav tsum nco ntsoov hais tias tus polyethylene yuav ua tau txawv - thiab txawm tsawg lom soluble.

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