Cork: musamman Flora

Tree - wannan shi ne daya daga cikin wadanda kayan gini da cewa an san ga mutãne, tun lokacin da. Kundin na amfani suna girma a kowace shekara, amma saboda da yawa jinsunan zuwa gãɓar rãmi nau'i nau'i.

A karshen ya shafi toshe kwalaba cewa an yi amfani da mutumin na shekaru dubbai.

Yana nufin da haihuwa itatuwan oak. Ba kamar zumunta cewa game da shekaru biyar na da rassan akwati aka rufe da wani lokacin farin ciki ɓawon burodi da musamman Properties. Amma ba za ka iya kawai dauke shi a kashe zuwa 20 shekaru. Ka lura da cewa za ka iya yin wannan har zuwa shekaru (na itace, ba shakka) na shekaru 200.

Bayan na farko girbi na bukatar a kalla 8-9 shekaru, a lokacin da akwai bawo dawo. The itacen yana da shekaru 170-200 shekaru, ba kamar 200 kg na high quality-raw kayan.

A peculiarity wannan itacen oak ne ma cewa shi nasa ne da Evergreen jinsunan. A ganye kama da wadanda na Rasha itatuwan oak, amma kasan rufe da wani gagarumin Layer na fluff. Cork kanta ne quite manyan: tsawo iya isa 20 mita da kuma wani akwati diamita - mita.

Latin sunan - Quercus suber. Ya ke tsiro a tsawon ba fi mita 500 saman teku matakin. Mai itatuwan oak na wannan jinsin aka samu a Portugal, yin ta kasar kasafin kudin samun mai yawa na tsabar kudi jiko samu daga toshe kwalaba fitarwa, a shekara qara da darajar.

Man na haihuwa san cewa toshe kwalaba ba shi mai matukar muhimmanci da kayayyaki ba, amma domin shi ya dade da aka horar da al'adar. Ka lura da cewa akwai wani ƙarya wakilin wannan irin, Q. crenata, wanda aka rarraba shi ko'ina a kudancin Turai. Cork shi ne don haka kananan cewa itace diluted kawai don ado dalilai.

Kawai a Portugal oak Quercus suber plantations yin amfani da fiye da 2 kadada miliyan! Bugu da kari, kamar wannan adadin yankin amfani da wannan manufa a dukkan Kudancin Turai.

A lokacin shekara, duk plantations samar da fiye da 350 dubu ton na da haushi, amma wannan adadin ya daina isa ya sadu da bukatar. Wannan shi ne dalilin da ya sa wani daji toshe kwalaba aka kusan gaba daya hallaka.

Af, abin da yake da bambancinsa na toshe kwalaba a matsayin abu? Da cewa shi ne mai halitta polymer, wanda tsarin kama da saƙar zuma a wani gidan kudan zuma.

Kowane cubic santimita daga cikin kayan iya ƙunsar har zuwa miliyan 40, irin Kwayoyin wanda bambanta a tsakãninsu ta wajen partitions daga cellulosic bangaren.

Kawai sa, kowane kwantena da aka cika da iska, sabõda haka, ko da wani karamin toshe kwalaba ne sosai na roba. Wannan dukiyar ba abu mai cikakken ruwa juriya da kuma ikon mayar da asali jiha ko da bayan karfi matsa lamba.

Wannan shi ne dalilin da ya sa toshe kwalaba itacen (wanda photo ne a cikin labarin) ta samu irin wannan tartsatsi ra'ayi tsakanin furniture masana'antun.

Bugu da ƙari kuma, a cikin haushi suberin shi ya hada da (a cakuda m acid, waxes da alcohols). Shi ne na musamman a cewa da shi ya ba itace ingancin tsaurin kuma antifouling. Akwai lokuta idan gandun daji gobara toshe kwalaba itatuwan oak zauna gaba daya m, fãce ga seared ɓawon burodi da kuma bushe a cikin zãfi na ganye.

Saboda haka, abin toshe kwalaba - wannan shi ne na musamman kayan da aka kãwo wa mutum da yanayi.