Alder yog ib hom ntoo thiab tsob ntoo ntawm tsev neeg Birch, sib sau txog 50 hom. Cuaj ntawm lawv loj hlob nyob rau hauv Russia.
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Kev faib tawm tiag tiag ntawm tsob ntoo hauv peb lub tebchaws yog thaj tsam ntawm Urals thiab Western Siberia, nrog rau North Caucasus.
Qhov tseem ceeb tshaj plaws rau kev lag luam hauv tebchaws yog Dub Alder (Alder nplaum, lossis European). Cov ntoo ncav cuag qhov siab txog peb caug meters, txoj kab uas hla ntawm lub cev tuaj yeem ncav cuag 60 cm. Cov tawv ntoo ntawm tsob ntoo yog xim av tsaus nrog cov kab nrib pleb. Ib tsob ntoo tshiab tshiab yog dawb. Nyob rau hauv lub zog ntawm huab cua, cov xim ntawm alder hloov mus rau ib tug tsaus ntuj nti (daj daj los yog daj-liab). Qhov kev ntxhib los mos ntawm ntoo muaj ib qho qauv zoo sib xws. Lub heartwood thiab sapwood tsis txawv ntawm cov xim. Nyob rau hauv thiaj li yuav nthuav cov qauv ntawm alder tshwm, nws yuav tsum tau kho nrog pob tshab kua roj vanish los yog stain. Tom qab ntawd, cov xim ntawm cov alder tau zoo dua, thiab muaj peev xwm ua raws li hom ntoo kim.
Raws li tus qauv thoob ntiaj teb DIN 4076, dub alder ntoo yog abbreviated "ER". Nyob rau hauv cov nqe lus ntawm lub zog, alder yog nyob rau hauv tsis muaj txoj kev inferior rau conifers, tab sis surpasses linden thiab aspen.
Alder ntoo yog cov tiv taus dej, ua rau nws siv dav hauv kev tsim kho hauv av thiab hauv qab dej. Piv txwv li, pawg tau tsim los ntawm alder, tuav lub hauv paus ntawm feem ntau cov qauv hauv Amsterdam qub. Alder ntoo kuj tau siv dav hauv kev lag luam hauv tebchaws.
Alder yog ib tsob ntoo uas tsis muaj kev xav tau. Nws yog nyob rau hauv kev thov nyob rau hauv lub chaw tsim khoom ntawm rooj tog, raws li nws muaj peev xwm coj tus qauv ntawm mahogany. Niaj hnub no, kev zam rau alder tau rov qab los, ntau lub tuam txhab tau pib ua cov rooj tog zaum ntawm nws.
Alder ntoo kuj siv rau lwm qhov chaw. Charcoal yog tsim los ntawm nws, cov tawv ntoo yog siv rau dyeing tawv thiab fur khoom. Cones yog dav nyob rau hauv pej xeem tshuaj. Alder ntoo yog zoo tagnrho rau carving. Nws yog cov txheej txheem zoo nkauj ntawm tes thiab ntawm tshuab dhos, yog li alder tau siv dav hauv kev tsim khoom ntawm ntau yam khoom siv hauv tsev: los ntawm mop tes rau daim duab thiab duab thav ntawv.
Alder kuj yog siv rau kev tsim cov tev lossis hlais veneer. Xim "alder" - ib qho ntawm cov nyiam tshaj plaws rau cov rooj tog hauv tsev. Polishing, varnishing xws li rooj tog yuav tsis ua teeb meem ntau, nws yooj yim rau tu nws.
Nws yuav tsum nco ntsoov tias thaum muaj kev sib cuag ntawm cov ntoo ntub thiab hlau, cov xim ntawm cov alder hloov: cov pob tsaus nti tshwm rau ntawm nws. Hlau yuav xeb. Tsis tas li ntawd, kev sib cuag nrog cov cement yog teeb meem rau alder: ntoo deteriorates thiab poobnws cov khoom. Txwv tsis pub, alder ntoo yog unpretentious heev nyob rau hauv kev saib xyuas thiab resistant rau sab nraud influences.
Vim nws txoj kev siv dav, ntau hom alder raug poob sai, yog li nws tau suav nrog hauv Phau Ntawv Liab ntawm Kazakhstan, Moldova, Omsk Cheeb Tsam thiab Daim Ntawv Teev Npe Liab ntawm Lub Koom Haum Ntiaj Teb Kev Tiv Thaiv Kev Nyab Xeeb - Cov tsiaj txhu muaj nyob hauv nws.
