Dawb Birch Ntoo

Qhov zoo thiab qhov tsis zoo

1. Cov rooj tog ua los ntawm cov ntoo birch yog ib qho yooj yim rau txheej txheem, resistant rau siv thiab ruaj

2. Txhua xyoo rings ntawm birch yog pom tseeb me ntsis, qhov kev ntxhib los mos yog ncaj thiab pom tseeb, cov qauv ntawm cov khoom yog muag heev thiab mos thiab du, thiab kev ntxhib los mos yog mos los yog nruab nrab. Cov tawv ntoo kuj hloov tau thiab zoo nkauj dua.

3. Dawb birch ntoo yog elastic, yooj yim rau tawg thiab warp thaum qhuav, thiab tsis hnav-resistant. Cov khoom ua haujlwm zoo, du nto, xim zoo thiab gluing zog.

4. Nws cov ntoo ruaj khov feem ntau yog siv los ua rooj tog, khoom siv ua liaj ua teb thiab khoom siv hauv tsev. Feem ntau cov tuam txhab nyiam siv birch ua cov khoom tseem ceeb ntawm lwm cov rooj tog zaum lossis cov khoom siv hauv cov khoom siv.

Ua tsis tau

1. Cov fiber ntau tsis zoo shear tsis kam thiab yooj yim rau "stubble". Dawb birch muaj ntau cov qauv ntawm nws cov hauv paus hniav thiab pob tw.

2. Nws tsis tiv taus corrosion, muaj hygroscopicity loj, tsis hnav-resistant, thiab yooj yim rau tawg thiab warp tom qab ziab.

3. Cov ntoo dawb birch yog succulent thiab deformed tom qab dhau los ua cov khoom siv, yog li nws tsis tshua pom cov ntxhuav thiab cov rooj zaum ua los ntawm cov ntoo dawb birch.

Cim npe nrov: dawb birch ntoo, Suav teb, neeg muab khoom, Hoobkas, lag luam, nqe