Ua tiav Birch Ntoo

Tiav birch ntoo muaj qhov ci ntsa iab thiab kev ntxhib los mos. Daj-dawb nrog me ntsis xim av, pom tseeb txhua xyoo rings, ntshiab thiab zoo ntoo, me ntsis hnyav thiab tawv, thiab zoo qauv. Birch txhua xyoo rings 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. Nws muaj lub zog txhua yam, yog elastic, muaj hygroscopicity siab, nws nquag tawg thiab warping thaum qhuav, thiab tsis hnav-resistant. Nws muaj kev ua haujlwm zoo, du nto, thiab xim zoo thiab gluing kev ua haujlwm. Nws tsis yog ruaj heev nyob rau hauv ib puag ncig nws yuav lwj, thiab yog siv ntau nyob rau hauv daim ntawv ntawm plywood.

Kev kho kom zoo nkauj birch ntoo:

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

2. Birch txhua xyoo rings yog pom tseeb me ntsis, kev ntxhib los mos yog ncaj thiab pom tseeb, cov khoom siv yog muag muag thiab muag muag, thiab kev ntxhib los mos yog mos lossis nruab nrab. Cov tawv ntoo kuj hloov tau yooj yim thiab zoo nkauj.

3. Birch yog elastic, nquag tawg thiab warping thaum qhuav, thiab tsis hnav-resistant. Nws muaj kev ua haujlwm zoo, du nto, thiab xim zoo thiab gluing kev ua haujlwm.

Cim npe nrov: Suav teb birch ntoo lwm tus neeg, hoobkas