Nyob rau xyoo 1925, William Mason, tus kws tsim khoom thiab tus phooj ywg ntawm Thomas Edison, tau ua nws lub luag haujlwm los nrhiav kev siv nyiaj ntau ntawm cov ntoo seem thiab cov shavings uas ntoo mills. muab pov tseg.
Leej twg tsim MDF?
MDF raws li peb paub niaj hnub no tau tsim thawj zaug hauv Asmeskas xyoo 1960, tab sis cov khoom zoo sib xws, hardboard (compressed fiberboard), tau raug tsim los ntawm William Mason xyoo 1925 Nws tab tom nrhiav kev siv rau qhov ntau ntawm cov ntoo chips uas tau muab pov tseg los ntawm cov ntoo mills.
Thaum twg lawv pib siv MDF?
MDF tau tsim thawj zaug hauv Tebchaws Meskas thaum xyoo 1960, nrog kev tsim khoom pib hauv Deposti, New York.
Vim li cas MDF txwv hauv Tebchaws Meskas?
Hauv xyoo 1994, cov lus xaiv tau tshaj tawm hauv kev lag luam ntoo hauv tebchaws Askiv tias MDF tab tom yuav raug txwv hauv Tebchaws Meskas thiab Australia vim vim muaj formaldehyde emissions. Teb Chaws Asmeskas txo nws qhov kev txwv kev nyab xeeb rau 0.3 feem ntawm ib lab - xya npaug qis dua li qhov txwv British.
MDF yog dab tsi los ntawm keeb kwm?
Medium Density Fiberboard (MDF) yog ib daim ntawv engineered wood-based sheet cov khoom ua los ntawm kev sib txuas ua ke ntoo fibers nrog cov hluavtaws cob nplaum. MDF yog ntau yam heev thiab tuaj yeem ua tiav thiab ua tiav rau tus qauv siab.
