Dab tsi ntawm corundum muab faib ua? Dab tsi yog qhov txawv ntawm dawb corundum, xim av corundum thiab dub corundum?

Dec 20, 2023

Muaj ntau ntau hom abrasives, corundum abrasives feem ntau siv, corundum muab faib ua ob peb hom, hnub no peb yuav nkag siab nws ua ke. Thaum nws los txog rau abrades, peb yuav xav txog dawb corundum, dub corundum thiab xim av corundum, peb hom corundum nyob rau hauv daim ntawv thov abrasive thiab refractory yog qhov tseem ceeb, vim hais tias txhua tus muaj cov yam ntxwv sib txawv thiab qhov zoo, yog li hauv kev siv yuav txawv heev, yog li qhov txawv ua ntej lawv yog dab tsi?
Dub corundum siv: Qhov txawv ntawm dawb corundum, dub corundum thiab xim av corundum

1. Cov xim sib txawv

Dawb corundum: dawb pob tshab

Xim av corundum: xim av dub, xim av liab, magenta

Dub corundum: dub thiab xim hlau

Dawb corundum siv

2, alumina cov ntsiab lus txawv

Dawb corundum: alumina cov ntsiab lus Ntau dua lossis sib npaug rau 99.2%

Brown corundum: 94% Tsawg dua lossis sib npaug rau cov ntsiab lus alumina Tsawg dua lossis sib npaug li 75%

Dub corundum: 45% Tsawg dua lossis sib npaug rau cov ntsiab lus alumina Tsawg dua lossis sib npaug li 75%

3, hardness yog txawv

Dawb corundum hardness Ntau dua los yog sib npaug rau Brown corundum hardness Ntau dua los yog sib npaug rau dub corundum hardness

Brown corundum siv