01 40 Mesh Microspheres Perlite Rau Cov Hluav Taws Xob Hluav Taws Xob
Perlite yog amorphous volcanic iav uas muaj cov ntsiab lus dej siab, feem ntau tsim los ntawm hydration ntawm obsidian. Nws tshwm sim ib txwm muaj thiab muaj qhov txawv txav ntawm qhov nthuav dav heev thaum rhuab txaus. Perlite softens thaum nws ...