Nkọwa
Vermiculite bụ mineral silicate inorganic sitere n'okike, nke hydration nke granite na-emepụta (nke a na-emepụta n'otu oge na asbestos), nke dị ka mica. Ndị isi na-emepụta mba nke vermiculite bụ China, Russia, South Africa, United States, wdg Vermiculite nwere ike kewaa n'ime vermiculite flakes na gbasaa vermiculite dị ka ogbo, na nwekwara ike kewara n'ime ọlaedo vermiculite, ọlaọcha vermiculite, na milky ọcha. vermiculite dị ka agba. Mgbe a gbasasịrị oke okpomọkụ, olu vermiculite raw nwere ike gbasaa ngwa ngwa site na ugboro 6 ruo 20.
The expanded vermiculite has a layered structure and a specific gravity of 60-180kg/m3. It has strong insulation and good electrical insulation properties, with a maximum usage temperature of 1100°C. Expanded vermiculite is widely used in industries such as insulation materials, fire-resistant materials, seedling cultivation, flower planting, tree planting, friction materials, sealing materials, electrical insulation materials, coatings, plates, paints, rubber, refractory materials, hard water softeners, smelting, construction, shipbuilding, chemistry, etc...
Ihe mejupụtara
SiO2(%) |
Al2O3(%) |
Elu(%) |
MgO(%) |
Fe2o3(%) |
S(%) |
C(%) |
40-50 |
20-30 |
0-2 |
1-5 |
5-15 |
<0.05 |
<0.5 |
Nha
0.5-1mm, 1-3mm, 2-4mm, 3-6mm, 4-8mm,
20-40mesh, 40-60mesh, 60-80mesh, 200mesh, 325mesh, ma ọ bụ dị ka arịrịọ.
Ngwa
ngwugwu
Ọdụ ụgbọ mmiri
Port Xingang ma ọ bụ Qingdao Port, China.