Disgrifiad
Mae Vermiculite yn fwyn silicad anorganig naturiol, a gynhyrchir gan rywfaint o hydradiad gwenithfaen (a gynhyrchir fel arfer ar yr un pryd ag asbestos), siâp fel mica. Y prif wledydd cynhyrchu vermiculite yw Tsieina, Rwsia, De Affrica, yr Unol Daleithiau, ac ati Gellir rhannu Vermiculite yn naddion vermiculite a vermiculite ehangu yn ôl y cam, a gellir ei rannu hefyd yn vermiculite euraidd, vermiculite arian, a gwyn llaethog vermiculite yn ôl y lliw. Ar ôl calchynnu tymheredd uchel, gall cyfaint y vermiculite amrwd ehangu'n gyflym 6 i 20 gwaith.
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...
Cyfansoddiadau
SiO2(%) |
Al2O3(%) |
Uchel(%) |
MgO(%) |
Fe2o3(%) |
S(%) |
C(%) |
40-50 |
20-30 |
0-2 |
1-5 |
5-15 |
<0.05 |
<0.5 |
Maint
0.5-1mm, 1-3mm, 2-4mm, 3-6mm, 4-8mm,
20-40mesh, 40-60mesh, 60-80mesh, 200mesh, 325mesh, neu fel cais.
Ceisiadau
Pecyn
Porth Cludo
Xingang Port neu Qingdao Port, Tsieina.