Maelezo
Vermiculite ni madini ya asili ya silicate ya isokaboni, yanayotolewa na kiasi fulani cha maji ya granite (kawaida huzalishwa wakati huo huo na asbestosi), yenye umbo la mica. Nchi kuu zinazozalisha vermiculite ni China, Russia, Afrika Kusini, Marekani, nk Vermiculite inaweza kugawanywa katika flakes vermiculite na kupanua vermiculite kulingana na hatua, na pia inaweza kugawanywa katika vermiculite dhahabu, vermiculite fedha, na Milky nyeupe. vermiculite kulingana na rangi. Baada ya ukokotoaji wa halijoto ya juu, kiasi cha vermiculite mbichi kinaweza kupanuka haraka kwa mara 6 hadi 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...
Nyimbo
SiO2(%) |
Al2O3(%) |
Juu(%) |
MgO(%) |
Fe2o3(%) |
S(%) |
C(%) |
40-50 |
20-30 |
0-2 |
1-5 |
5-15 |
<0.05 |
<0.5 |
Ukubwa
0.5-1mm, 1-3mm, 2-4mm, 3-6mm, 4-8mm,
20-40mesh, 40-60mesh, 60-80mesh, 200mesh, 325mesh, au kama ombi.
Maombi
Kifurushi
Bandari ya Utoaji
Bandari ya Xingang au Bandari ya Qingdao, Uchina.