High Grade Exfoliated Vermiculite By Lingshou County Huayuan Mica Co., Ltd.

We have attained a notable position in the market by exporting a huge range of High Grade Exfoliated Vermiculite in Shijiazhuang, Hebei, China. Vermiculite is a kind of natural, non-toxic, inorganic silicate mineral, whose raw ore looks like mica. Vermiculite is formed by the hydrothermal alteration or weathering of minerals, usually biotite and phlogopite. When heated, it expands like leech. Vermiculite are divided into raw vermiculite and expanded vermiculite by stages, and according to the color, it can be divided into golden vermiculite, silvery white vermiculite, milky white vermiculite.
Exfoliated Vermiculite
Vermiculite, with layer construction and interlaminar water. It begins expend when it is heated over 200, becoming the worm-like shape and it can be 15-25times bigger than the original volume, maximum 30 time. when it is rapidly heated to 800. This forms the material with low density (100-300kg/mA ), excellent insulation property and good hydroscopicity and ion exchange capacity.
Specification:
Golden Exfoliated Vermiculite Silver Exfoliated Vermiculite
0.3-1mm 0.3-1mm
1-3mm 1-3mm
2-4mm 2-4mm
4-8mm 4-8mm
Application
In construction 1. Fireproof board
2. Lightweight concrete
3. Loose fill insulation
4. Construction coating
5. Vermiculite plaster
6. Bitumen coated vermiculite plate
In agriculture 1. Soil improvement
2. Fertilizer carrier
3. Horticulture
4. Hydroponics