Typical chemical analysis:
|
element
|
Percent by weight (%)
|
|
SiO2
|
37-42
|
|
Al2O3
|
9-17
|
|
MgO
|
11-23
|
|
CaO
|
1-2
|
|
K2O
|
5-8
|
|
Fe2O3
|
3.5-18
|
|
H2O
|
7-18
|
Typical chemical formula:
(Mg, Ca, K, Fe11)3(Si, Al, Fe111)4O10(OH)2O4H2O
Typical physical properties:
|
Density
|
220-270kg/m3
|
|
Porosity
|
1100-1200kg/m3
|
|
Hardness
|
1-1.5
|
|
Melting point
|
1320-1370
|
|
Compressive ressitance
|
100-150mpa
|
|
Index of refraction
|
Ng=1.525-1.561 Ng=1.545-1.581
|
|
Moisture content
|
7%
|
|
Moisture absorbency
|
<2%
|
Applications:
|
construction
|
1. fireproof board
|
|
|
2. loose fill insulation
|
|
|
3. construction coating
|
|
|
4. lightweight concrete
|
|
|
5. vermiculite plaster
|
|
industry
|
1. thermal insulation, refractory
|
|
|
2. sound absorption loose filling
|
|
|
3. friction linings
|
|
|
4 gaskets or seals
|
|
|
5. packing materials
|
|
agriculture
|
1. horticulture
|
|
|
2. soil improvement
|
|
|
3. fertilizer carrier
|
|
|
4. hydroponics
|
|
|
5. animal feedstuffs
|
※ Samples are available.
※ Products are to be produced as per samples confirmed. Quality checking is done in the factory by our QC team and clients/or a third party named by clients.
※ Price is negotiable based on specification, quantity, delivering time etc…
Place of Origin: Hebei, China
Brand name: K.D.H.
Application: Construction, Industry, Agriculture
Type: non-metallic mineral vermiculite
Size: 0.3-1mm 1-2mm 2-4mm 3-6mm 4-8mm
20-40mesh 40-60mesh 60-80mesh 200mesh 325mesh
Color: golden/silver
Quality: Raw(Crude)/ Expanded(Exfoliated) Vermiculite blocks/flakes/.powder with non-asbestos
General composition: SiO2, Al2O3, MgO, CaO, K2O, Fe2O3, H2O
Expansion ratio: Golden 5.5-8times, Silver 7-10time
Identification: ISO9001:2000
MOQ: 25MT(1container)
Packaging: 1MT/bag 1.2MTS/bag, and packing can be customized
Port: XINGANG, CHINA (Tianjin)
Delivery time: 15days after confirmation of order
Payment: T/T L/C
Supply ability: 500T/MTS per month more