China Make Gold/Silver Expanded Vermiculite

• Refractoriness (℃): 1770< Refractoriness< 2000
• Feature: Long Time Materials, Hydroponics/Agriculture Expanded Vermiculite
• Type: Expanded Vermiculite
• Shape: Block
• Material: Vermiculite
• Name: Expanded Vermiculite
• Model NO.: Expanded Vermiculite
• Size: Expanded Vermiculite 3-6mm
• Usage: Agriculture Expanded Vermiculitea
• Application: Horticulture Expanded Vermiculite
• Purpose: Construction Expanded Vermiculite
• Use: Fireproofing Expanded Vermiculite
• Behoof: Industrial Expanded Vermiculite
• Color: Silver Expanded Vermiculite
• Price: Low Price Expanded Vermiculite
• Advantage: Expanded Vermiculite Cheap Price
• Form: Expanded Vermiculite
• Usage1: Expanded Vermiculite for Brake Pads
• Purpose1: Expanded Vermiculite for Drilling Muds
• Use1: Expanded Vermiculite for Insulation
• Color1: Golden Expanded Vermiculite
• Transport Package: 100L/Bag Expanded Vermiculite
• Specification: EXPANDED VERMICULITE 3-6MM
• Trademark: CS-EXPANDED VERMICULITE
• Origin: China
• HS Code: 6806200000
• Production Capacity: 5000 Tons/Months

Product Description

china make gold/silver expanded vermiculite 

Vermiculite is a member of the phyllosilicate group of minerals, resembling mica in appearance.  It is found  in various parts of the world, vermiculite is basically a hydrated phlogopite mica which has the remarkable ability to expand to many times its original volume when heated at 850 -1100°C.

Crude vermiculite consists of golden and silver vermiculite which are carefully classified into many sizes ,includes0.3-1mm1.5-2.5mm0.5-1.41mm1-2mm2-4mm3-6mm4-8mm.

Exfoliated Vermiculite

The exfoliation process is carried out commercially by passing crude vermiculite through a furnace chamber in a controlled manner. The crude vermiculite then expands at right angles to the cleavage planes, producing concertina-shaped particles many times their original volume.Exfoliated vermiculite size ,includes 0.3-1mm1-3mm1-2mm2-4mm2-3mm

3-5mm3-6mm4-8mm6-8mm,special size can be done as per customer's demands .

Expanded vermiculite Chemical Properties

Composition	SiO2	MgO	Al2O3	Fe2O3	CaO	K2O	ph
Percentage	37-42%	11-23%	9-17%	3.5-18%	1-2%	5-8%	7-11

Expanded vermiculite TYPICAL PHYSICAL PROPERTIES
 

TYPICAL PHYSICAL PROPERTIES
Free Moisture, Maximum	0.5%
pH (of water slurry)	7.0-9.5
Specific Gravity	2.5
Expanded Bulk Density (normal)	4-10 lb/ft3
Mesh Sizes (normal)	2-4mm
Fusion Point	2200-2400F
Specific Heat	1.08 kJ/kg.K
Thermal Conductivity	.27-.41 BTU.in/h.ft2.F

EXPANDED VERMICULITE PICTURE