Hebei, China
Business Type:
Number of Employees:
Year of Establishment:
Management System Certification:
ISO 9000
Average Lead Time:
Peak season lead time: within 15 workdays
Off season lead time: within 15 workdays
OEM/ODM Service
Sample Available

Horticulture, Soil Improvement, Abrasive manufacturer / supplier in China, offering Export Quality Horticulture Golden and Silvery Expaned Vermiculite, Professional Factory Manufacturing Natural Colour Sand Color Stone for Texture Paint True Stone Paint, Professional Factory Manufacturing Natural Color Sand Color Stone for Building Material Decoration Coating Painting and so on.

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Supplier Homepage Products Vermiculite Vermiculite Export Quality Horticulture Golden and Silvery Expaned Vermiculite

Export Quality Horticulture Golden and Silvery Expaned Vermiculite

Min. Order / Reference FOB Price
350 Bags US $5.6-8.5/ Bag
Port: Tianjin, China
Production Capacity: 3000bags/Week
Payment Terms: L/C, T/T, D/P
Condition: New
Certification: UL, ISO9001
Application: Vegetables, Flowers, Fruit, Friction
State: Granular
Validity: Long-term
Physics State: Solid

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Basic Info.

Model NO.
Infection On Soil
Physiological Acid
Chemical Character
Chemical Acid
Raw Material
Non-Metallic Ores
Transport Package
PE and PP, Ton Bag
1-3mm, 2-5mm, 3-6mm, 4-8mm
HS Code
Export Quality Horticulture Golden and Silvery Expaned Vermiculite
Export Quality Horticulture Golden and Silvery Expaned Vermiculite

With the process of removing sand and impurity, crashing, filtrating, vermiculites become exfoliated, they can be divided into different sizes: 0-1mm, 1-2mm, 2-4mm, 1-3.5mm, 3-5mm, 4-6mm and so on, we can produce many sizes as clients required. There are two kinds of vermiculite in our country golden vermiculite and silvery vermiculite, they have different chemical components.
Golden vermiculite 
Chemical components
Chemical CompositionSiO2Al2O3MgOCaOPHFe2O3impurity
contents (%)4118210.87-103.5< 3
Silvery vermiculite
Chemical components
Chemical CompositionSiO2AL2O3 AL2O3MgO MgCaOFeOFe2O3TiO2
contents (%)41.212.6824.220.961.544.061.33
Chemical CompositionK2OP2O5H2ONa2O Na2OMnO MnOimpurityL.O.I
(%)contents(%)5.970.0631.60.043< 56.71
Expanded vermiculite
Exfoliated vermiculite in the process of high temperature roasting, they can expand many times, and the average density of the expanded vermiculite is about 100-130kg/m3, they have small air separation layer, so they are good construction materials of heat preservation, thermal insulation sound absorption, and corrosion proof, and also industry loading material, coating, anti-fire materials. Expanded vermiculite can extensively used in many industries such as construction, metallurgy, chemical industry, light industry, machinery, electric power, petroleum, environment protection communication, transportation and horticulture.
Main applications:
1.construction materials: light materials such as light concrete materials, light calcimine and light mortar.
2. heat resisting material: wall materials, anti-fire board, anti-fire mortar, firebrick, and brake linings.
3. heat preservation, thermal insulation and sound absorption materials: underground pipeline, heat preservation material used in hothouse pipeline, decoration material used in  upholstery and tunnel, also wall and ceiling in the public.
4.metallurgy: steel frame cladding materials, removal of slag when manufacture of iron and foundry
5. agriculture, forestry and horticulture: golf course lawn, seed preservation agent, soil regulation agent, wetting agent, plant growth agent, feed additives, horticulture mixture, fishing and bait.
6 other aspects: adsorptive material, filter aid, active carrier of chemical and chemical fertilizer, sewage treatment, adsorption of seawater oil pollution, cigarettes filter and explosive density regulators.
Applications and technology indicators of different sizes:
Main specifications and technology indicators of vermiculite:
sizebulk specific gravity(Kg/ m2) water absorption(%) thermal conductivity (k·m2·h·ºC) impurity(%)
4-8mm 70-110 480 0.045 3
2-4mm 80-120 465 0.045 3
1-2mm 80-150 420 0.045 3
20-40mesh 100-180 410 0.045-0.055 2
40-60mesh 100-180 400 0.045-0.055 2
60-100mesh 100-180 400 0.045-0.055 2

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