2022 Hot Sale Low Price Agricultural Grade Expanded Perlite For Garden

Product Detail

Origin:Hebei chinaK2O content (%):2-3
Silica content (%):68-74port:Tianjin, Shanghai, Qingdao, Dalian and other ports
brand:special sourceSupply capacity:1000 metric tons per month
application:Horticulture, absorption, heat preservation, etc.model:TY-P-001
Loss on ignition:1Magnesium oxide content (%):0.3
CaO content (%):0.7-1payment terms:L/C, Western Union, T/T, MoneyGram, PayPal
Packaging Details:80L or 100L bag or according to your requirements;Package preview:
size:1-3mm, 2-4mm, 3-6mm, 4-8mm, 1-3/2-4/3-6/4-8mmtype:expanded, expanded perlite
Al2O3 content (%):10-12 daysFe2O3 content (%):0.5-3.6
Whether to expand:expandNa2O content (%):4-5
Product Description
describe:
Perlite is a siliceous volcanic glass produced by volcanic eruptions, named for its unique concentric cracks that resemble pearls. Perlite ores include perlite, obsidian, and pitchite. When perlite is heated to high temperature, it expands to become a new lightweight material. It has the characteristics of non-toxic, odorless, fireproof, heat insulation, sound absorption, low thermal conductivity, stable chemical properties, and wide applicable temperature range.
Function:
Perlite is a soilless growing medium that has helped increase the aeration of soil mixes for many years. It is made of gas-filled volcanic glass, an extremely light and porous material. Due to its porosity, it has one of the best oxygen retention levels of all growth media.
Its weight can be a disadvantage in certain hydroponic systems where the water interacts directly with the growing medium, causing it to move and be washed away. For this reason, perlite is seldom used alone - it is usually mixed with coir, soil or vermiculite;
Specification
Chemical Specifications:
element
silica
Aluminum oxide
Ferric oxide
Calcium Oxide
potassium oxide
sodium oxide
magnesium oxide
water
content%
68~74
10~12 o'clock
0.5~3.6
0.7~1.0
2~3 pieces
4~5
0.3
2.3~6.4
Raw perlite dimensions and physical data:
size
Moh's hardness
Density g/cm3
fusion point
Refractive index
Coefficient of expansion
8-200 mesh
5.5~7
2.2~2.4
1300~1380℃
1.483~1.506
4~25
Expand perlite dimensions and physical data:
size
Ph.D.
Density g/cm3
Thermal conductivity
Maximum operating temperature
1-8mm
6.5~7
0.040~0.08
0.0245~0.175W(mK)
800°C
physicsSpecification:
thing
Closed Cell Perlite
expanded perlite
Dimensions (mm)
0.1-1.5
1-8
Bulk density (kg/m3)
100-200
70-250
Thermal conductivity (w/mk)
0.035-0.047
0.047-0.054
Ball forming rate (%)
70-90%
0
Closure rate (%)
≥95
0
water absorption
50-85
360-480
Compressive strength
38-46
76-83
Refractoriness (%)
1280-1360
1250-1300
Working temperature (℃)
<800
<750
size:
raw perlite
20-30, 20-40, 30-50, 50-70, 70-90, 90-120 mesh
expanded perlite
1-3mm, 2-4mm, 3-6mm, 4-8mm, 150 mesh, 200 mesh, 325 mesh or according to your needs
application:
1.1-3/2-4/3-6mm are widely used in gardening, urban greening, improving soil porosity and air permeability, water resistance and fertilizer preservation.
2. Widely used in oxygen generators, refrigerators and heat insulation layers for transporting liquid oxygen and liquid hydrogen.
3. Used to filter wine, oil, medicine, food and sewage.
4. Used as filler and expansion agent in rubber, paint, plastic and other industries.
5. Used as a catalyst for explosives.
6. Used to absorb floating oil.
7. Mix with different adhesives to make templates of different sizes and functions.
8. It is widely used as insulating layer in industrial smelting.
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