Main Products: Air Filter ,oil filter ,fule filter ,auto spare part ,Perlite
Expanded Crude Vermiculite
USD $80 - $800 /Ton
Min.Order:1 Ton
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Tianjin Haohang International Trade Co., Ltd.
Business Type: Trading Company
Tianjin ChinaMain Products: Air Filter ,oil filter ,fule filter ,auto spare part ,PerliteProduct Details
Expanded vermiculite
1.size:
Horticulture Vermiculite:1-3mm 2-4mm
Seedbed covers vermiculite :1-3MM 0.75-1MM
Soil improvement :1-3 mm
Hydroponics:1-3mm 2-4mm 3-7mm 4-8mm
2.Usage in agriculture
1)vermiculite used in gardening
2)vermiculite used in soilless culture
3)vermiculite used in Hydroponics systems and greenhouses
4)vermiculite used in Seedbed covers
3.Chemicals
Composition | SiO2 | MgO | Al2O3 | Fe2O3 | CaO | K2O | ph |
Percentage | 37-42 | 11-23 | 9-17 | 3.5-18 | 1-2 | 5-8 | 7-11 |
4.Physical properties of vermiculite
Item | Specifications | Item | Specification |
Thermal Conductivity | 0.063 - 0.069w/m °C Under ambient conditions | Bulk density
| 110-200kgs/m3 |
PH | 7-11 | Compressive resistance | 100-150 Mpa |
Fusion point | 1320°C-1370°C | asbestos | None |
Moisture content: | 0.1%max | Antibioticity | Good |
Moisture hoding capacity | 220-325% by wt 20-50%by vol | Corrosion resistance | Alkali-resitant |
water-absorbable
| 500-650liter/m3
| Impurity | 5%max |
Combustibility | Non-combustible | Sintering temperature | 1150-1250 °C |
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