在線聊天
1.Description:
Vermiculite?is?a?layer-structured?metamorphic?rock?of?gibbsite?silicate.It?has?been?used?in?various?industries?for?over?80?years.?The?name?'Vermiculite' is?derived?from?the?Latin ?'vermiculare'meaning?worm-like.
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2.Chemical?properties:
Chemical?quota:?Mg?x?(H2O)(Mg3-x)(ALSiO3O10)(OH2)
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Molecular | SiO2 | MgO | AI2O3 | Fe2O3 | FeO | K2O | H2O | CaO | PH | Loss?in?burning?800°C/Hour |
Content | 37-42% | 11-23% | 9-17% | 3.5-18% | 1-3% | 5-8% | 7-18% | 1-2% | 7-8 | 4.5-7.5% |
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3.?Physical?properties?of?Vermiculite:
Vermiculite?sheet?Density | Expanded?vermiculite?Porosity | Hard-ness | Melting | Compressive | Index?of | Moisture | Moisture | Anti | Antibio-ticity | Corrosion |
Kg/m3 | Kg/m3 | ? | °C | Mpa | Ng=1.525-1.561 | % | % | ? | ? | ? |
1100-1200 | 110-280 | 1-1.5 | 1320-1370 | 100-150 | Ng=1.545-1.581 | 7 | good | good | Alkali- |
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4.Norms?of?raw?vermiculite (Implementation?standards?JC/T810-1996)
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Categories | No.1 | No.2 | No.3 | No.4 | No.5 | No.5 |
Size?mm | 8-16 | 4-8 | 2-4 | 1-2 | 0.5-1 |
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Sand contend?% | ? | ≤10 | ≤12 | ≤15 | ≤15-20 | ? |
Expansion coefficient | ? | 8?times | ≥7-8 times | >7?times | 6.5-7?times | ? |
5.?Main?Use?and?Functions:
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Agriculture | Horticulture | Construction | Industry |
Animal?feed | Blocking?mixes | Sound?Absorption?Loose?Filling | Thermal?Insulation.Refracory |
Anti-caking?material | Hydroponics | Air?setting?binder | Sound?Absorption?Loose?Filling |
Bulking?agent | Micro-propagation | Construction?Coating | Gaskets?or?Seals |
Fertilizer?carrier | Rooting?cuttings | Fireproofing?Board | Friction?Linings |
Seed?encapsulated | Seed?germination | Gypsum?plaster | Packing?Materials |
Soil?conditioner | Sowing?composts | Loft?insulation | Drilling?mud |
Pesticide?carrier | Potting?mixes | Vermiculite?Screeds | Filtration |
Incubation?animal | ? | Lightweight?Concretes | Brake?pads?&?brake?shoes |
? | ? | ? | Fixation?of?hazardous?material |
? | ? | ? | Paints |
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6.Business?terms:
A.?Delivery?time:?according?to?the?quantity?of?the?order,?
normally?15?-25?days?after?we?got?your?down?payment?or?notice?of?L/C
B.?Payment?terms:?T/T?or?L/C?
C: Sample: Sample under 500g is free with freight collected.
D. Shipping: We accept the pointed forwarder or book with our forwarder for customer
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