1.construction vermiculite
2.Size:0.3-11-2,2-4mm
3.Raw and expanded vermiculite
4.Expansion ratios:7-11times
1.Description:
| Name | Vermiculite |
| Color | Gold or silver |
| Size | 0-30um0.3-0.6mm0.65-1mm0.3-1mm0.5-1.5mm0.5-1.2mm 1.2-3.5mm1.5-2.5mm1-2mm2-4mm3-6mm3.5-7mm,4-8mm,etc |
| Features | poisonless, odorless , corrosion-resistant, Non-combustible , natural refractory properties , Good thermal insulation , low density ,etc |
2.Chemical properties:
Chemical quota: Mg x (H2O)(Mg3-x)(ALSiO3O10)(OH2)
| Molecular formula | 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% |
3. Physical properties of expandedVermiculite:
| Vermiculite sheet Density | Expanded vermiculite Porosity | Hard-ness | Melting point | Compressive resistance | Index of refraction | Moisture content | Moisture absorbency | Anti congelation | Antibio-ticity | Corrosion resistance |
| 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 | < 2 | good | good | Alkali- resitant |
a.Reletive humidity 100% 24H.
b. Frozen and melted for 15 minutes in 20 under zero, its size won't change
4.Norms of raw vermiculite (Implementation standards JC/T810-1996)
| 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 | < 0.5 |
| 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:
| 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 |
♦ Why choose Leijie?
Cost-effective, fast development efficiency, professional operation with integrity.
Product quality assurance, delivery guarantee, good after-sales service.
♦ When can I get the quotation?
We usually quote within 24 hours after we get your inquiry. If you are very urgent to get the price, please call us or tell me by email so that we will reply to you in time.
♦ How can I get samples to check the quality?
After price confirmation, you can require samples to check the quality of our product. We could send you samples for free while you bear the freight cost.
♦ Can you do the special packing for us?
Yes, we could pack our product according to the requirement of our customers.
♦ How long is your delivery time?
We usually deliver the goods within 10 days after the payment.