2020 Good Quality Coatings - Vermiculite – Xinfa

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2020 Good Quality Coatings - Vermiculite – Xinfa Detail:

Crude vermiculite specifications: 0.15-0.5mm, 0.5-1mm, 1-3mm, 2-4mm, 3-6mm,4-8mm , 8-16mm.

Physical and Chemical Properties of Vermiculite

Because of different degrees of hydration and oxidation, chemical compositions of vermiculite are not the same. The chemical formula of vermiculite is: Mg x (H2O)(Mg3—x)(ALSiO3O10)(OH2)

Chemical

composition

SiO2

MgO

AI2O3

Fe2O3

FeO

K2O

H2O

CaO

PH

Content (%)

37-42

11-23

9-17

3.5-18

1-3

5-8

7-18

1-2

8-11

Application of Vermiculite

In agriculture, vermiculite can be used as soil conditioner, due to its cation exchange and absorption, improve soil structure, water storage and soil moisture, develop the soil permeability and water content, make acidic soil change into neutral soil; vermiculite can also play a buffer role, hinering the rapid changes of PH value, make the fertilizer release slowly in crop growth medium, and allow to slightly excessive use in fertilizer for plant but is non-harmful. Vermiculite can also be provided to the crop itself contains K, Mg, Ca, Fe, and trace amounts elements of Cu, Zu. As absorption, cation exchange and chemical composition characteristics of vermiculite, so it plays a fertilizer maintenance, water retention, water storage, permeability and mineral fertilizers, and other multiple roles. The tests showed: put 0.5-1% expanded vermiculite mixed into fertilize, enable crop yields by 15-20%.

In gardening, vermiculite can be used for flowers, vegetables, fruit cultivation, breeding and other aspects, addition for potting soil and regulators, but also for soilless culture. As to be the nutrition grass-roots for planting potted trees and commercial seedbed, it is advantage of transplanting and transporting of plants. Vermiculite can effectively promote the plant roots development and seeds’ growth, can provide water and nutrition of the plants growing for a long time, and keep the roots temperature stable. Vermiculite can make the plant get enough water and mineral on the initial stage, promote the plants grow faster, and increase the production.

Expanded vermiculite, paved on the roof, will play a very good heat insulating effect, making the building warm in winter and cool in summer. Using vermiculite bricks into the partition wall of high rise or using vermiculite blocks as partition materials into hotels or entertainment centers, effects of sound absorption, fire proof, heat preservation and so on will be fully displayed and the building will also be reduced of its load.

Tiny air compartments forms after vermiculite’s expansion, enabling the expanded vermiculite become a porous sound insulation material. When the frequency is 2000C / S, the sound-absorbing rate of 5mm thick vermiculite is 63%, 6mm 84% and 8mm 90%.

Vermiculite is great in resisting frost as its capacity and strength keeps the same even after it goes through 40 times of freeze-thaw cycle experiments under -20℃. It is porous and has absorption property. It can keep heat and prevent condensation. Besides, it can absorb radiation rays, therefore vermiculite boards can be placed inside laboratory to substitute expensive lead boards to absorb up to 90% of scattered rays. 65mm thick vermiculite is equivalent to 1mm thick lead board.

Expanded vermiculite powder was made by vermiculite ore, calcined at high temperature, screening, grinding. Main specifications are: 3-8mm, 1-3mm, 10-20mesh, 20-40mesh, 40-60mesh, 60mesh, 200mesh, 325mesh, 1250mesh. Applying in: housing insulation equipment, domestic refrigeration device, car muffler, sound insulation laster, safe and cellar lined pipe, boiler retaining thermal clothing, iron ladles, firebrick insulation cement, automotive insulation equipment, aircraft insulation equipment, cold storage insulation equipment, bus insulation equipment, wallboard water cooling towers, steel annealing, fire extinguishers, filters, cold storage, linoleum, roofing panels, cornices, dielectric gates board, wall paper printing, outdoor advertising, paint, increase the viscosity of the paint, photographic soft wood fire wood fire card paper, golden and bronze ink, paint the outside supplements.


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Our company promises all buyers of the first-class products and solutions as well as most satisfying post-sale support. We warmly welcome our regular and new shoppers to join us for 2020 Good Quality Coatings - Vermiculite – Xinfa, The product will supply to all over the world, such as: Brunei, New Zealand, Portland, We confirm to public, cooperation, win-win situation as our principle, adhere to the philosophy of make a living by quality, keep developing by honesty , sincerely hope to build up a good relationship with more and more customers and friends, to achieve a win-win situation and common prosperity.
The company comply with the contract strict, a very reputable manufacturers, worthy a long-term cooperation.
5 Stars By Clementine from Denmark - 2018.11.28 16:25
This company conforms to the market requirement and joins in the market competition by its high quality product, this is an enterprise that have Chinese spirit.
5 Stars By Nicole from Kuwait - 2018.11.11 19:52

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