Home > Products > molecular sieve desiccant > 2013 new design hydrophobic molecular sieve zeolite desiccant
2013 new design hydrophobic molecular sieve zeolite desiccant
- 600 Metric Ton / Metric Tons per Month
- Shenzhen China
- T/T L/C D/P D/A Credit Card PayPal
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Product Details
CAS No.: | 55465-40-2 | Other Names: | silicon dioxide | MF: | 0.4K2O 0.6Na2O AL2O3 2.0SiO2 4.5H2O |
EINECS No.: | 215-684-8 | Purity: | 99.6% | Place of Origin: | Guangdong, China |
Type: | Adsorbent | Adsorbent Variety: | Molecular Sieve | Usage: | Coating Auxiliary Agents, Electronics Chemicals, Leather Auxiliary Agents, Paper Chemicals, Plastic Auxiliary Agents, Surfactants, Textile Auxiliary Agents, Other, Coating Auxiliary Agents, Electronics Chemicals, Leather Auxiliary Agents, Paper Chemicals, Plastic Auxiliary Agents, Surfactants, Textile Auxiliary Agents, germents |
Brand Name: | Chunwang | Model Number: | 1g-1000g |
Product Description
Specifications
zeolite desiccant1:Type A desicant
2:High absorptivity.
3:RoHs approval
4:Eco friendly
2013 new design hydrophobic molecular sieve zeolite desiccant
- 16 years experience for 3A molecular sieve
- Free samples and fast delivery time
SGS,MSDS,REACH,RoHs,DMF free approval
Eco friendly
A molecular sieve is a material with very small holes of precise and uniform size. These holes are small enough to block large molecules while allowing small molecules to pass. Many molecular sieves are used as desiccants. Some examples include activated charcoal and silica gel.
The diameter of a molecular sieve is measured in Angstroms (Å) or nanometres (nm). The unit conversion for 1 Å is 0.1 nm. According to IUPAC notation, microporous materials have pore diameters of less than 2 nm (20 Å) and macroporous materials have pore diameters of greater than 50 nm (500 Å); the mesoporous category thus lies in the middle with pore diameters between 2 and 50 nm (20-500 Å).
Microporous material (<2 nm)
- Zeolites (aluminosilicateminerals, not to be confused with aluminium silicate)
- Porous glass: 10 Å (1 nm), and up
- Active carbon: 0-20 Å (0-2 nm), and up
- Clays
- Montmorilloniteintermixes
Halloysite (endellite): Two common forms are found, when hydrated the clay exhibits a 1 nm spacing of the layers and when dehydrated (meta-halloysite) the spacing is 0.7 nm. Halloysite naturally occurs as small cylinders which average 30 nm in diameter with lengths between 0.5 and 10 micrometres. Molecular sieves are used as adsorbent for gases and liquids. Molecules small enough to pass through the pores are adsorbed while larger molecules are not. It is different from a common filter in that it operates on a molecular level and traps the adsorbed substance. For instance, a water molecule may be small enough to pass through the pores while larger molecules are not, so water is forced into the pores which act as a trap for the penetrating water molecules, which are retained within the pores. Because of this, they often function as a desiccant. A molecular sieve can adsorb water up to 22% of its own weight.The principle of adsorption to molecular sieve particles is somewhat similar to that of size exclusion chromatography, except that without a changing solution composition, the adsorbed product remains trapped because, in the absence of other molecules able to penetrate the pore and fill the space, a vacuum would be created by desorption
Molecular sieves are often utilized in the petroleum industry, especially for the purification of gas streams and in the chemistry laboratory for separating compounds and drying reaction starting materials. For example, in the liquid natural gas (LNG) industry, the water content of the gas needs to be reduced to very low values (less than 1 ppmv) to prevent it from freezing (and causing blockages) in the cold section of LNG plants.
They are also used in the filtration of air supplies for breathing apparatus, for example those used by scuba divers and firefighters. In such applications, air is supplied by an air compressor and is passed through a cartridge filter which, dependent on the application, is filled with molecular sieve and/or activated carbon, finally being used to charge breathing air tanks. Such filtration can remove particulates and compressor exhaust products from the breathing air supply.
Manufacture and market series of moisture control products for industrial and household
Q : Why Use Desiccants?
A: Moisture is the main enemy of any collection. With their low cost, silica gel and clay desiccants are the best choice for protection from moisture.
Desiccants are an ideal humidity controller for coins, gun safes, cameras, tools, etc. Silica gel and clay desiccants prevent moisture related problems before they begin, creating a protective shield of dry air within any enclosed storage area. Silica gel and clay desiccants are easily reactivated and can provide a lifetime of protection.
Q: What's the warrranty?
A: Usually , Warranty 1 year
Q: What's the payment term
A: T/T, Western Union, L/C ,Paypal
Q: What's the lead time
A: Within 7-10 working days after payment checked
Q: Do you offer free sample
A: Yes, free sample available, frieght customer side
Q: What's your supply capacity each month
A: more than 800 Metric tons each month.
Q: Can I customize my own brand?
A: Yes, when meet the OEM MOQ, it is definitely available
Q: What is your MOQ
A: according to Different , 1000 -10000 pcs.
Contact Us
- Shenzhen Chunwang Environmental Protection Technology Co., Ltd.
- Contact namesunny Hu
- Phone86-755-89889919-8102
- AddressChunwang Industrial Park,Tongle Sixth Industrial Area,Langbei Village,Longgang District,Shenzhen,China Shenzhen,Guangdong
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