2013年9月30日星期一

Silica gel desiccant

Silica gel desiccant
Usage by Product Category
1 , medicinal , food silica gel desiccant
Food and Drug silica gel desiccant criteria are to meet State Food and Drug Administration to develop pharmaceutical packaging containers ( material ) Standard: " Medicinal solid desiccant paper bags standard " , the standard provides for " solid dosage filter bags packed spherical pore silica gel desiccant "requirement, which in addition to the desiccant bag appearance , strength, moisture adsorbent , desiccant moisture absorption rate and other basic performance requirements, focusing on the content of harmful substances in the desiccant ( eg : arsenic , etc. ) , microbial limits , bleaching performance and other aspects of the regulations.
2 , shoes with silica gel desiccant
Shoes with silica gel desiccant can be considered for general cargo dry, moisture desiccant. The main requirement silica gel desiccant itself does not contain relevant international standards in the prohibited substances , packaging materials Breathable and durable, while its upper reaches other desiccant adsorption effect can not be achieved .
3, Electronic products with silica gel desiccant
Electronic products, especially for packaging moisture-sensitive electronic components and humidity control also has a very high demand , the United States Association Connecting Electronics Industries (IPC) and the U.S. Joint Electron Device Engineering Council (JEDEC) jointly prepared " moisture-sensitive surface mount components packing and shipping process using the standard "
J-STD-033b is being widely used for moisture-sensitive electronic components surface treatment, drying, drying and packaging requirements in all aspects of the comprehensive standard . The standard provisions in Chapter 3 of these electronic components dry packaging requirements.
4 , the container with silica gel desiccant
Container with silica gel desiccant is mainly used for shipping containers , used to adsorb the ocean containers during transport or storage container and humid climate and the oceans since experienced a large diurnal temperature variation inside the container into water vapor will condense beads and the formation of the " container rain " , to reduce the moisture content of the air in the container to prevent the generation of container rain .
About us

SILICA GEL supplier----Fenglong Chemical Co., Ltd. is primarily engaged in manufacturing silica gel since 2001. We are manufacturing Indicating silica gel & Non-Indicating type of SILICA GEL in all grades such as blue silica gel, orange silica gel and basic silica gel such as type A silica gel , type B silic gel ,type C silica gel and another special silica gel Column chromatography silica gel . We are Chinese manufacturer of silica gel and supplying it across the world. Silica gel manufactured by us is of best quality which is widely used as cat litter, desiccant silica gel in anti-rusting and moisture-proof of product, packaging, drying and separation of gases, the catalyst carrier of petrochemical industry and so on.

Ceramic Ball

Packing Ceramic Ball also known as inert alumina ceramic ball, packing type of ceramic balls are widely used in petroleum, chemical industry, fertilizer industry, natural gas and environmental protection industries, as a catalyst in the reactor to cover support material and tower packing, packing type of porcelain ball main effect is to increase gas or liquid distribution points, support and protection intensity is not high activity of the catalyst. Depending on the inert alumina ceramic ball AL2O3 content, filler type of porcelain ball can be divided into: ordinary ceramic ball, the inert alumina ceramic ball, china co porcelain, high alumina ceramic ball, 99 high alumina porcelain, porcelain ball with convex concave groove opening, active porcelain ball, opening porcelain ball, micro porous ceramic ball, regenerative porcelain ball.
Grinding type ceramic ball is used for grinding ball mill, pot mill, vibrating mill and other fine grinding equipment. Grinding balls have the advantages of high hardness and high volume density, corrosion resistance, its grinding efficiency and abrasion resistance is better than that of ordinary stone or natural stone, widely used in ceramics, glass, enamel, pigment, chemical industry etc.. According to the AL2O3 content of the different, grinding balls into silicon carbide grinding balls, microcrystalline alumina grinding balls, high alumina grinding balls.
Inert ceramic balls are widely used in petroleum, chemical, fertilizer, gas and environmental protection industries, as the reactor catalyst support materials covered and packing. Inert ceramic balls are resistant to high temperature and high pressure, low water absorption rate, stable in chemical characteristics. Able to withstand the corrosive acid, alkali and other organic solvents, and can withstand the temperature changes in the production process. Inert ceramic balls main function is to increase the gas or liquid distribution points, activity of the catalyst support and protection of the intensity is not high.
About us
Pingxiang Lihua Packing Co.,Ltd has been keeping strengthened technology innovation, cooperating with some famous institutes. Besides our traditional products like Inert Ceramic Ball and Ceramic Random Packing, we have developed high-rated catalysts including Sulfur Recovery Catalyst,Ozone Decomposition Catalyst ,Low Temperature Shift Catalyst and Methanation Catalyst etc.
Contact us
Add: Ceremic Industry Park, Park,Pingxiang city,Jiangxi Province, China
Mobile: 18979985936
TEL: +86-799-6886893
Fax: 0086-799-6835693
URL: http://www.lihuachemical.com/
E-MAIL: info@lihuachemical.com


2013年9月23日星期一

what is Activated alumina ?

Activated alumina is a porous , high dispersion of solid materials, a large surface area, the porous surface with the required catalytic properties , such as adsorption , surface activity, good thermal stability, it is widely being used as chemical catalysts and catalyst supports.
Appearance
activated alumina is white spherical porous particle, particle size uniform, smooth surface, mechanical strength, moisture absorption is strong, not expanding crack remains intact after water absorption, non-toxic, odorless, insoluble in water, ethanol, has very strong adsorption to fluorine, mainly used for high fluoride areas fluoride in drinking water.
Role
Activated alumina on the gas, water vapor, and some of the liquid water has selective adsorption ability. After the adsorption saturation can be in about 175-315 heating to remove water and resurrection. Adsorption and resurrection for many times. In addition to the used as a desiccant, but also from the pollution of the oxygen, hydrogen, carbon dioxide adsorption oil steam, gas, etc. And can be used as a catalyst and catalyst carrier and carrier of chromatographic analysis.
Activated alumina chemical alumina category, mainly for the adsorbent, water purifier, catalyst and catalyst carrier, according to different purposes, the raw materials and different preparation methods
The main factors influencing the activated alumina adsorption performance:
1, particle size: the smaller the particle size, the higher adsorption capacity, but the smaller the particle size, particle strength is lower, affect the service life.
2, raw water PH value: when the PH value is greater than 5, the lower the PH, the higher the adsorption capacity of activated alumina.
3, initial fluoride concentration in the raw water, the higher the initial concentration of fluorine, adsorption capacity is bigger.
4, the chloride ion and sulfate ion.
5, the effects of arsenic: activated alumina adsorption for the arsenic in the water, the accumulation of arsenic on the activated alumina, falling of fluorine ion adsorption capacity and regeneration of elution arsenic ion more difficult.
About us
Pingxiang Lihua Packing Co.,Ltd has been keeping strengthened technology innovation, cooperating with some famous institutes. Besides our traditional products like ceramic balls and tower packings, we have developed high-rated catalysts including environmental protection catalysts, hydrotreating catalysts, ammonia synthesis catalysts and water treatment equipment etc. lihua locates at Ceramic Industry Park, Pingxiang City which has 30,000 square meters plant, owning fixed asset of RMB 60 million, working capital RMB 20 million and more than 100 employees, which making total output 10000 tons of various items.


Properties of organic silicone


Properties of organic silicone

Silicone products are the basic structural units of silicon - oxide chain composed of the side chain through the silicon atom is connected to a variety of other organic groups . Therefore, the structure of the organic silicone products containing both " organic group ", also contain " inorganic structure " , this particular composition and molecular structure so that it sets the characteristics of organic and inorganic functionality in a Compared with other polymers , silicone products, the most prominent performance are:
A. Electrical insulation properties
    Silicone products have good electrical insulation properties, dielectric loss , resistance, voltage, arc resistance, corona , volume resistivity and surface resistivity of insulating materials are on the top , and their electrical performance is affected by temperature and frequency little effect . Therefore, they are a stable electrically insulating material , is widely used in electronics, electrical industries. Silicone addition has excellent heat resistance , but also has excellent water repellency , electrical equipment which is used under wet conditions with high reliability protection.
B. Physiologically inert
    Silicone-based compounds are known in the least one active compound . They are extremely resistant to biological aging, and animal body no rejection , and has better anti- clotting properties.
C. Temperature characteristics
    Silicone product is silicon - oxygen (Si-O) bond in the main chain structure , C-C bond energy of 82.6 kcal / mol , Si-O bond in the organic silicon is 121 kcal / mole , so the silicone products, high thermal stability
D. Weathering
    Silicone products, the main chain -Si-O-, unparalleled key exists , it is not easy to be decomposed by ultraviolet light and ozone .
If you need, please contact us!
Tel: 0086-25-52397808
Fax: 0086-25-68650010
P.C.: 211100
Add: Jiashan Road 6#, Maanshan, China
Website: www.silicon-gel-china.com



2013年9月12日星期四

Sodium Alkylbenzene Sulfonate (LAS)



Anionic surfactants. Low production costs , performance, and therefore widely used, is the largest amount of synthetic household detergent surfactants , also produce some magnesium , calcium salts and organic amine salts such as triethanolamine . Calcium dodecylbenzenesulfonate has excellent emulsifying properties, is used in the preparation of various pesticides mixed emulsifier important part. By benzene and α- olefin in three aluminum chloride catalyst condensation, condensation of liquid caustic washing , washing the recovery of benzene was evaporated under vacuum distillation to obtain refined benzene . Then sulfonation with fuming sulfuric acid , lime neutralization ( in ethanol with 2 times the amount ) , to obtain calcium dodecylbenzenesulfonate . Acrylic emulsion as anionic emulsifiers .
Alkylbenzene sulfonate is a yellow oil which was purified hexagonal or rhomboid form strong lamellae. With micro- toxicity,
International security organizations have been identified as safe chemicals, cleaning utensils in fruit and application . LAS in detergents used in the largest amount , the use of large-scale automated production , low prices. Used in detergents have branched structure benzene sulfonate (ABS) and straight- chain structure (LAS) are two biodegradable branched structure is small, pollute the environment , and straight -chain structure readily biodegradable , biodegradability can be greater than 90% , the small degree of environmental pollution .
Use
LAS is neutral, more sensitive to water hardness
About us
Sinopec Jinling Petrochemical Co.,Ltd is a high-tech, share-holding enterprise, which is engaged in development, production & business operation, technical service and project design of fine chemicals. Main products of the company: Series of Powdered LAS, HLAS, K12, AOS, DSB, APG and so on, among which series of powdered LAS products dominate the domestic market. In addition, the company is also involved in engineering design, revamp & expansion, technical consulting and service for synthetic detergent spray drying unit and membrane sulfur trioxide sulfonation unit. The company is also able to offer technology of multi-tube and membrane sulfonating reactor which was proprietarily developed by itself and have been commercially applied in production of LAS, HLAS, BLAS, K12, AES and MES.
Contact us
Sinopec Jinling Petrochemical Co.,Ltd 
Address:Wushan Town, Lishui District, Jiangsu Province, China
Post code: 211100
Tel: 0086-25-52397805
Fax: 0086-25-68650010
E-mail: info@nj-sinopec.com
Website: http://www.nj-sinopec.com



Silica gel desiccant safety performance

Silica gel desiccant safety performance

       Silica gel desiccant has a strong adsorption capacity, can produce human skin drying effect , therefore , the operator should wear good clothes . If the silicone into the eyes , flush with lots of water and seek medical treatment. Silicone itself is a neutral substance , except with the alkali, acid react under certain conditions , would not react with any other substance . Meanwhile, the silicone is the only approved by FDA , can be used with medicines, food in direct contact with the desiccant. Silica gel desiccant occur after eating , not tense . It will not cause harm to humans , it will not be absorbed. Occurs after eating drinking some milk , so it will soon silica gel desiccant with human feces.
Silica gel desiccant has a strong capacity to absorb moisture and should be stored in a dry place . Between the ground and have a shelf package . Packaging with drums , drum , cardboard boxes, plastic bottles, polyethylene plastic bags, flexible container bags and so on. Specific packaging specifications see category product description. Transport process should avoid rain, moisture and sun exposure . Silica gel desiccant is permeable sachet different varieties of silica gel, the main raw material is a high- silica microporous structure of hydrous silica , non-toxic , tasteless , odorless , chemically stable , with a strong moisture absorption , is a kind of highly active adsorption material .
Usually with sodium silicate and sulfuric acid , and after aging, acid bulbs and a series of post-processing system. Silica is amorphous material , and its irregular shape transparent sphere , its chemical formula is mSiO2 • nH2O. Which is widely used in instruments, meters , equipment, instruments, leather, luggage, footwear , textiles , food, medicines and other storage and transport control environment relative humidity, to prevent items from moisture , mildew and rust.
Contact us
Tel: 0086-25-52397808
Fax: 0086-25-68650010
P.C.: 211100
Add: Jiashan Road 6#, Maanshan, China
E-mail: info@silicon-gel-china.com



2013年9月5日星期四

Sodium Alcohol Ether Sulphate

Properties
Soluble in water, with excellent detergency , emulsification, foaming properties and resistance to hard water , a mild detergent nature will not damage the skin . Please note that when : in the absence of a viscosity adjusting agent , if you want AES diluted to contain 30% or 60 % of the active substance in water , often resulting in a highly viscous gel . To avoid this phenomenon , the correct approach is the high number of active products added to the water while stirring. Water was added to high activity without the raw materials, or it may lead to gel formation .
Uses:
Widely used in shampoo , shower gel, dishwashing detergent , soap and other cleaning compound cosmetics ; used in the textile industry wetting agents, cleaning agents.
Storage:
At high temperature ( 50 degrees Celsius ) or in an acidic environment (pH = 5 ) , the decomposition of alkyl ether sulfates , the reason is because the hydrolysis of alkyl ether sulfates . As alkyl ether sulfates are easily hydrolyzed at high temperatures , the product should avoid storage environment above 50 degrees Celsius .
About us
Sinopec Jinling Petrochemical Co., Ltd is a subsidiary of China Petrochemical Group, a high-tech, share-holding enterprise, which is engaged in development, production & business operation, technical service and project design of chemicals.
Jinling branch employs technical persons who have medium or high level technical titles and account 22% of the total employees, and cooperate closely with related colleges and universities in Nanjing and Shanghai.
After years of construction and development, our company has become China's largest production base of detergent raw materials. With the total capacity of 90000 tons/year of two sets of sulfur device 300000 tons/year sodium alkyl benzene equipment, our product is guaranteed by its advanced imported equipment, exquisite workmanship, prefect management system as well as excellent-equipped laboratory.
Also, you can click WHY CHOOSE US!
Contact us

Sinopec Jinling Petrochemical Co.,Ltd
Address:Wushan Town, Lishui District, Jiangsu Province, China
Post code: 211100
Tel: 0086-25-52397805
Fax: 0086-25-68650010
E-mail: info@sles-china.com 

Website:
 www.sles-china.com

Silica gel desiccant chemical properties and chemical use




Silica gel desiccant chemical properties and chemical use

Amorphous silica gel desiccant with a porous amorphous structure , does not have any x-ray diffraction in the external structure of silica gel chromatography, and industrial water treatment category . There is the appearance of silica gel desiccant silanol groups and siloxane bond disclosure silanol groups are strongly adsorbed polar groups , and siloxane bond is a hydrophobic group . Siloxane bond by the action of a key on the enhanced oxygen atom lone pair of electrons involved in the role of the donor can not participate in the interaction between the receptor does not constitute hydrogen .
However, due to the hydrophobic interaction of the siloxane bond , some non- polar solvent capable of adsorbing molecules. On silicone modified , the silanol critical than siloxane much . Silanol groups can be isolated and paired twins and association vicinal exist in different ways, such as silica gel desiccant appearance. Recently study indicated , only the association of two or more silanol groups can form an aggregate bonding pair, and even pairs of silanol groups can be bonded to form pairs.
Silicone exterior structure determination can be implemented through a number of ways . Under normal circumstances , with the appearance of the plot than the growth of the appearance of silica gel desiccant concentration of silanol groups decreased slightly . Determination of alcohol content is usually silicon isotope exchange method method, titration, spectroscopy and aluminum alkyl law.
Chemical stability , an important component of silica gel desiccant is silica. Does not go out . Silica gel desiccant is an amorphous silica dust content of the workshop should be controlled to less than 10 mg / m need for increased ventilation, wear a mask when operating . On human skin can occur boring role , silica gel desiccant has a strong adsorption ability. Therefore, the operator should wear good clothes tasks . If silica gel desiccant into the eyes , need a small amount of water and seek medical treatment.
Toxic blue silica gel desiccant because it contains a large number of cobalt chloride . Should be prevented and food contact and inhalation of the mouth , such as intoxication things should immediately seek medical treatment.
When the adsorption decreased , silica gel desiccant in the use of the process of the medium due to the adsorption of water vapor or other inorganic substances. Can be regenerated after repeated use . Gas parting and pollution of the high skill, silica gel desiccant PSA translucent or semi- translucent appearance glassy . PSA silica gel desiccant is important for the recovery of carbon dioxide , respectively, and pollution , for the decomposition of ammonia industry , food and beverage processing industry , etc. Preparation of carbon dioxide can be used for dry, dehydrated moisture and inorganic products such as refining .