Fused quarts at 200nm to 2.2um has high transmittance and low coefficient of thermal expansion, which makes it an ideal choice for spherical lens with strict requirements in ultraviolet, visible and near-infrared spectral applications. Spherical lenses are commonly used to improve signal coupling between optical fibers,transmitters and detectors,as well as objective lenses in endoscopy and bar code scanning applications. Hemispherical lens can simplify the integration of the whole system.
Hengcheng's micro pearl silica is made from sulfuric acid and sodium silicate. By using the pressure spray drying technology, it provides our customers with non- dusting micro pearl silica that is denser than powder and easier to handle. We offer several packaging options. These include paper bags and big bags, on plastic or wood pallets, and in bulk in specially lined containers. This enables us to deliver anywhere in the world and according to customer needs and preferences.
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[product introduction]
The product is white or gray white particles. In addition to the pore structure and adsorption performance of ordinary silica gel, it also has good water resistance, does not crack when encountering water, and has long service life.
[product use]
1.It is used for drying and purification of compressed air and air separation industry as adsorbent for acetylene and carbon dioxide
2.Used as liquid adsorbent and catalyst carrier in petrochemical, electric power, brewing and other industries.
3.It is used as the buffer desiccant of ordinary silica gel protective bed.
[package]:
20kg or 25kg / bag, composite bag, lined with polyethylene bag
It´s the main raw material of precision casting, glassceramic, refractory and electrical appliances. Also the sound filler of paint in the chemical industry.
Grain size: 0-1-3-5mm, 0.4-0.6mm , 0.25-0.4mm etc.
Powder size: 200mesh , 325mesh( D50=12um) etc.
Silica fume, also known as microsilica, is an amorphous (non-crystalline) polymorph of silicon dioxide, silica. It is an ultrafine powder collected as a by-product during silicon and ferrosilicon alloy production.
According to the SiO2 content, our products can arrange form grade 85% to grade 98%. According to the bulk density, we can divide our products into densified silica fume and undensified silica fume.
Fumed silica is the superfine micro-nano fine chemical product, which is divided into hydrophilic type and hydrophobic type in accordance with their different surface treatments. Its appearance is white powder. Native particle size ranges from 5nm to 40nm, with significant functions of thixotropy, reinforcing, thickening and filling. Therefore, it is widely used in the industries of rubber, sealant, plastic, resin, paint, printing ink, papermaking, medicine, cosmetics, food etc.
Fumed silica is the superfine micro-nano fine chemical product , which is divided into hydrophilic type and hydrophobic type in accordance with their different surface treatments, its appearance is white powder , native particle size ranges from 5nm to 40nm, with signficant functions of thixotropy, reinforcing, thickening and filling.
it is widely used in the industries of rubber , sealant, plastic , resin, paint, printing ink, papermaking, medicine, cosmetics food etc.
Fusil-200 is 99% purity nanoparticles silica organic silica industrial raw material with a specific surface area of 200 m2/g .The original particle size can be 5- 40 nm. Its a kind of high purity white colloidal powder.
It is mainly used for high-temperature vulcanized silicone rubber, organic silicone defoamer, advanced printing ink, powder coating, PVC resin, unsaturated polyester resin thickening, thixotropic agent, pharmaceutical powder, tabular preparation, cosmetics etc.
Applications
Paints, Coatings, Printing inks and unsaturated polyester resins
Sealants and Silicone Adhesive
Elastomers, especially HTV and RTV Silicone rubber
Films Cosmetics and Heat insulator
Properties
Reinforcing filler in elastomers
Theology and thixotropy control of liquid systems
Used as anti-settling, thickening, anti-sagging agent
¬Improvement of free flow and anti-caking
¬Characteristics of powders
High transparency
By using centrifugal spray drying technology, Wuxi Hengcheng's powder silica includes powder and super fine type. We offer several packaging options. These include paper bags and big bags, on plastic or wood pallets, and in bulk in specially lined containers. This enables us to deliver anywhere in the world and according to customer needs and preferences.
Hengcheng's granular precipitated silica are made of powder or micro pearl silica as masterbatch and converted into granular type by secondary processing. It is dust-free and environment-friendly. We offer several packaging options. These include paper bags and big bags, on plastic or wood pallets, and in bulk in specially lined containers. This enables us to deliver anywhere in the world and according to customer needs and preferences.
Precipitated Silica is an active filler and reinforcing agent in rubber tyres and rubber products, which can improve the mechanical properties, abrasion resistance, and thermal properties It can also improve the tensile strength, tear strength, abrasion resistance and flexibility of rubber products and tires.
Precipitated Silica is high purity, good flowability white granule or powder , with high adsorption and flow promotion properties its two main functions are as carrier and anti-caking agent. As Carrier It is good carrier for various feed flavoring agents, vitamin mold inhibitors, acid inhibitors, antioxidants, choline chloride, allicin and other products. As Anti Caking Agent . It is also used as anti-caking in fluffing agent, , premix, trace elements, vitamins and other products.
Precipitated silica for toothpaste includes comprehensive type, thickening type, high thickening type, friction type, high friction type and friction transparent type, etc.. The self-developed friction-type and friction-transparent abrasives for toothpaste have the characteristics of good stability and obvious cost advantages.
313 Silica Sand Suppliers
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