Hydrophilic fumed silica. 7 GB/T1717 Loss on ignition < 2.
Hydrophilic fumed silica com Certificated by ISO9001 – ISO14001 – ISO45001 – SGS- REACH – KKDIK – K-REACH Reversion 11 on Jan 25th, 2022 . WACKER, a world-leading producer of. 5 ~ 6. The hydrophilic nature of the fumed silica also absorbs water off the surface of the particles Hydrophilic fumed silica, a light white powder, is brought about by the reaction of oxyhydrogen flame and volatile chlorosilanes (Silicon tetrachloride) to form molten spheres of silicon dioxide (and hydrogen chloride). Hydrophilic Fumed Silica FS1150 FS1200 FS1300 Hydrophilic Fumed Silica TECHNIQUE DATA SHEET At time of packaging. Good quality, competitive price,contact us to get free sample for test. Hydrophilic Fumed Silica. 5 GB/T10722 Loss on drying[%] < 0. Aerosil R 972 is a fumed silica after-treated with Silica gel is liquid, while fumed silica is dry but hydrophilic. AEROSIL® fumed silica is in general not an efficient thickening agent for aqueous systems. com, www. 1. Our fumed silica include HN-150&GCL-15, HN-200&GCL-20, HN-300& GCL-30, HN-380&GCL-40, Product quality is stable and cost-effective Fumed silica with surface area of 130 m 2 /g . Name of product . 1 Non-porous silica. Grade BET surface area[m2/g] Loss on drying[%] pH value Carbon content[%] Surface modification XYSIL® R120H 120 ± 20 ≤ 0. Our hydrophilic (untreated) fumed silica powder and dispersion products provide exceptional performance benefits for a wide variety of applications and industries. MSDS of hydrophobic XYSIL fumed silica from Henan Xunyu Chemical Co. com Certificated by ISO9001 – ISO14001 – ISO45001 – SGS- REACH – KKDIK – K-REACH Reversion 11 on Jan 25th, 2022 For instance, hydrophilic fumed silica is indispensable in the production of aqueous gel batteries, where it prevents leakage and improves battery life by stabilizing the electrolyte. Silica gel particles are bonded together in a lattice network, while fumed silica is a fine nanopowder made of easily separable individual nanoparticles. CAS No. Fumed silica require very strictly moisture-proof method: packaged in kraft paper and rounded by plastic layers. The properties of fumed silica can be chemically modified by reacting with these silanol groups. 5 GB/T1717 Tamped density[g/L] 50 ~ 70 Our hydrophobic (treated) fumed silica powders provide exceptional performance benefits for a wide variety of applications and industries. This is commonly used in pharmaceuticals and cosmetics as, for example, as an anti-tacking agent (i. Another important consideration is whether to use a hydrophilic or hydrophobic AEROSIL® fumed silica type. Some rectangular and transparent quartz plates served as solid substrates in order to determine the wettability behavior in the presence of silica nano XYSIL® hydrophobic fumed silica is based on hydrophilic fumed silica powder products after-treated with HMDS (hexamethyldisilazane) and DDS (Dimethyldichlorosilane) based superficial treatment, or structure modified. High-quality Fumed Silica from 20 Microns, a trusted manufacturer and supplier in India, for industries like paints, plastics, textiles, adhesives, & more. Besides, it acts as free flow and absorbing agent in pharmacy, food and We offer industry, food & Medicine grade hydrophilic fumed silica over 600 tons per month. The most commonly used non-porous silica is colloidal anhydrous silica (also known as hydrophilic fumed silica). The relationship between the hydrophobicity of the silica and the polarity of the system is described in the diagram below indicating Hydrophilic Fumed Silica TECHNIQUE DATA SHEET At time of packaging. Polar and semi-polar resin systems Fumed silica hydrogen bonding is limited and there Commercial available fumed silica can be divided into two groups: hydrophilic fumed silica and hydrophobic fumed silica. Fumed Silica is available in a variety of types and sizes including hydrophilic, hydrophobic and food grade. 7 ~ 4. Packing and Storage: XYSIL®200F is packaged in multiple layer kraft paper 10kg bags on pallet, and should be stored in the original packaging in dry storage areas for Silica (> 99. Identification of the substance/ preparation and the company. Packing and Storage: XYSIL® 380P is packaged in multiple layer kraft paper 10kg bags on a pallet and should be stored in the original packaging in dry storage areas for [] Primary hydrophilic fumed silica particles usually form chain-type aggregates (microstructures) with a sub-micron size in air, and a density of ~3 surface silanol groups per nm 2, due to hydrogen bonding between the silanol groups on the surface of the particles [1, 2]. xunyuchem. Hydrophilic silica can be wetted with water and dispersed in water. As discussed before, hydrophobic AEROSIL® R-types are often less efficient thickeners for oleo-gels than are hydrophilic grades. e. 7 GB/T1717 Loss on ignition < 2. It is can be wetted by water, and dispersed in water forming a suspension. • Hydrophilic fumed silica provides optimized thickening eff ects in non-polar oils. 05% wt, were used in preparing the nano-fluids. 5 GB/T1717 treated with DDS(Dimethyldichlorosilane) based on a hydrophilic fumed silica with Website: www. 8-4. Some manufacturer divides into more grades according to applications. Silica fume, also known as microsilica, is a fine-grain, thin, and very high surface area silica The addition of silica produces an increase in the storage modulus (G') of PU adhesives, the values obtained being independent of the hydrophilic or hydrophobic nature of the fumed silica. 5 Fumed hydrophilic silica nanoparticles, with average size of 7 nm and at concentration of 0. 5 PDMS Hydrophilic and hydrophobic AEROSIL fumed silica grades are used in many liquid systems for viscosity control, anti-sag and anti-settling behavior, and for general rheological enhancement. The increase of G ' and the changes in tan δ of PU adhesives containing silica corresponded to an improvement in the green adhesion properties of HJSIL 300 is a kind of hydrophilic fumed silica with the specific surface area(BET) of 300 m2/g. Information on Various fumed nano-silica particles (i. Hydrophilic silica is wetted by water and can be dispersed in water. XYSIL® 380P(Pharmaceutical grade) s a hydrophilic Fumed Silica with a specific surface area of 380mL2/g, and it is Synthetic, hydrophilic amorphous Silica (Colloidal Silicon Dioxide). Enhancing Advantages. It is suitable for the following applications as the additive: RTV silicone rubber, Silicone Sealant and Adhesives, Paints and Coatings, Printing inks XYSIL hydrophilic fumed silica grades. 6~4 Mt fumed silica inside. Also available in pharma quality. In acidic conditions, the silica suspensions should form microstructures and exhibit agglomerates by attractive forces between the microstructures with an increase in ϕ. HJSIL 200 as a filler XYSIL ® 300 is a hydrophilic fumed silica with a specific surface area of 300m2/g, and it is synthetic, hydrophilic, amorphous silica, produced via flame hydrolysis. Fumed Silica Sample Fumed silica nanoparticles (FSN) were first treated with 3-aminopropyltriethoxysilane (APTES) to form aminopropylated fumed silica nanoparticles (AFSN), followed by the surface-initiated redox polymerization of AA and MAA in the aqueous media stabilized by sodium dodecyl sulfate to synthesize PAA-g-FSN and PMAA-g-FSN hybrid PRODUCT NAME: HYDROPHILIC FUMED SILICA HENAN XUNYU CHEMICAL CO. Applications and Properties RTV Silicone Sealant, HTV Silicone Rubber Website: www. Among electrospinning solutions with various SiO 2 contents, the 12 wt% SiO 2 in PAN solution has highest zeta potential (−40. Choos-ing the correct silica to build rheology depends on the coatings systems overall polarity. A series of experiments were conducted on the HFS-dispersing Treated fumed silica is produced by the treatment of hydrophilic fumed silica with silanes such as hexa-methyldisilazane (HMDZ), alkyl-chlorosilanes, and oligomers or polymers such as polydimethylsiloxane (PDMS). 300㎡ /g. It has many advantanges like Anti-Settling And Thickening, Rheology control additive. When it firstly produced from oxyhydrogen flame，the moi XYSIL ® hydrophilic fumed silica produced by Henan Xunyu Chemical is synthetic, amorphous fumed silica powder with BET surface area from 150 to 380 m2/g. It also aids the flow of powders and prevents caking. We have over 20 years of expertise, Furthermore, in our XYSIL® 200F（Food grade） is a hydrophilic Fumed Silica with a specific surface area of 200mL2/g, and it is Synthetic, hydrophilic amorphous Silica. This segment's prominence is attributed to its extensive application across various industries, including Unlike sol−gel synthesized silica, Aerosil200 is a type of fumed silica produced by thermal pyrolysis. 5-5. 2 In these processes, some or most of the silanol groups on the surface are replaced with organosilicon groups, changing the high Hydrophilic fumed silica dominates the global fumed silica market, commanding approximately 74% of the total market share in 2024. XYAL100 is a high purity aluminum oxide. AEROSIL® 200 by Evonik is an anti-caking, free-flowing, gelling, suspending, dispersing and thickening agent. , to avoid tackiness during manufacture), adsorbent, emulsion stabiliser Manufacturer: Leading fumed silica manufacturer in China with 20+ years of expertise, 12,000 tons annual capacity ; Registration & Certificate: REACH, K-REACH, KKDIK, ISO9001, HALAL, KOSHER; Manufacturer Direct Supply: 23 XYSIL R230: Technique Data Sheet of Xunyu Chemical Fumed Silica XYSIL R230 * Latest update on Jan 25, 2022, Reversion 11. AEROSIL® is the brand name for Evonik’s synthetic fumed silica Hydrophilic Fumed Silica TECHNIQUE DATA SHEET At time of packaging. The AEROSIL® product line offers a wide array of custom tailored products to meet your needs. XYSIL® R120B is a fumed silica after treated with DDS(Dimethyldichlorosilane). Application s and Properties HTV Silicone Rubber, Liquid Silicone Rubber Website: www. AEROSIL® is highly effective as a rheology controller, as well as an anti-caking and free flow agent. 112945-52-5 or 7631-86-9. serving many industries and applications. It is based on a hydrophilic fumed silica with a specific surface area of 150m2/g. Hydrophobic silica is produced by the chemical reaction of hydrophilic silica Hydrophilic fumed silica readily forms a three dimen-sional network through hydrogen bonding which aff ects rheology and reinforces the sealant. It is particularly attractive for alkali-free synthesis because its sodium content is very low. It has a high BET surface area and positive surface charge, which brings powerful functions in different Soltex fumed silica is a low-density, high-surface-area powder produced from flame pyrolysis of silicon tetrachloride or quartz sand under ISO9001 Quality Management Systems. 102 103 104 0 26 4 8 10 12 14 Characteristics. It also provides performace benefits for polyurethanes, polyesters and epoxies. Due to the high temperature, fl ame process, typically no ionic interaction with the resin system is observed. It is hydrophilic fumed silica which is used to transform cosmetic oils to highly viscous gels. 8%). Hydrophilic fumed silica (SiO 2)/polyacrylonitrile (PAN) composite electrolyte membranes were prepared by electrospinning composite solutions of SiO 2 and PAN in N,N-dimethylformamide (DMF). : 112945-52-5 polarity. • The surface area of the silica and the volume fraction of the silica in Hydrophobic fumed silica (HFS) is a commonly used rheology additive in waterborne coatings. It is widely used in adhesives & sealants, silicone elastomers, coatings & inks, composites, personal care cosmetics and fire extinguisher. It is a best choice as Free-Flow And Anti-Caking Manufacturer: Leading fumed silica manufacturer in China with 20+ years of expertise, 12,000 tons annual capacity ; Registration & Certificate: REACH, K-REACH, KKDIK, ISO9001, HALAL, KOSHER; Manufacturer Direct Supply: 23 HL-150W is a Hydrophilic Fumed Silica with a specific surface area of around 140 m 2 /g to 160 m 2 /g. PRODUCT AND COMPANY IDENTIFICATION Product Name: Hydrophilic Fumed Silica Synonyms: Silicon Dioxide, The dimensional criteria and the hydrophilic and hydrophobic character dictate the grade of fumed silica [22, 23]. Hydrophilic fumed silica, a light white powder, is brought about by the reaction of oxyhydrogen flame and volatile chlorosilanes (Silicon tetrachloride) to form molten spheres of AEROSIL® fumed silica is a universally applicable rheology, free flow and anti-caking agent. Silica-based systems for oral delivery of drugs, macromolecules and cells Article Hydrophilic fumed silica is manufactured by hydrolysing volatile chlorosilanes in an oxyhydrogen flame. Silica Fumed . fumed-silica. Applications. . 5 GB/T1717 XYSIL200 Fumed Silica is a synthetic amorphous, nanoscale silicon dioxide with BET surface area of 200m 2/g. With its unique features of particle size, high purity, Manufacturer: Leading fumed silica manufacturer in China with 20+ years of expertise, 12,000 tons annual capacity ; Registration & Certificate: REACH, K-REACH, KKDIK, ISO9001, HALAL, KOSHER; Manufacturer Direct Supply: 23 Hydrophilic fumed silica (FS) and precipitated silica (PS) powders were suspended in mineral oil; increasing the silica volume fraction (φ in the suspension led to the formation HIFULL® HB-139 is hydrophobic fumed silica which is produced by hydrophilic fumed silica with a specific surface area of 200m 2 /g after chemical post-treatment with PDMS / Hydrophilic Fumed Silica TECHNIQUE DATA SHEET At time of packaging. fumed silica with features such as small particle size, large BET surface area, high surface activity and XYSIL® 300 is a hydrophilic Fumed Silica with a specific surface area of 300m2/g, and it is synthetic, hydrophilic, amorphous silica, produced via flame hydrolysis. Applications and Properties Application: RTV Silicone Sealant HTV Silicone Rubber Website: www. , Ltd. • Hydrophobic fumed silica provides viscosity control and increased water repellency in semi-polar to polar oils. 1907/2006 Printing Date: MAR/07/2011 Revision Date: MAR/03/2011 1. XYSIL ®. 5 4. 47, 48 Both have significantly different morphologies: the former has a higher porosity SiSiB® FS0150 is a hydrophilic fumed silica with a specific surface area of 150m2/g. com Certificated by ISO9001 – ISO14001 – ISO45001 – SGS- REACH – KKDIK – K-REACH Reversion 11 on Jan 25th, 2022 HJSIL 300 is a kind of hydrophilic fumed silica with the specific surface area(BET) of 300 m2/g. XYSIL ® hydrophilic fumed silica is white, innoxious, insipid, amorphous fine chemical powder. Manufactured according to HACCP-Guidelines. It is used in high-technology fields or as an ingredient in paints, coatings, electronics, and optical fibers Hydrophilic fumed silica is best suited for products requiring interaction with water molecules, while hydrophobic fumed silica serves well in scenarios where water repellency or specific AEROSIL® is the brand name for Evonik’s synthetic fumed silica which is produced by flame hydrolysis. SiSiB® Hydrophilic fumed silica (CAS No. It is a nanomaterial with Hydrophilic fumed silica is a silica-based polymer with a tendency of absorbing moisture. In spite of XYSIL® 200 is a hydrophilic Fumed Silica with a specific surface area of 200m2/g, and it is synthetic, hydrophilic, amorphous silica, produced via flame hydrolysis. 380㎡/g. In the alkaline conditions, the silica HIFULL’s main products are hydrophilic fumed silica (7 specifications), hydrophobic fumed silica (10 specifications) and food-grade fumed silica (2 specifications). RFQ NOW to get the high quality Hydrophilic Fumed Silica products and get more information. fumed silica, offers a complete portfolio of hydrophobic and hydrophilic grades . Fumed silica (CAS number 7631-86-9, also 112945-52-5), also known as pyrogenic silica because it is produced in a flame, consists of microscopic droplets of amorphous silica fused into Manufacturer Direct Supply: 23 grades of hydrophilic; hydrophobic fumed silica supplied, good quality, competitive price; International Standard: Leading setting body of ISO18473-3-2018 Fumed silica for silicone rubber application; Hydrophilic fumed silica is a silica-based polymer with a tendency of absorbing moisture. com Certificated by ISO9001 – ISO14001 – ISO45001 – SGS- REACH – KKDIK – K-REACH Reversion 11 on Jan 25th, 2022 Hydrophilic fumed silica is mainly used to provide thixotropic properties in coating and adhesive; to provide reinforcement in silicone rubber. 5 3. AEROSIL® hydrophobic fumed silica is produced by a Hydrophilic fumed silica is a nanomaterials with strong hygroscopicity(absorbing moisture). +86-25-58599930 SiSiB SILICONES offers SiSiB® FS0200 Hydrophilic Fumed Silica. In addition to applications in traditional Fumed silica is a useful additive for liquid and solid systems. Physico-chemical Data Properties Typical Value Standardization BET surface area[m2/g] 120 ± 20 GB/T10722 pH value 3. KEY BENEFITS standard recommendation universally applicable good dispersability EFFECT Anti-settling Anti-sagging Corrosion resistance SUITABILITY waterborne solventborne radiation-curing 1-pack coatings 2-pack Brief Uses & Applications of Hydrophilic Fumed Silica (Aerosil) for Various Industries. Fumed Silica MSDS(Material Safety Data Sheet) MSDS of hydrophilic XYSIL fumed silica from Henan Xunyu Chemical Co. Once all the fumed silica is wetted (brought under the surface of the liquid), the mixing XYSIL fumed silica can be used in different applications and can replace aerosil and cabosil's hydrophilic products in some fields Facebook; English; Español; Français; Русский; 中文; Home; Product. via XYSIL Hydrophilic Fumed Silica. HL-200 is hydrophilic fumed silica with a specific surface area around 200㎡/g. Hydrophilic Fumed Silica (Aerosil) is a high-purity, nano-structured silica powder with extremely small particle size, large surface area, and high This SDS valid for our hydrophilic fumed silica of HL-150,HL-200,HL-300,HL-380 . Packing and Storage: XYSIL®300 is packaged in multiple layer kraft paper 10kg bags on a pallet, and should be stored in the original packaging in dry storage areas for protecting [] Stabilized hydrophilic fumed silica suspensions in water have been prepared by changes in ϕ, 2d, pH, and salt concentration. Proper dispersion within the liquid system is crucial to building the rheological Hydrophilic Fumed Silica Properties Units Typical Value Standardization Specific surface area (BET) m2/g 200±25 GB/T10722 pH-value (in 4% dispersion) 3. The AEROSIL® portfolio covers a wide range of hydrophilic and hydrophobic fumed silica with different surface areas and product properties. Also, the core samples used were from Berea sandstone. It provides useful rheological properties such as thixotropy and controlled drying as well as hindering the settling of pigments. Widely usable in a broad range of applications. The silanol groups (Si-OH) on the surface of hydrophilic fumed silica give it its performance properties. However, the powder is extremely light and fluffy, and as such, is increasingly difficult to handle as the scale of a particular zeolite synthesis reaction increases. However, especially in personal care applications, they have the advantage of a better skin feel. It is an amorphous Hydrophilic fumed silica Hydrophilic fumed silica is produced by hydrolysis of volatile chlorosilanes in an oxyhydrogen flame. The variation of these sphere sizes XYSIL ® FUMED SILICA. Because of the above-mentioned features, it is widely used as Both hydrophilic fumed silica and MFC are primary rheology additives used for rheology and thixotropy control of liquid systems, like binders and polymers. Due to the combination of particle characteristics and surface chemistry, CAB-O-SIL hydrophobic Hydrophilic Fumed Silica Systems Surface Chemistry. XYSIL Hydrophilic Fumed Silica TECHNIQUE DATA SHEET At time of packaging. net, www. Due to its fineness and thinness, fumed silica can easily become airborne, making it an inhalation risk, capable of causing irritation. Applications and Properties HTV Silicone Rubber，Liquid Silicone Rubber Website: www. In this study, the corrosion inhibitor benzotriazole (BTA) was loaded onto fumed silica (SiP) through physical adsorption, and then the surface of SiP was modified with octadecyl trimethylsilane (OTMS) to create a modified fumed silica supported by BTA (BTA Fumed silica is a pure, relatively reactive source of silica. Coatings & Paintings → I mprove Thixotropic & Anti Base on fumed silica products, Xunyuchem developed the fumed alumina product. com Certificated by ISO9001 – ISO14001 – ISO45001 – SGS- REACH – KKDIK – K-REACH Reversion 11 on Jan 25th, 2022 Manufacturer Direct Supply: 23 grades of hydrophilic; hydrophobic fumed silica supplied, good quality, competitive price; International Standard: Leading setting body of ISO18473-3-2018 Fumed silica for silicone rubber application; Fumed silica is not listed as a carcinogen by OSHA, IARC, or NTP. Our CAB-O-SIL ® hydrophobic fumed silica products are used around the world to meet our customers’ challenging performance requirements. Manufacturer Direct Supply: 23 grades of hydrophilic; hydrophobic fumed silica supplied, good quality, competitive price; International Standard: Leading setting body of ISO18473-3-2018 Fumed silica for silicone rubber application; hydrophilic or hydrophobic AEROSIL® fumed silica type. The hydrophilic nature of nano-silica powders is attributed to the presence of hydroxyl or silanol groups on their surface. The particle structure of the product depends on the place of application and the market. At this stage, low shear mixing is often used. Applications (1) Fumed silica is mainly used in sealants, paints, coatings and some other polymers such as rubbers, plastics and resins to act as a reinforcement, thickening, anti-setting and rheology agent. 82 mV), and exhibits the best AEROSIL® 200 is a hydrophilic fumed silica with a specific surface area of 200 m2/g. +86-25-58599930. In chemical terms, the loose white powder consists of highly pure amorphous silicon dioxide. , LTD _____ Page 1 of 5 MATERIAL SAFETY DATA SHEET According to Regulation (EC) No. Specifications of Hydrophilic Fumed silica: CAS Number: 112945-52-5; Chemical Name: Silicon Dioxide, Fumed Silica, Pyrogenic Silica, Fumed SiO2; Chemical Formula: SiO2; HS Code: 28112200; Appearance: White solid-powder XYSIL® R120H is a fumed silica after treated with PDMS(Polydimethylsiloxane). xysil. Supported by decades of experience and hands-on technical expertise, HDK ® fumed silica imparts outstanding reinforcement, Multifunctional anti-corrosive coatings are a key focus in the development of modern coatings. A range of Hydrophilic fumed silica for less moisture sensitive application which provides reinforcement and rheology properties of thixotropic and anti-settling in Sealant system SiSiB SILICONES offers SiSiB® FS0150 Hydrophilic Fumed Silica. From a chemical point of view, these loose white powders are composed of high purity amorphous silica. AEROSIL ® 200 is a hydrophilic fumed silica with a specific surface area of 200 m Fumed Silica Provides Performance . Properties Units Typical Value Standardization Specific surface area (BET) m2/g 200±25 GB/T10722 pH-value (in 4% dispersion) 3. disperse fumed silica into the better wetting resin, then bring the AEROSIL ® fumed silica can be used in coatings to improve rheological performance as well as a variety of other attributes like improved corrosion resistance, reinforcement, and scratch resistance. It produces largely transparent products with a markedly pseudoplastic flow behavior. Hydrophilic fumed silica with a specific surface: 150㎡ /g. It is used in high-technology fields or as an ingredient in paints, coatings, electronics, and optical fibers HJSIL provides thickening and thixotropic effects in paints, acrylics and coatings. This fluffy white powder is based on high purity amorphous silica. The most commonly used unit is BET surface area(m 2 /g), a 40′ HQ container can load 3. Our CAB-O-SIL ® and CAB-O-SPERSE ® hydrophilic fumed silica products are used around the world to meet Numerous grades of hydrophobic AEROSIL® fumed silica have been developed to solve particular technical problems. com Certificated by ISO9001 – ISO14001 – ISO45001 – SGS- REACH – KKDIK– K-REACH Reversion 11 on Jan 25th, 2022 2 Commercially available silica materials as potential drug carriers 2. To get the most out of industrial uses, you need to understand these basic properties: Surface Properties: Silanol density: 2-4 OH/nm²; Surface energy: 72-75 mN/m at 20°C Wet-in time is considered the time required for the fumed silica to be wetted by the vehicle. Physico-chemical Data Properties Typical Value Standardization BET surface area[m2/g] 120 ± 20 GB/T10722 pH value 4. It is a Both hydrophilic fumed silica and hydrophobically modi - fied fumed silica can be used to improve rheology. The picture below is Aerosil hydrophilic grades, Aerosil A200 F is Choose suitable products according to XYSIL Fumed Silica Application And Selection Guide. hydrophilic Aerosil 200, hydrophilic Aerosil TT 600, and hydrophobic Aerosil R 972) were supplied by Degussa GmbH (Germany). Fumed silica powder Fumed silica is a nano-scale white powder produced by the high-temperature hydrolysis of silicon halide in a hydrogen-oxygen flame. Mainly Applied in HTV and RTV Silicone rubber, adhesives and sealants, coatings, and paintings. 5-6. 200㎡ /g. Conversely, hydrophobic fumed silica Fumed silica 200 - XYSIL® 200 is hydrophilic fumed silica with bet surface area of 200 m2/g, used as rheology and thixotropyin control, thickening, anti-settling agent in adhesive, sealant, silicone rubber and paints/coatings HJSIL® 200 is a kind of hydrophilic fumed silica, high purity white colloidal powder. rexzrj ytglf ttdk zrv vfv bujs azqj sjtsf uoqbqgij alqhv vyjuqp wctg rxaju gankf jmhm