The Best Places to Buy hydrophobic pyrogenic silica Online and In-Store

Hydrophobic fumed silica is an excellent material for thickening oils and polyols, as well as suspending particles in oils. Additionally, it can enhance thickening properties in the presence of polar solvents such as dipropylene glycol, triethyl citrate, or propylene carbonate. It can even form transparent gels in oils like mineral oil, castor oil, and various plant oils.

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How to Use Hydrophobic Fumed Silica

Integrate into the oil phase of any emulsion type or directly into oils to formulate oil-gels. A typical usage range is 0.1% to 30%, with oil-gel formation commonly occurring between 5-10% addition. Please note this product is for external use only.

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Product Details

Fumed silica Hydrophilic (with CAS number 112945-52-5), often referred to as pyrogenic silica due to its production in a flame, is composed of tiny droplets of amorphous silica that aggregate to form branched, chain-like, three-dimensional secondary particles. These then cluster into tertiary particles. The resulting powder boasts an exceptionally low bulk density and a high surface area. Its intricate three-dimensional structure imparts viscosity-increasing, thixotropic characteristics, making it perfect as a thickener or reinforcing filler. Fumed silica is ideal for use as a filler in adhesives and is compatible with polyester, vinylester, and epoxy resins.

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Where to Buy Hydrophobic Pyrogenic Silica – Questions and Answers

Here are some essential aspects to consider when purchasing hydrophobic pyrogenic silica:

Amazon and Online Marketplaces

Online giants like Amazon offer a wide selection of hydrophobic pyrogenic silica products. Consumers benefit from the convenience of home delivery and the chance to read user reviews. However, it's crucial to verify the product's authenticity and read about the seller's credibility.

Specialty Supplier Websites

Beyond large online marketplaces, niche supplier websites provide specialized products frequently accompanied by more detailed product information. Websites such as Hebei Silicon Research Electronic Materials Co., L offer expert advice and often have a support team to address your specific needs.

Local Chemical Supply Stores

For those who prefer in-person shopping, local chemical supply stores are a viable option. These stores often offer valuable face-to-face advice and immediate product availability. Check local directories to find a nearby supplier.

Industrial Supply Chains

Many industrial suppliers, like Grainger or MSC Industrial Supply Co., also stock hydrophobic pyrogenic silica. These suppliers usually cater to large-scale purchasers and offer bulk buying options which can be more economical.