Finding an exact equivalent to a specific product like Degussa OK520 silicon dioxide powder can be challenging,
especially without detailed specifications. However, several other manufacturers produce Fumed Silica products with
similar properties that may serve as alternatives. Here are a few options to consider:
Cabot Corporation: Cabot's fumed silica products, such as CAB-O-SIL® and CAB-O-SPERSE®, are widely used in
various applications including coatings, adhesives, sealants, and composites. Their fumed silica products come in
different grades and surface treatments to meet specific formulation needs.
Evonik Industries: Since Evonik is the successor to Degussa, their portfolio likely includes fumed silica products
similar to OK520. Products like AEROSIL® offer a range of fumed silica options with varying properties suitable for
diverse applications.
Wacker Chemie AG: Wacker offers HDK® fumed silica products known for their high purity and consistency. Their fumed
silica is utilized in coatings, adhesives, and sealants for enhancing rheology, thixotropy, and mechanical properties.
Tokuyama Corporation: Tokuyama's fumed silica products, sold under the brand name REOLOSIL®, are used in a wide
range of applications, including paints, coatings, and plastics. They offer various grades with different particle sizes and
surface treatments.
When searching for an alternative to Degussa OK520, consider factors such as particle size, surface area, surface treatment,
and compatibility with your formulation. Additionally, consult with the supplier to ensure that the selected fumed silica product
meets your specific requirements and performance expectations. Conducting trials and testing the alternative product in your
formulation may also be necessary to validate its suitability.
