High‑Porosity Precipitated Silica Carrier is high‑oil‑absorption precipitated silica as direct replacement for SIPERNAT 45S. Its abundant internal pore structure enables effective adsorption and immobilization of liquid active components. It converts liquid catalyst or liquid additives into free‑flowing solid powder, prevents caking, simplifies powder‑formula processing for chemical, agrochemical and additive manufacturing.
Product Overview High‑Porosity Precipitated Silica Carrier (CAS 112926‑00‑8, SIPERNAT 45S Equivalent) is precipitated amorphous silica featuring well‑developed internal porous network. The high pore volume and large specific surface area endow this silica with outstanding liquid‑adsorption capacity. When blended with liquid catalyst, liquid additives or oily active substances, the porous framework absorbs and locks liquid components inside silica pores. It transforms oily liquids into dry, free‑flowing solid powder, effectively suppressing agglomeration and caking during storage and transportation. This silica carrier simplifies metering and compounding operations for powder‑based formulations. It is widely used as adsorbent carrier for agrochemicals, industrial catalyst systems and specialty additive premix production.
Key Features ‑ Well‑developed porous structure provides high liquid‑adsorption and loading capacity ‑ Converts liquid active ingredients into free‑flowing solid powder, reducing caking risk ‑ Facilitates accurate metering and homogeneous blending in powder premix formulations ‑ Good chemical inertness, no undesirable interaction with most active additives and catalysts ‑ Direct functional equivalent grade for SIPERNAT 45S high‑porosity silica carrier
Typical Technical Properties ‑ Chemical Type: High‑porosity precipitated amorphous silica ‑ Appearance: White free‑flowing fine powder ‑ BET Surface Area: Refer to TDS ‑ Oil Absorption Value: Refer to TDS ‑ Median Particle Size: Refer to TDS
Applications ‑ Agrochemical premix: Adsorbent carrier for liquid pesticide and adjuvant conversion to solid powder ‑ Industrial catalyst production: Inorganic supporting carrier for liquid catalyst components ‑ Specialty additive plant: Free‑flow modifier for oily additive powder premixes ‑ Chemical formulation workshop: High‑porosity silica adsorbent for solidification of oily actives
Processing Recommendation Add high‑porosity precipitated silica carrier into the mixing vessel first, then slowly meter liquid active ingredients under continuous stirring. Control the maximum liquid loading ratio according to oil‑absorption data. Conduct small‑scale adsorption trials before bulk production of solid premix.
Storage & Handling Store in cool, dry warehouse, protect from moisture. Reseal packaging immediately after opening. Wear dust‑proof mask and protective gloves when handling fine silica powder.

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