Maximum
Adsorption.

HC-200 is specifically engineered as a high-load adsorption platform that converts liquid feed additives — essential oils, organic acids, liquid vitamins, lipid-based nutrients — into stable, free-flowing dry powders. This conversion capability is critical for manufacturers who need to incorporate high concentrations of liquid actives into dry premix formulations without causing leakage, clumping, or handling difficulties.

The mechanism relies on HC-200's exceptionally high oil absorption capacity (≥320 g/100g) combined with its finer particle size (D50 5–8 μm). The reduced particle diameter provides a significantly higher specific surface area compared to HC-100, creating more adsorption sites for liquid molecules.

The critical difference from standard carriers is the hydrophobic pore wall treatment. In untreated silica, absorbed liquids can slowly migrate to the particle surface ("bleeding") due to the lack of a molecular barrier. HC-200's silane treatment creates a stable interface between the liquid active and the carrier matrix, locking the active in place while preventing moisture ingress from the environment. The result is a dry, free-flowing powder even at 65% liquid loading — with zero leakage.

HC-200 is engineered to achieve liquid loading ratios of up to 65% by weight — meaning that for every 100 kg of final product, up to 65 kg can be liquid active ingredient and only 35 kg is the hydrophobic silica carrier. This represents one of the highest loading ratios achievable with any silica-based carrier system in the global feed industry.

The maximum practical loading ratio depends on the specific liquid being adsorbed. For low-viscosity essential oils and solvents, loading ratios of 60–65% are routinely achieved with zero leakage. For higher-viscosity liquids (thick organic acid blends, lipid suspensions), the optimal loading range is typically 50–60%.

The ≥320 g/100g oil absorption capacity is the governing specification. Each 100 grams of HC-200 can absorb a minimum of 320 grams of standard reference oil. The finer D50 of 5–8 μm provides the surface area needed to achieve this capacity while maintaining the hydrophobic molecular shield that prevents bleeding.

For operations currently limited to 40–50% loading with conventional carriers, switching to HC-200 enables a significant reduction in carrier volume per unit of active ingredient, reducing shipping weight, storage space, and per-dose carrier cost.

Yes — organic acid concentration upgrades are one of the primary commercial applications for HC-200, and the product has been specifically validated for this use case. The most common scenario involves operations seeking to increase the active concentration of their organic acid products from standard levels (typically 60–65%) to premium concentrations (80–85%) while maintaining free-flowing powder characteristics.

This was demonstrated in Case #004, where a customer transitioned from 65% to 82% organic acid concentration using HC-200 as the carrier, achieving full free-flowing stability with no leakage, caking, or handling issues.

The business case for concentration upgrades is compelling. Higher-concentration products require less total material per ton of feed, reducing shipping costs, storage requirements, and handling labor. They also enable more precise dosing at low inclusion rates, improving formulation accuracy. For manufacturers selling organic acid products, premium concentration grades command higher market prices, directly improving margins.

HC-200's hydrophobic barrier also protects the organic acid from atmospheric moisture, which can dilute the product and reduce its antimicrobial efficacy during storage.