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High thermal stability enabling reliable operation under demanding hydroprocessing conditions.
Optimized metal dispersion for superior hydrogenation and desulfurization activity.
Tailored pore structure facilitating efficient diffusion of bulky feed molecules.
Robust mechanical strength minimizing attrition during fixed-bed reactor operation.
Consistent batch-to-batch performance validated through rigorous quality control protocols.
Hydrodesulfurization (HDS) of diesel and gas oil streams.
Hydrodenitrogenation (HDN) in refinery hydrotreating units.
Hydrodearomatization (HDA) for low-aromatic transportation fuels.
Renewable diesel production from hydrotreated vegetable oils and used cooking oil.
Upgrading of heavy fractions in integrated hydroprocessing configurations.
| Chemical Type | Cobalt-molybdenum on gamma-alumina support |
| Product Form | Extrudates (cylindrical, 1.5–2.0 mm diameter) |
| Appearance | Black, free-flowing cylindrical pellets |
| Primary Applications | Hydrodesulfurization, hydrodenitrogenation, hydrodearomatization |
| Key Features | High metal dispersion, optimized acidity, controlled pore size distribution |
| Benefits | Extended catalyst life, improved product quality, reduced hydrogen consumption |
| Storage Conditions | Store in dry, well-ventilated area; avoid exposure to moisture or air prior to sulfiding |
Q1: What is the primary function of the HyMax Series catalysts in polymer processing?
A: The HyMax Series catalysts are designed to enhance crosslinking efficiency and improve thermal stability during high-temperature polymer processing—particularly in peroxide-cured elastomers and thermoset systems. They help achieve more consistent cure profiles and reduce scorch sensitivity without compromising final mechanical properties.
Q2: Are HyMax catalysts compatible with common elastomeric matrices such as EPDM, silicone, and fluoroelastomers?
A: Yes, HyMax catalysts demonstrate broad compatibility across saturated and unsaturated elastomer systems, including EPDM, silicone, FKM, and ACM. Performance optimization may require formulation adjustment depending on base polymer polarity, filler content, and curing system composition.
Q3: How should HyMax catalysts be incorporated into a compound?
A: HyMax catalysts are typically added during the final mixing stage—after base polymer, fillers, and curatives—to ensure uniform dispersion and minimize premature reactivity. They are supplied as free-flowing powders or masterbatches and are generally used at low concentrations, with dosage depending on formulation requirements and desired cure kinetics.
Q4: Do HyMax catalysts require special handling or storage conditions?
A: HyMax catalysts should be stored in cool, dry conditions away from direct sunlight and moisture. While they are stable under normal ambient handling, prolonged exposure to high humidity or elevated temperatures may affect dispersibility and performance consistency over time.
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