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Highly selective acid catalyst for mild and controlled alkylation reactions.
Thermally stable solid with low dust generation, supporting safe handling and metering.
Regenerable and reusable under optimized process conditions, enhancing operational economy.
Non-corrosive alternative to liquid mineral acids, reducing equipment maintenance and waste disposal burden.
Consistent batch-to-batch performance due to stringent Clariant manufacturing quality control.
Fine chemical synthesis, including fragrance and pharmaceutical intermediate production.
Alkylation of aromatics (e.g., benzene, toluene) in specialty solvent manufacturing.
Dehydration and esterification reactions in agrochemical active ingredient synthesis.
Condensation reactions for high-purity resin precursors and polymer modifiers.
Clean catalysis in edible oil derivative processing, compliant with food-contact relevant guidelines.
| Chemical Type | Activated clay-based solid acid catalyst |
| Product Form | Granular pellets (1.5–3.0 mm diameter) |
| Appearance | Light grey to beige free-flowing granules |
| Primary Applications | Alkylation, esterification, dehydration, condensation |
| Key Features | Non-leaching, thermally stable up to 250 °C |
| Benefits | Reduced corrosion risk, simplified separation, lower EHS footprint |
| Storage Conditions | Keep dry at ambient temperature; protect from moisture |
| Regulatory Status | REACH registered; compliant with EU GMP principles for catalysts |
Q1: What is the primary function of Tonsil APT-mX in polymer processing?
A: Tonsil APT-mX is a high-activity, acid-activated bentonite-based catalyst designed to promote controlled crosslinking and condensation reactions—particularly in silicone rubber and RTV formulations—enhancing cure speed, final mechanical properties, and thermal stability without compromising process safety.
Q2: How does Tonsil APT-mX differ from standard clay-based catalysts?
A: Unlike conventional bentonites, Tonsil APT-mX undergoes a proprietary activation and surface modification process that significantly increases its Lewis acidity and dispersion efficiency in non-polar polymer matrices—resulting in more uniform catalytic activity, reduced batch variability, and improved compatibility with sensitive organosilicon systems.
Q3: Is Tonsil APT-mX suitable for food-contact or medical-grade silicone applications?
A: Tonsil APT-mX is formulated for industrial and technical silicone applications. While it meets general purity requirements for elastomer manufacturing, its suitability for regulated end uses—including food contact or medical devices—must be confirmed through full system validation by the compounder, including extractables testing and regulatory review per applicable regional frameworks.
Q4: What are the recommended handling and storage conditions?
A: Store in original sealed packaging under dry, cool conditions (below 30 °C) and protect from moisture and direct sunlight. Due to its hygroscopic nature, minimize exposure to ambient humidity during handling—use closed-system feeding where possible and avoid prolonged open-container storage.
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E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
