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Integrated dual-function design combining catalytic activity with moisture scavenging capability.
Pre-filled, ready-to-use tube-and-stopper format ensures consistent dosing and eliminates handling risks.
Thermally stable formulation suitable for high-temperature polymerization and condensation processes.
Non-leaching, solid-phase catalyst system compliant with FDA 21 CFR §177.1520 for food-contact applications.
Hydrophobic desiccant component maintains catalytic efficiency in low-humidity and sealed environments.
Polyester and polyamide pre-polymer synthesis under inert atmosphere.
Moisture-sensitive condensation reactions in pharmaceutical intermediate manufacturing.
High-purity silicone curing systems requiring trace-water suppression.
Encapsulated LED packaging where catalytic curing must occur without hydrolysis side reactions.
Single-component epoxy formulations for aerospace adhesives and composites.
| Chemical Type | Titanium-based Lewis acid catalyst with integrated molecular sieve desiccant |
| Product Form | Pre-assembled glass tube with integrated desiccant stopper (standard: 5 mL / 10 mL / 25 mL) |
| Appearance | Transparent glass tube containing white granular desiccant and amber-colored catalytic insert |
| Primary Applications | Condensation polymerization, moisture-critical curing, and anhydrous synthesis |
| Key Features | Dual functionality (catalysis + desiccation), shelf-stable, non-volatile, no solvent required |
| Storage Conditions | Store at 15–25°C in original sealed packaging; protect from direct sunlight and ambient humidity |
| Handling Precautions | Wear nitrile gloves; avoid inhalation of dust during manual assembly (if opened) |
| Regulatory Compliance | REACH registered; RoHS compliant; meets ISO 9001:2015 manufacturing standards |
Q1: What is the primary function of this catalyst in tube and desiccant stopper applications?
A: This catalyst is specifically engineered to accelerate the crosslinking reaction during the high-temperature vulcanization of silicone elastomers used in pharmaceutical and medical-grade tubes and desiccant stoppers, supporting consistent cure profiles and improved mechanical integrity.
Q2: Is this catalyst compatible with platinum-cure (addition-cure) silicone systems?
A: Yes — it is formulated for use in platinum-catalyzed addition-cure silicone formulations, where it enhances scorch safety and provides controlled reactivity without interfering with the primary platinum catalytic cycle.
Q3: How should this catalyst be incorporated into a silicone compound?
A: It is typically added during the final mixing stage under controlled temperature and moisture conditions, often as a masterbatch or dry blend, to ensure uniform dispersion and avoid premature reaction or degradation.
Q4: Does this catalyst affect extractables or biocompatibility performance?
A: When used at recommended dosage levels and fully cured, it contributes to low extractable profiles suitable for pharmaceutical packaging components; however, final biocompatibility must be verified per application-specific regulatory pathways and end-use testing protocols.
Q5: What storage conditions are recommended to maintain catalyst stability?
A: Store in original sealed containers at cool, dry conditions below 25 °C, protected from humidity and direct sunlight; prolonged exposure to ambient moisture may reduce activity over time.
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E-mail: wangxingqiang@ericwchem.com
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