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Accelerates cure kinetics of platinum-catalyzed silicone elastomers without compromising pot life.
Enables faster demolding and higher throughput in high-volume liquid silicone rubber (LSR) processing.
Maintains excellent mechanical properties and thermal stability in cured elastomer systems.
Compatible with standard SILASTIC® LSR formulations and common platinum catalysts.
Low volatility and non-staining—suitable for medical, optical, and sensitive surface applications.
Automotive gaskets, seals, and under-hood components requiring rapid cycle times.
Medical device components, including syringe plungers and respiratory interfaces.
Consumer electronics enclosures and soft-touch overmolded parts.
Industrial fluid-handling seals and diaphragms exposed to dynamic service conditions.
Optical-grade lenses and light guides where clarity and low extractables are critical.
| Chemical Type | Platinum-based accelerator complex |
| Product Form | Liquid |
| Appearance | Clear, pale yellow liquid |
| Primary Applications | Acceleration of LSR curing in injection molding and compression molding |
| Key Features | Cure acceleration, compatibility with Pt catalysts, low volatility |
| Benefits | Reduced cycle time, improved productivity, retained elastomer performance |
| Storage Conditions | Store at 5–25 °C in sealed containers; protect from moisture and direct sunlight |
| Shelf Life | 12 months from date of manufacture when stored properly |
Q1: What is the primary function of Dow SILASTIC LTC 9400 in silicone elastomer systems?
A: Dow SILASTIC LTC 9400 is a platinum-catalyzed addition-cure acceleration additive designed to significantly reduce cure time and lower required cure temperatures in high-consistency rubber (HCR) and liquid silicone rubber (LSR) formulations—without compromising final physical properties or thermal stability.
Q2: Is Dow SILASTIC LTC 9400 compatible with all types of platinum-catalyzed silicone systems?
A: It is specifically formulated for use in platinum-catalyzed addition-cure silicone elastomers, including both HCR and LSR. Compatibility should be verified experimentally in each unique formulation, as performance may vary depending on inhibitor type, base polymer structure, and presence of fillers or other additives.
Q3: How is Dow SILASTIC LTC 9400 typically incorporated into a silicone formulation?
A: It is generally added during the mixing stage—either with the base polymer or catalyst component—and is fully dispersible in standard silicone processing equipment. Dosage depends on formulation requirements but is typically used at low concentrations to achieve measurable acceleration effects.
Q4: Does Dow SILASTIC LTC 9400 affect the shelf life or pot life of uncured silicone compounds?
A: When properly formulated, it does not adversely impact ambient storage stability. However, its accelerating effect becomes active upon heating, so thermal history and processing temperature profiles must be controlled to maintain predictable working time and avoid premature onset of cure.
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