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Highly flexible silicone-organic hybrid elastomer offering exceptional elongation and recovery.
Excellent adhesion to diverse substrates including plastics, metals, and painted surfaces without primer.
Outstanding resistance to thermal cycling, UV exposure, and environmental aging.
Low compression set for long-term sealing performance in dynamic applications.
Ready-to-use liquid formulation with adjustable viscosity for optimized processing (e.g., dispensing, molding).
Automotive interior trim bonding and vibration-damping gasketing.
Consumer electronics: soft-touch overmolding, speaker grille seals, and housing assembly.
Appliance encapsulation for control panels and touch-sensitive interfaces.
Medical device housings requiring biocompatibility-supporting materials and tactile feedback.
Industrial sensors and actuators requiring durable, compliant interface materials.
| Chemical Type | Silicone-organic hybrid elastomer |
| Product Form | Two-component liquid (Part A + Part B) |
| Appearance | Opaque, viscous liquid (Part A); translucent, low-viscosity liquid (Part B) |
| Primary Applications | Bonding, sealing, damping, and soft-touch overmolding |
| Key Features | Primerless adhesion, high elasticity, thermal stability up to 150°C |
| Benefits | Reduced assembly steps, improved durability in cyclic loading, RoHS compliant |
| Cure Mechanism | Platinum-catalyzed addition cure |
| Shelf Life | 12 months at 25°C (unopened, original packaging) |
Q1: What is the primary function of DOWSIL EL-8050 ID in silicone formulations?
A: DOWSIL EL-8050 ID functions as a silicone organic elastomer designed to enhance elasticity, soft-touch feel, and surface smoothness in cured silicone systems—particularly in personal care, medical device coatings, and specialty elastomeric gels.
Q2: Is DOWSIL EL-8050 ID compatible with both addition-cure and condensation-cure silicone systems?
A: Yes, it demonstrates broad compatibility with platinum-catalyzed (addition-cure) and tin-catalyzed (condensation-cure) silicone systems, though optimal performance is typically achieved when incorporated into fully formulated base polymers prior to crosslinking.
Q3: How does DOWSIL EL-8050 ID affect processing behavior, such as viscosity or pot life?
A: It generally reduces viscosity in uncured formulations, improving flow and mold fill characteristics, while having minimal impact on pot life when used at typical dosage levels. Processing adjustments may be needed depending on overall formulation complexity and shear history.
Q4: Can DOWSIL EL-8050 ID be used in applications requiring skin contact or biocompatibility?
A: While not pre-certified for specific regulatory pathways, DOWSIL EL-8050 ID is formulated without known sensitizers or high-risk extractables and is commonly evaluated by customers for use in dermal-contact applications—including wearable devices and cosmetic-grade elastomers—subject to end-product testing and validation.
Q5: What is the recommended method for incorporating DOWSIL EL-8050 ID into a silicone compound?
A: It is best added during the mixing stage under moderate shear, either before or after filler incorporation, ensuring uniform dispersion. Pre-blending with a portion of the base polymer can aid homogeneity, especially in high-viscosity systems.
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