Two-component, addition-cure silicone adhesive system offering low viscosity and excellent flow control for precision dispensing.
Fast room-temperature cure with optional heat acceleration—achieves handling strength in under 30 minutes at 25°C.
Exceptional adhesion to challenging substrates including plastics (e.g., polycarbonate, PBT), metals, and glass without primers.
UL 94 V-0 rated for flame retardancy and compliant with RoHS and REACH regulatory requirements.
High thermal stability with continuous service temperature range from –55°C to +180°C.
Automotive electronic module bonding and potting, including sensors and control units.
LED lighting assembly—optical bonding of lenses, reflectors, and heat sinks.
Industrial IoT device encapsulation requiring environmental sealing and vibration damping.
Medical diagnostic equipment assembly where biocompatibility and low outgassing are critical.
Consumer electronics housing and display bonding for wearables and smart home devices.
| Chemical Type | Platinum-catalyzed addition-cure silicone |
| Product Form | Two-part kit (Part A: base; Part B: catalyst) |
| Appearance | Part A: translucent viscous liquid; Part B: translucent liquid |
| Mix Ratio by Weight | 10:1 (A:B) |
| Cure Mechanism | Room temperature or elevated temperature (e.g., 60–120°C) |
| Shelf Life (Unopened) | 12 months at ≤25°C, dry, unopened containers |
| Primary Applications | Bonding, sealing, and potting of electronic assemblies |
| Key Features | Low shrinkage, no by-products, excellent dielectric properties |
Q1: What is the primary curing mechanism of the DOWSIL SE 1720 CV Kit?
A: The DOWSIL SE 1720 CV Kit is a two-part addition-cure silicone adhesive system that cures at room temperature upon mixing its Part A (base) and Part B (catalyst). It does not require heat or UV light for cure, though elevated temperatures may accelerate the process.
Q2: Is this adhesive suitable for bonding dissimilar substrates such as metal, glass, and engineered plastics?
A: Yes — the DOWSIL SE 1720 CV Kit offers excellent adhesion to a broad range of substrates including aluminum, stainless steel, glass, ceramics, and many thermoplastics and thermosets, especially when appropriate surface preparation (e.g., cleaning and optional priming) is performed.
Q3: How does the viscosity and pot life of this kit support manual or semi-automated dispensing?
A: With a balanced viscosity profile and a typical working time (pot life) of several hours at room temperature after mixing, the SE 1720 CV Kit supports both manual application and meter-mix-dispense systems commonly used in assembly operations. Its thixotropic character helps minimize sag on vertical surfaces.
Q4: Can this adhesive withstand prolonged exposure to thermal cycling and environmental aging?
A: Yes — as a high-performance addition-cure silicone, it retains flexibility, adhesion, and mechanical integrity across wide temperature ranges and demonstrates good resistance to humidity, ozone, and UV exposure over extended service life.
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