Two-part, addition-cure silicone adhesive system offering excellent adhesion to metals, plastics, and glass without primers.
Low modulus formulation provides high flexibility and superior stress relief for bonded assemblies subjected to thermal cycling.
UL 94 V-0 rated for flame retardancy, supporting compliance in demanding electronic and transportation applications.
Operating temperature range from –55 °C to +200 °C, with short-term resistance up to 250 °C.
Low outgassing and low ionic contamination, meeting NASA ASTM E595 requirements for space-grade applications.
Bonding and sealing of LED lighting modules and heat sinks in outdoor and high-temperature environments.
Structural assembly of automotive sensors, power electronics, and battery module components.
Attachment of optical lenses and housings in medical imaging and aerospace instrumentation.
Die attach and encapsulation for high-reliability microelectronic packaging requiring thermal stability and electrical insulation.
Repair and bonding of composite and metal substrates in industrial equipment subject to vibration and thermal fatigue.
| Chemical Type | Platinum-catalyzed addition-cure silicone |
| Product Form | Two-component kit (Part A: base; Part B: catalyst) |
| Appearance | Part A: translucent off-white paste; Part B: translucent light-gray paste |
| Primary Applications | Structural bonding, thermal interface bonding, and environmental sealing |
| Key Features | Flame retardant, low modulus, primerless adhesion, high thermal stability |
| Benefits | Reduces assembly complexity, improves long-term reliability under thermal cycling, supports RoHS and REACH compliance |
| Cure Mechanism | Room temperature cure (accelerated with mild heat: 1–2 hours at 80 °C) |
| Shelf Life | 12 months at ≤25 °C in unopened containers |
Q1: What is the typical mixing ratio of Part A to Part B in the DOWSIL 96-083 kit?
A: The kit is supplied as a two-component system with a pre-measured 1:1 volumetric ratio, designed for simple, accurate manual or automated dispensing without additional weighing or metering.
Q2: How long does it take for DOWSIL 96-083 to achieve handling strength and full cure?
A: Handling strength is typically reached within 1–4 hours at room temperature, while full cure—achieving optimal adhesion, flexibility, and environmental resistance—generally requires 24–72 hours depending on ambient humidity, temperature, and bond line thickness.
Q3: Is DOWSIL 96-083 suitable for bonding dissimilar substrates such as silicone rubber to metal or plastic?
A: Yes, it is specifically formulated to provide strong, durable adhesion between high-consistency silicone rubbers (HCR) and a broad range of substrates including stainless steel, aluminum, polycarbonate, and ABS—without requiring primers in most standard applications.
Q4: Can DOWSIL 96-083 be used in medical device assembly?
A: While the adhesive exhibits biocompatibility-relevant properties such as low extractables and thermal stability, it is not pre-certified to ISO 10993 or USP Class VI. End-use qualification—including compatibility testing with specific device materials and sterilization methods—is required prior to medical application.
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