Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

Dow SYLGARD 577 Non-Slump Silicone Adhesive

Dow SYLGARD 577 Non-Slump Silicone Adhesive is a high-performance, thixotropic silicone sealant from Dow’s SYLGARD® series. It offers excellent adhesion to glass, metals, and plastics without sagging or slumping—ideal for vertical and overhead applications. Features low modulus, UV resistance, thermal stability (−40°C to 200°C), and rapid room-temperature cure. Meets ASTM C920 standards and is widely used in architectural glazing, solar panel assembly, and electronics encapsulation.
  • dow sylgard 577 non slump silicone adhesive_b0264fb4
  • dow sylgard 577 non slump silicone adhesive_b0264fb4

Features Of Dow SYLGARD 577 Non-Slump Silicone Adhesive

  1. Non-slump formulation maintains shape and position after dispensing, even on vertical or overhead surfaces.

  2. Room-temperature curing silicone adhesive with low modulus for stress relief in bonded assemblies.

  3. Excellent adhesion to a wide range of substrates including metals, plastics, glass, and ceramics.

  4. Superior resistance to thermal cycling, UV exposure, and moisture over extended service life.

  5. Low volatility and no corrosive by-products during cure — suitable for sensitive electronic and optical applications.

Typical Applications Of Dow SYLGARD 577 Non-Slump Silicone Adhesive

  1. Optical bonding of lenses, displays, and touch panels in consumer electronics and automotive HUDs.

  2. Structural attachment of sensors, housings, and thermal interface components in industrial equipment.

  3. Sealing and bonding of LED lighting modules requiring long-term reliability under thermal stress.

  4. Mounting of precision optical components in medical imaging and analytical instrumentation.

Specifications Of Dow SYLGARD 577 Non-Slump Silicone Adhesive

Chemical TypeTwo-part addition-cure silicone elastomer
Product FormPaste (Part A) and liquid catalyst (Part B)
AppearanceOff-white paste (Part A); colorless to pale yellow liquid (Part B)
Primary ApplicationsNon-slump bonding, optical assembly, thermal and vibration damping
Key FeaturesNon-sag, RTV, low modulus, high elongation, halogen-free
BenefitsMinimizes rework, eliminates post-dispense leveling steps, supports automated dispensing
Cure MechanismPlatinum-catalyzed hydrosilylation at room temperature
Shelf Life (Unopened)12 months at 25°C; refrigerated storage recommended for extended stability


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