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

Dow SYLGARD 567 Non-Slump Silicone Encapsulant

Dow SYLGARD 567 Non-Slump Silicone Encapsulant is a two-part, platinum-cured silicone offering exceptional thermal stability, low modulus, and zero slump for vertical or overhead applications. Ideal for potting and encapsulation of sensitive electronics, it delivers excellent dielectric properties, moisture resistance, and long-term reliability without sagging or flow.
  • dow sylgard 567 non slump silicone encapsulant_1017f92a
  • dow sylgard 567 non slump silicone encapsulant_1017f92a

Features Of Dow SYLGARD 567 Non-Slump Silicone Encapsulant

  1. Non-slump, thixotropic formulation enables precise dispensing and vertical-surface application without sagging or slumping.

  2. Excellent thermal stability with continuous service temperature range from –65 °C to +200 °C.

  3. Low modulus silicone elastomer provides superior stress relief for sensitive electronic components.

  4. RTV (room-temperature vulcanizing) two-part system with 1:1 mix ratio by volume for simplified processing.

  5. UL 94 V-0 rated for flame resistance, supporting compliance in safety-critical applications.

Typical Applications Of Dow SYLGARD 567 Non-Slump Silicone Encapsulant

  1. Encapsulation of power electronics, including IGBT modules and inverters.

  2. Protection of LED drivers and high-brightness LED assemblies exposed to thermal cycling.

  3. Conformal coating and potting of automotive sensors operating under under-hood conditions.

  4. Dielectric encapsulation of high-voltage transformers and busbar connections.

  5. Moisture and vibration protection for aerospace avionics and control units.

Specifications Of Dow SYLGARD 567 Non-Slump Silicone Encapsulant

Chemical TypePlatinum-cured addition-cure silicone elastomer
Product FormTwo-component liquid (Part A & Part B)
AppearancePart A: Translucent viscous liquid; Part B: Translucent viscous liquid
Mix Ratio (by volume)1:1
Cure MechanismRoom-temperature vulcanization (RTV), moisture-insensitive
Hardness (Shore A, 7 days @ 25 °C)25–30
Dielectric Strength (kV/mm)≥18
UL RecognitionUL 94 V-0, UL 746C (Polymeric Materials – Electrical Equipment)


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