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

Wacker ELASTOSIL 7750 N One-Component Silicone Sealant

Wacker ELASTOSIL 7750 N is a one-component platinum-cured silicone sealant offering excellent adhesion to plastics and metals without primers. It cures rapidly at room temperature with low shrinkage and outstanding thermal stability from −60°C to +200°C. Ideal for automotive, electronics, and medical device assembly where reliability and biocompatibility matter.
  • wacker elastosil 7750 n one component silicone sealant_7fa6b79a
  • wacker elastosil 7750 n one component silicone sealant_7fa6b79a

Features Of Wacker ELASTOSIL 7750 N One-Component Silicone Sealant

  1. Neutral-cure, acetoxy-free formulation ensures excellent compatibility with sensitive substrates including metals, plastics, and painted surfaces.

  2. High elasticity and permanent flexibility over a wide temperature range (–60 °C to +180 °C).

  3. Excellent resistance to weathering, UV radiation, ozone, and aging without loss of mechanical properties.

  4. Low modulus design provides superior stress relief in dynamic joints and accommodates high movement capability (±35%).

  5. Ready-to-use one-component system with moisture-curing mechanism—no mixing required and easy application.

Typical Applications Of Wacker ELASTOSIL 7750 N One-Component Silicone Sealant

  1. Sealing and bonding in automotive lighting assemblies (headlamps, tail lamps).

  2. Encapsulation and potting of electronic components and sensors requiring long-term reliability.

  3. Joint sealing in precision optical and medical device housings.

  4. Assembly sealing for HVAC components exposed to thermal cycling and humidity.

  5. Adhesive-sealant applications in high-cleanliness industrial equipment and cleanroom environments.

Specifications Of Wacker ELASTOSIL 7750 N One-Component Silicone Sealant

Chemical TypePlatinum-cured addition-cure silicone
Product FormPaste-like, thixotropic one-component compound
AppearanceOpaque off-white to light gray paste
Primary ApplicationsSealing, bonding, and encapsulation in demanding technical applications
Key FeaturesNeutral cure, low modulus, high elongation, excellent adhesion without primer on many substrates
Shore A Hardness (7 days, 23 °C, 50% RH)25–30
Elongation at Break (7 days)≥450%
Curing Depth (24 h, 23 °C, 50% RH)Approx. 2–3 mm


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