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

Dow DOWSIL SE 9186 Sealant

Dow DOWSIL SE 9186 Sealant is a high-performance silicone-based adhesive sealant from Dow’s DOWSIL SE series, engineered for durable bonding and sealing of glass, metal, and plastics in architectural and industrial applications, offering excellent UV resistance, thermal stability, and low VOC emissions.
  • dow dowsil se 9186 sealant_a9fda551
  • dow dowsil se 9186 sealant_a9fda551

Features Of Dow DOWSIL SE 9186 Sealant

  1. High-performance silicone elastomer sealant with excellent adhesion to glass, aluminum, and coated metals without primer.

  2. Fast skin-over and cure-on-exposure to atmospheric moisture, enabling rapid handling and reduced production cycle times.

  3. Outstanding resistance to UV radiation, ozone, and extreme temperatures (–40 °C to +150 °C continuous service).

  4. Low modulus elasticity for superior joint movement accommodation (±25% movement capability).

  5. Non-corrosive formulation compatible with sensitive substrates including anodized aluminum and architectural glazing systems.

Typical Applications Of Dow DOWSIL SE 9186 Sealant

  1. Structural and peripheral bonding of insulating glass units (IGUs) in commercial façades and curtain walls.

  2. Weathersealing of aluminum-framed windows, doors, and skylights in high-rise and low-rise building envelopes.

  3. Sealing joints between dissimilar materials in architectural precast concrete and metal panel systems.

  4. Secondary sealing in dual-seal IGU manufacturing processes where compatibility with polyisobutylene (PIB) primary seal is required.

  5. Interior and exterior perimeter sealing of vision glass and spandrel panels in LEED-certified construction projects.

Specifications Of Dow DOWSIL SE 9186 Sealant

Chemical TypeAcetoxy-cure silicone elastomer
Product FormThixotropic paste, single-component
AppearanceOff-white to light gray, smooth paste
Primary ApplicationsArchitectural glazing, insulating glass unit (IGU) secondary seal, façade joint sealing
Key FeaturesPrimerless adhesion, UV-stable, non-corrosive, low-modulus elasticity
Shore A Hardness (7 days, 23°C/50% RH)25–35
Joint Movement Capability±25% (ISO 11600 Class 25 HM)
VOC Content<5 g/L (compliant with EU Directive 2004/42/EC)


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