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DOWSIL 3362 Insulating Glass Sealant

Two-part silicone sealant for insulating glass units.

DOWSIL 3362 Insulating Glass Sealant is a high-performance two-part silicone sealant designed specifically for use as a secondary sealant in insulating glass units. With its exceptional adhesion to various substrates, it ensures durability and reliability in diverse applications. This product meets rigorous standards, offering excellent temperature stability and resistance to environmental factors.
It is easy to mix and apply, making it suitable for both residential and commercial insulation needs.

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Technical Details

DOWSIL 3362 Insulating Glass Sealant is intended for use as a secondary sealant in dual sealed insulating glass units. Its high-performance features make it suitable for various applications, including:
– Insulating glass units for residential and commercial use.
– Insulating glass units with high levels of UV exposure (free edge, greenhouse, etc.).
– Insulating glass units incorporating specialty glass types.
– Insulating glass units where high heat or humidity may be encountered.
– Insulating glass in cold climates.
– Insulating glass units used in structural glazing.
DOWSIL 3362 Insulating Glass Sealant offers numerous advantages that enhance its performance and suitability for a wide range of applications. These benefits make it an ideal choice for professionals in the construction and contracting industry:
– Outstanding adhesion to various substrates, including coated and reflective glasses, aluminum and steel spacers, and different plastics.
– Structural capability as a secondary sealant for insulating glass units used in structural glazing.
– CE Marked according to ETAG 002, ensuring compliance with sealant requirements according to EN1279 parts 4 and 6 and EN13022.
– Low water absorption, contributing to longevity and durability.
– Excellent temperature stability, performing effectively from -50°C to 150°C.
– High mechanical properties with a high modulus, adding strength to the application.
– Non-corrosive cure, making it safe for use with various materials.
– Fast curing time, allowing for increased productivity on the job site.
– Exceptional resistance to ozone and ultraviolet (UV) radiation, ensuring long-term performance in exposed environments.
– Stable viscosity for both components with no heating required, simplifying the mixing process.
– Availability of different grey shades to suit aesthetic requirements (please refer to our color card).
DOWSIL 3362 Insulating Glass Sealant has been extensively tested and offers a range of technical specifications that highlight its performance characteristics and capabilities:
Test Property Unit Result
Color and consistency (Base) – Viscous white paste
Specific gravity (Base) – 1.32
Viscosity (60s) (Base) Pa.s 52.5
Color and consistency (Curing agent) – Clear / black / grey paste
Specific gravity (Curing agent) – 1.05
Viscosity (60s) (Curing agent HV) Pa.s 3.5
Viscosity (60s) (Curing agent HV/GER) Pa.s 7.5
Color and consistency (As mixed) – White / black / grey non-slump paste
Working time (25°C, 50% R.H.) minutes 5–10
Snap time (25°C, 50% R.H.) minutes 35–45
Specific gravity (As mixed) – 1.30
Corrosiveness – Non-corrosive
Tensile strength (ISO 8339) MPa 0.89
Tear strength (ASTM D0412) kN/m 6.0
Elongation at break (ISO 8339) % 90
Durometer hardness, Shore A (EN 1279-6) – 41
Design stress in tension (ETAG 002) MPa 0.14
Design stress in dynamic shear (ETAG 002) MPa 0.11
Elastic modulus in tension or compression MPa 2.4
Water vapor permeability (EN 1279-4 annex C) g/m²/24h 15.4
Thermal conductivity (DIN 52612) W/(m.K) 0.27
DOWSIL 3362 Insulating Glass Sealant is specifically designed for use as a secondary sealant in dual sealed insulating glass units. Its high-performance features make it suitable for various applications, ensuring optimal performance and reliability.
Residential and Commercial Use:
DOWSIL 3362 is ideal for insulating glass units in both residential and commercial settings, providing effective insulation and durability.
High UV Exposure:
This sealant is suitable for insulating glass units that experience high levels of UV exposure, such as free edge applications and greenhouses, ensuring long-lasting performance under challenging conditions.
Specialty Glass Types:
DOWSIL 3362 can be used effectively with insulating glass units incorporating specialty glass types, accommodating a wide range of project requirements.
High Heat or Humidity Environments:
The sealant performs excellently in environments where high heat or humidity may be encountered, making it versatile for different climatic conditions.
Cold Climates:
DOWSIL 3362 is also effective in insulating glass applications in cold climates, ensuring energy efficiency and thermal comfort.
Structural Glazing:
This product can be utilized in insulating glass units employed in structural glazing, offering the necessary strength and reliability for demanding applications.
DOWSIL 3362 Insulating Glass Sealant is available in various packaging options:
– DOWSIL 3362 Insulating Glass Sealant Base: 250 kg drums and 20 liter pails.
– DOWSIL 3362 Insulating Glass Sealant Catalyst: 25 kg pails.
– Curing agent available in black and clear, as well as a variety of grey shades. Custom colors may be available on request.

If you have any questions regarding the warranty for DOWSIL 3362 Insulating Glass Sealant, please contact our SMCC team for more information. We are available through various contact methods provided on this page.

Product FAQ

To properly mix DOWSIL 3362 sealant, combine the base and curing agent in a ratio of 10:1 by weight or 8:1 by volume. Thoroughly mix until uniform, using an airless mixing system for optimal results. Avoid exceeding 11:1 to 9:1 by weight or 8.8:1 to 7.2:1 by volume for best performance.
DOWSIL 3362 can bond to coated and reflective glasses, aluminum and steel spacers, and a variety of plastics.
The working time for DOWSIL 3362 is 5–10 minutes, with a snap time of 35–45 minutes at 25°C and 50% relative humidity.
DOWSIL 3362 can be used as a secondary sealant in structural glazing, but it should not be applied for structural glazing of glass units onto a metal frame. For that application, DOWSIL 993 Structural Glazing Catalyst is recommended.
Yes, DOWSIL 3362 is effective for cold climates, ensuring energy efficiency and thermal comfort in insulating glass applications.
Yes, DOWSIL 3362 can be used as a secondary sealant in structural glazing applications.

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DOWSIL 3362 Insulating Glass Sealant