Tremco Spectrem 2 10oz Cartridge White

Spectrem 2 is a high-performance, single-component, neutral-cure, medium-modulus silicone sealant ideal for a variety of perimeter caulking and glazing applications. Spectrem 2 may be used on substrates such as aluminum, glass, steel, painted metal, plastic, stone, concrete, and brick.

Medium Modulus
Excellent Adhesion
UV Resistant

$8.31

Availability: Out of stock

SKU

22354

Tremco Spectrem 2 – High-Performance, Medium-Modulus Silicone Sealant

Tremco Spectrem 2 is a single-component, neutral-cure silicone sealant designed for 2-sided structural glazing, perimeter caulking, and joint filling in commercial and industrial applications. Its medium-modulus formulation ensures excellent adhesion to glass, aluminum, steel, plastic, stone, concrete, and brick, providing superior flexibility and durability. Spectrem 2 offers outstanding resistance to rain, ozone, UV exposure, and extreme temperatures, ensuring long-term protection in all climate conditions. The black variant is approved for structural glazing, making it a trusted solution for high-performance sealing. With a ready-to-use formula that requires no mixing, Spectrem 2 is easy to apply and meets ASTM C920, ASTM C1184, and other major industry standards.

Key Features:

Single-component, neutral-cure silicone sealant
Medium modulus formulation for flexibility and durability
Superior adhesion to glass, aluminum, steel, concrete, and more
Outstanding resistance to rain, UV exposure, ozone, and temperature extremes
Approved for 2-sided structural glazing applications
Easy application with standard caulking equipment – no mixing required
Meets ASTM C920, ASTM C1184, and other key industry standards
Greenguard Gold certified for safe use in schools, hospitals, and indoor applications

Technical Specifications:

Property	Value
Flow/Sag	Nil
Tack-Free Time	20–40 min (ASTM C679)
Shore A Hardness	37–40 (ASTM C661)
Elongation	235–260% (ASTM D412)
Peel Strength (Aluminum & Glass)	16–22 pli (ASTM C794)
Tensile Strength at Max Elongation	220–230 psi (ASTM D412)
Tensile Strength at 100% Elongation	90–100 psi (ASTM C1135)

Frequently Asked Questions:

Can Spectrem 2 be used for all glazing applications?
Spectrem 2 is ideal for 2-sided structural glazing and perimeter caulking, but only the black variant is recommended for structural glazing applications.

What colors are available for Spectrem 2?
It is available in Adobe Tan, Aluminum Stone, Anodized Aluminum, Black, Bronze, Buff, Champagne, Charcoal, Clear, Dark Bronze, Gray, Ivory, Light Bronze, Limestone, Off White, Precast White, Rustic Brick, Sandstone, and White. Some colors require a minimum order quantity.

Can Spectrem 2 be used in submerged conditions?
No, Spectrem 2 is not intended for continuous water immersion.

Does Spectrem 2 require a primer?
It adheres well to most materials without a primer, but certain substrates may require one. Consult Tremco for specific recommendations.

What packaging sizes are available for Spectrem 2?
It is available in 10.1 oz (300 mL) cartridges, 20 oz (600 mL) sausages, and 55-gallon (208 L) drums.

For the latest technical specifications and application guidelines, visit Tremco Sealants.

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