Parcel Orders over $300 Ship Free.
Tremco Spectrem 2 20oz Sausage Bronze
High-performance, single-component, neutral-cure, medium-modulus silicone sealant. Ideal for a variety of perimeter caulking and glazing applications, including 2-sided structural glazing on substrates such as aluminum, glass, steel, painted metal, plastic, stone, concrete, and brick.
- Excellent adhesion
- No mixing required
- UV resistant
$11.54
Availability:
In stock
( 18 Available )
SKU
22350
Tremco Spectrem 2 – Bronze, 20 oz Sausage
Spectrem 2 is a single-component, neutral-cure, medium-modulus silicone sealant for high-performance perimeter caulking and glazing. It delivers strong adhesion to glass, aluminum, steel, painted metal, plastics, stone, concrete, and brick, with excellent weatherability and resistance to UV, ozone, and temperature extremes. Suitable for two-sided structural glazing (black only) and general weathersealing; Greenguard Gold certified for use in sensitive indoor environments.
Key Features
- Neutral-cure silicone with medium modulus for durable weather seals.
- Excellent adhesion to metal and glass; compatible with Tremco silicone accessories and SGT tapes.
- Outstanding resistance to driving rain, UV, and ozone across climate zones.
- Greenguard Gold certified for low emissions.
- No mixing required; ready for standard sausage guns.
- Meets ASTM C920 Type S, Grade NS, Class 50 and ASTM C1184 requirements.
Applications
- Perimeter sealing of windows, doors, and curtainwall systems.
- Glazing joints, including two-sided structural glazing (black color only for structural glazing).
- Weathersealing metals, glass, plastics, stone, concrete, and brick.
- General expansion and control joints where ±50% movement is required.
Technical Specifications
| Packaging (this item) | 20 oz (600 mL) sausage |
| Color (this item) | Bronze (wide color range available; some colors by special order) |
| Movement Capability | ±50% (ASTM C719) |
| Tack-Free / Skin Time | Tack-free 20–40 min; skin formation 10–15 min (77°F, 50% RH) |
| Hardness | Shore A 37–40 (ASTM C661) |
| Elongation (14 days) | ~235–260% (ASTM D412) |
| Peel Strength (Aluminum/Glass) | ~16–22 pli (ASTM C794) |
| Tensile Strength | 90–100 psi at 100% (ASTM C1135); ~220–230 psi ultimate (ASTM D412) |
| Standards / Certifications | ASTM C920 Type S, Grade NS, Class 50, Use NT, M, G, A, O; ASTM C1184; ASTM C1248; TT-S-001543A Class A; TT-S-00230C Class A Type II; CAN/CGSB 19.13; Greenguard Gold |
| Limitations | Apply to clean, dry substrates. Not for continuous water immersion. Only black color recommended for structural glazing. |
Frequently Asked Questions
Can Spectrem 2 be used for structural glazing?
Yes—two-sided structural glazing applications are supported, but use the black color only for structural glazing.
What substrates does it adhere to?
Aluminum, glass, steel, painted metal, plastics, stone, concrete, and brick when properly prepared.
Is it low-emitting for indoor use?
Yes. It carries Greenguard Gold certification for sensitive environments such as schools and healthcare facilities.
What are the typical working times?
Skin forms in about 10–15 minutes and tack-free is typically 20–40 minutes at 77°F and 50% RH.
What standards does it meet?
ASTM C920 Type S, Grade NS, Class 50; ASTM C1184; federal specs TT-S-001543A and TT-S-00230C; and CAN/CGSB 19.13.
Please complete your information below to login.