Tremco Spectrem 2 Black is a single-component, medium-modulus, neutral-cure silicone in a 10 oz cartridge. It is used on perimeter caulking and 2-sided structural glazing on glass, metal, and masonry, and holds ±50% cyclic movement.
Tremco Spectrem 2 is a high-performance, single-component, neutral-cure, medium-modulus silicone sealant. It is used on perimeter caulking and glazing on aluminum, glass, steel, painted metal, stone, concrete, and brick. Medium modulus lets it work as a structural tensile bead and a weather sealant, with resistance to driving rain, ozone, and UV light.
| Property | Value |
|---|---|
| Movement | ±50%, ASTM C719 |
| Hardness | Shore A 37 to 40, ASTM C661 |
| Tooling time | 10 to 15 min |
| Tack-free time | 20 to 40 min, ASTM C679 |
| Sag | Nil, ASTM C639 |
| Peel, aluminum and glass | 16 to 22 pli, ASTM C794 |
| Tear | 35 to 40 pli, ASTM D624 |
| Tensile at 100% | 90 to 100 psi, ASTM C1135 |
| Tensile at max elongation | 220 to 230 psi, ASTM D412 |
| Elongation | 235 to 260%, ASTM D412 |
Spectrem 2 Technical Data Sheet
What substrates is Tremco Spectrem 2 used on?
Aluminum, glass, steel, painted metal, plastic, stone, concrete, and brick.
What is the hardness of Tremco Spectrem 2?
Shore A 37 to 40, ASTM C661.
What is the movement of Tremco Spectrem 2?
±50%, ASTM C719.
What is the tack-free time of Tremco Spectrem 2?
20 to 40 minutes, ASTM C679.
What is the tooling time of Tremco Spectrem 2?
10 to 15 minutes.
What is the peel strength of Tremco Spectrem 2?
16 to 22 pli on aluminum and glass, ASTM C794.
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