Tremco Spectrem 2 Gray is a single-component, medium-modulus, neutral-cure silicone in a 20 oz sausage. It is used on perimeter caulking and 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 stone is Tremco Spectrem 2 used on?
Stone, concrete, and brick, as well as aluminum, glass, steel, painted metal, and plastic.
What is the 100% modulus of Tremco Spectrem 2?
90 to 100 psi, ASTM C1135.
What is the maximum elongation of Tremco Spectrem 2?
235 to 260%, ASTM D412.
What is the stain result of Tremco Spectrem 2 on marble?
No stain, primed and unprimed, ASTM C1248.
What is the Greenguard listing of Tremco Spectrem 2?
Greenguard Gold.
What is the hardness of Tremco Spectrem 2?
Shore A 37 to 40, ASTM C661.
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