BOSS
BOSS 12501 Multi-Seal White Construction Sealant
BOSS 12501 Multi-Seal White Construction Sealant
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BOSS 12501 Multi-Seal is a white, one-part building and construction sealant from Soudal Accumetric. It cures with atmospheric moisture to form a durable, flexible seal.
- Primerless adhesion to many common building materials
- Can bond damp and non-porous surfaces
- UV-resistant, non-slump formula
- Solvent- and isocyanate-free
- White cartridge; BOSS code 12501
Specifications
Application range: -35°F to 140°F; service range: -40°F to 200°F. Typical tack-free time for colors is 20 minutes.
Use note: Test adhesion for the intended substrate and follow the current TDS/SDS. Cure depends on temperature, humidity, substrate and bead thickness.
Specifications
| Color | White |
|---|---|
| Package size | 9.5 oz cartridge (manufacturer current listing) |
| Chemistry | One-part ultra synthetic polymer; solvent- and isocyanate-free |
| Tack-free time | 20 minutes (colors) |
| Cure reference | 7 days at 77°F, 50% RH, 1/8 in thickness |
| Application temperature | -35°F to 140°F |
| Service temperature | -40°F to 200°F |
| Specific gravity | 1.53 |
| Tensile strength | 180 psi |
| Standards | ASTM C920 Class 25; TT-S-000230C |
| Compatible substrates | Vinyl, aluminum, steel, concrete, wood and glass |
Frequently asked questions
What color is BOSS 12501?
White.
What materials will it bond?
The manufacturer lists common materials including vinyl, aluminum, steel, concrete, wood and glass.
How quickly does it skin or cure?
The TDS gives a typical 20-minute tack-free time for colors and reports cured physical properties after 7 days at 77°F and 50% RH for a 1/8-inch thickness.
Can it be used outdoors?
Yes. Product data describes weatherability and UV resistance, with a service range of -40°F to 200°F.
Is it paintable?
The manufacturer TDS says colors are paintable with most latex-based paints; test compatibility first.
Documents & literature
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