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Chemlink M1 Sealant 20oz Sausage White Case 12
Chem Link M1 is a moisture cure, multi-purpose structural adhesive/sealant designed for bonding and sealing a wide range of construction materials. M-1 forms a tough, elastic & waterproof seal to most roofing materials, masonry, wood, glass, aluminum and foam.
- Bonds to most building surfaces - metal flashing, skylights, HVAC surfaces
- Solvent free - 100% solids, will not shrink
- Apply at temperatures as low as 32F
$199.99
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ChemLink M-1 Structural Adhesive Sealant, White 20 oz Sausage Case of 12
ChemLink M-1 is a moisture-curing polyether adhesive sealant for bonding and sealing in damp, dry, or cold conditions. The solvent-free formula has no isocyanates and forms a tough, elastic, waterproof seal to roofing, masonry, wood, glass, aluminum, and foam. Typical work includes flashing, copings, skylights, and HVAC metal, and it can be applied as low as 32°F. This 20 oz sausage is other packaging of the same M-1 material, sold as a case of 12 for sausage-gun production runs. Matching 10.1 oz cartridge: ChemLink M-1 white.
Looking for another color?
Key Features
- Bonds and seals in damp, dry, or cold weather down to 32°F
- Solvent-free and no isocyanates, so it will not shrink and is low odor in occupied spaces
- Stays elastic and waterproof on roofing, metal, masonry, wood, glass, and foam
- Non-sag gun grade for flashing, copings, skylights, and HVAC metal
- Holds up outdoors after cure, including UV exposure
Applications
- Metal flashing, copings, skylights, and HVAC surfaces.
- Roofing membranes: PVC, EPDM (adhesion test), TPO with LOW-VOC EPDM/TPO Primer, SBS, and APP-modified bitumen.
- Masonry, block, brick, and concrete joints.
- Glass, engineered plastics, and wood (not fire-retardant lumber).
Technical Specifications
| Property | Value |
|---|---|
| Product | M-1 Universal Sealant and Adhesive |
| Color | White |
| Packaging | 20 fl oz sausage, 12 per carton |
| Product number | F1190 |
| Chemistry | Moisture-curing STPE (silyl-terminated polyether) |
| ASTM C920 | Type S, Grade NS, Class 35, Uses NT, T1, M, G, A & O |
| VOC | < 24 g/L (ASTM D2369) |
| Elongation at break | 525% (ASTM D412) |
| Hardness | Shore A 45 (ASTM C661) |
| Tensile strength | 370 psi (2550 kPa) (ASTM D412) |
| Service temperature | -40 to 200°F (-40 to 90°C) |
| Application temperature | As low as 32°F (0°C) |
Product documents: PDS - M-1 Universal Sealant and Adhesive (PDF) | M-1 Safety Data Sheet (PDF)
Frequently Asked Questions
Is ChemLink M-1 a moisture-curing STPE adhesive and sealant?
Yes. ChemLink M-1 is a moisture-curing STPE structural adhesive and sealant. It is solvent-free, non-sag, and rated ASTM C920 Class 35.
What substrates will ChemLink M-1 bond?
The PDS lists EPDM (adhesion test required), PVC, TPO (adhesion test; use ChemLink LOW-VOC EPDM/TPO Primer), SBS, APP-modified bitumen, galvanized metal, aluminum, brass, copper, engineered plastics, glass, masonry, concrete, and wood. Do not use on fire-retardant lumber. Treated wood should weather six months first.
Can ChemLink M-1 be applied in wet or cold weather?
Yes. M-1 may be applied in wet and dry conditions and at temperatures as low as 32°F (0°C). Substrates must still be clean and free of dust, oils, frost, and other contaminants. Dry standing water on concrete before placing sealant.
Does ChemLink M-1 need a primer?
Most applications do not require a primer. TPO requires ChemLink LOW-VOC EPDM/TPO Primer. Adhesion tests are required on EPDM. A primer is recommended where prolonged immersion is anticipated. Confirm the substrate before the first production bead.
How long until ChemLink M-1 is tack-free?
Tack-free time is 35 ± 10 minutes. Full cure is typically reached within 24 hours and varies with humidity, temperature, and bead depth. Tool the bead within 15 minutes.
Are ChemLink M-1 colors the same published chemistry?
Yes. Standard ChemLink M-1 colors are the same published chemistry.
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