Parcel Orders over $300 Ship Free.
ChemLink M1 Sealant Dark Bronze 10.1oz Cartridge F1270
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, copings, skylights, HVAC surfaces
- Solvent free - 100% solids, will not shrink
- Apply at temperatures as low as 32F
$8.74
Availability:
In stock
( 24 Available )
SKU
17213
ChemLink M-1 Sealant – Dark Bronze, 10.1 oz Cartridge
M-1 is a moisture-curing polyether adhesive/sealant for interior and exterior construction joints. It installs in damp, dry, or cold conditions, skins quickly, and cures to a tough, flexible seal with Class 35 joint movement. The non-slump formula will not bubble on damp surfaces, will not shrink, and shows strong UV color stability. Water-free chemistry means low VOC and no isocyanates; cleanup is easy with alcohol while uncured. This SKU is Dark Bronze in a 10.1 oz cartridge.
Key Features
- Solvent-free, 100% solids; no shrinkage and no outgassing on damp surfaces.
- Class 35 joint movement capability (ASTM C920, Type S, Grade NS).
- Non-slump for vertical and overhead joints; tools easily.
- Good UV color stability; paintable within 24 hours (verify coating compatibility).
- Low VOC content; compliant with CARB, OTC, and SCAQMD rules.
- Applies at temperatures as low as 32°F; service range −40°F to 200°F.
- Adheres to concrete, masonry, metals, wood, many plastics, glass, and FRP.
Applications
- Expansion and control joints; window and door perimeters; siding and trim.
- Precast, concrete, block, brick, EIFS/stucco, parapets, and cove joints.
- General weather sealing on properly prepared substrates.
- Transportation and exterior envelope joints where movement and UV resistance are important.
Technical Specifications
| Chemistry | Polyether, moisture-curing adhesive/sealant |
| Movement Capability | ±35% (ASTM C920 Class 35) |
| Standards / Listings | ASTM C920 Type S, Grade NS, Class 35; ASTM E84 Class A; TT-S-00230-C Type II Class B; CAN/ULC; SWRI Validated |
| Tack-Free Time | ~35 minutes (45% RH, 73°F) |
| Shore A Hardness | ~45 |
| Elongation at Break | ~525% |
| Tensile Strength | ~370 psi |
| VOC Content | <17 g/L (EPA Method 24) |
| Application Temperature | ≥32°F (0°C) |
| Service Temperature | −40°F to 200°F (−40°C to 93°C) |
| Packaging (this item) | 10.1 oz cartridge; Dark Bronze |
| Case Quantity | 24 cartridges per case |
| Shelf Life | 12 months at ~70°F/50% RH (unopened) |
| Cleanup (uncured) | Alcohol; do not use mineral spirits or xylene |
| Limitations | Not for continuous immersion; does not bond to Kynar 500 PVDF; prime where prolonged immersion or difficult substrates require it |
Frequently Asked Questions
Can I paint M-1?
Yes. It is paintable after cure; always test paints first. Some polyurethane or oil-based paints may dry slowly.
Does it adhere to metals and plastics?
It bonds to aluminum, galvanized metal, stainless, engineered plastics including PVC, and more when surfaces are clean and properly prepared.
Is a primer required?
Usually no. Prime only for difficult substrates or where prolonged immersion is expected.
How do I clean up?
Use alcohol while uncured. Cured material must be removed mechanically.
Cold weather installation?
Product can be applied at 32°F; keep cartridges near room temperature for easier gunning and tool within 15 minutes.
Please complete your information below to login.