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ChemLink DuraLink 50 Super Sealant Limestone 10.1oz Cartridge F1260
Chem Link DuraLink 50 is an extremely elastic, moisture cure, elastomeric sealant designed for use in roofing, cementitious siding, metal architecture, curtain wall construction and joints subject to movement. DuraLink 50 has excellent elastomeric properties which is ideal for a wide range of applications and can be used as a vinyl siding sealant as well.
- Solvent free - 100% solids, will not shrink
- Will not suntan
- +/- 50% joint movement
$7.91
Availability:
Out of stock
ChemLink DuraLink 50 Super Adhesion Sealant, Limestone 10.1 oz Cartridge
ChemLink DuraLink 50 is an extremely elastic moisture-curing polyether sealant for curtain walls, metal architecture, cementitious siding, and moving joints. The solvent-free formula has no isocyanates, will not stain limestone or marble, and does not bubble on green concrete or damp surfaces. It bonds Kynar 500 PVDF coated metal and holds color outdoors, and it can be applied as low as 32°F. For multi-purpose window and masonry joints, use ChemLink DuraLink 35, a different formula.
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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
- Extra elastic for curtain walls, siding, and joints that move
- Bonds Kynar 500 PVDF metal without staining limestone or marble
- Non-slump gun grade for vertical and overhead joints
- Color stable outdoors and paintable within 24 hours
- No bubbling on damp surfaces or green concrete
Applications
- Roofing, cementitious siding, and vinyl siding.
- Metal architecture and curtain wall construction.
- Window and door frames, parapets, and weather sealing.
- Pre-cast concrete, block, masonry, and cove joints.
- Expansion joints and joints subject to movement.
- Kynar 500® PVDF coated metal, galvanized metal, aluminum, glass, EIFS, and stucco (test adhesion).
Technical Specifications
| Property | Value |
|---|---|
| Product | DuraLink 50 Super Adhesion Sealant |
| Color | Limestone |
| Packaging | 10.1 oz (300 ml) cartridge |
| Chemistry | Moisture-curing polyether |
| ASTM C920 | Type S, Grade NS, Class 50, Uses NT, T2, M, G, A & O |
| VOC | < 22 g/L (ASTM D2369) |
| Elongation at break | 700% (ASTM D412) |
| Hardness | Shore A 23 (ASTM C661) |
| Tensile strength | 200 psi (ASTM D412) |
| Peel strength | 30 pli (ASTM C794) |
| Tack-free time | 40 min (45 ± 5% RH) |
| Service temperature | -40 to 200°F (-40 to 93°C) |
Product documents: PDS - DuraLink 50 (PDF) | SDS - DURALINK (PDF)
Frequently Asked Questions
When should I use ChemLink DuraLink 50 instead of ChemLink DuraLink 35?
Use ChemLink DuraLink 50 on curtain wall, metal architecture, and cementitious siding joints that need ±50% movement. Use ChemLink DuraLink 35 on window, door-frame, parapet, and masonry joints rated at ±35% movement.
Is ChemLink DuraLink 50 for curtain wall and metal architecture?
Yes. ChemLink DuraLink 50 is the elastic joint sealant for cementitious siding, metal architecture, curtain wall construction, and joints subject to movement.
Will ChemLink DuraLink 50 stain limestone or marble?
No. ChemLink DuraLink 50 will not stain absorbent stone substrates like limestone or marble.
Is ChemLink DuraLink 50 validated for ±50% joint movement?
Yes. ChemLink DuraLink 50 is SWRI validated for ±50% joint movement.
Can ChemLink DuraLink 50 go on green concrete without bubbling?
Yes. ChemLink DuraLink 50 polyether chemistry eliminates out-gassing on green concrete.
Can ChemLink DuraLink 50 be used as a vinyl siding sealant?
Yes. ChemLink publishes ChemLink DuraLink 50 for vinyl siding as well as metal architecture and curtain wall joints.
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