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ChemLink DuraLink 50 Super Sealant Black 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
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SKU
17241
ChemLink DuraLink 50 Super Sealant – Black, 10.1 oz Cartridge (F1260)
ChemLink DuraLink 50 is a moisture-curing, highly elastic polyether sealant engineered for high-movement joints and demanding construction conditions. With ±50% joint movement capability, it adheres to difficult substrates such as anodized aluminum and Kynar 500 PVDF-coated metals. It is non-staining on natural stone, resistant to UV exposure, and eliminates outgassing on green concrete. The Black color option offers a durable, professional finish for architectural, siding, and roofing applications.
Key Features
- Polyether-based sealant with ±50% movement capability.
- Adheres to Kynar 500 PVDF-coated metal and anodized aluminum.
- Non-staining on natural stones such as limestone and marble.
- Resists UV exposure without discoloration or "suntanning."
- Solvent-free, 100% solids formula with no shrinkage.
- Paintable within 24 hours under proper conditions.
- Eliminates outgassing on damp or green concrete surfaces.
- Available in a wide range of colors, including Black.
Applications
- Expansion and control joints in concrete and masonry.
- Curtain walls, parapets, and architectural precast joints.
- Siding, roofing, and transportation sealing applications.
- Perimeter caulking around windows and doors.
- Weatherproofing joints in brick, block, and stone construction.
- Applications requiring adhesion to damp or green concrete.
Technical Specifications
| Technology | Moisture-curing polyether |
| Movement Capability | ±50% (ASTM C920, Class 50) |
| Viscosity | 750,000 ± 150,000 cp |
| Density | 11.0 ± 0.2 lbs/gal (ASTM D1475) |
| Tack-Free Time | 40 minutes (ASTM C679) |
| Elongation at Break | 700% (ASTM D412) |
| Tensile Strength | 200 psi (ASTM D412) |
| Peel Strength | 30 pli (ASTM C794) |
| Lap Shear Strength | 175 psi (ASTM D1002) |
| Hardness | Shore A: 23 (ASTM C661) |
| Low-Temperature Flexibility | Pass at -10°F (-23°C), 1/4 in mandrel bend |
| Service Temperature | -40°F to 200°F (-40°C to 93°C) |
| Shrinkage | No visible shrinkage after 14 days |
| VOC Content | < 22 g/L (ASTM D2369, EPA Method 24) |
| Certifications | ASTM C920, TT-S-00230C, CRD-C-541, CAN 19.13-M82, SWRI Validated, AAMA 802.3-08, 803.3-08, 805.2-08 |
| Packaging | 10.1 oz cartridges, 20 oz sausages, 2 & 5 gallon pails, 50 gallon drums |
| Shelf Life | 12 months for cartridges; 6 months for pails (stored at 70°F) |
Frequently Asked Questions
What makes DuraLink 50 stand out from other sealants?
Its polyether chemistry allows it to bond to coated metals, prevents outgassing on damp concrete, and resists discoloration from UV exposure.
Can it be used on natural stone?
Yes. It is specifically formulated not to stain limestone, marble, and other absorbent stones.
Is it suitable for painting?
Yes. It can typically be painted within 24 hours of application under normal conditions.
What colors are available?
DuraLink 50 is offered in a wide range of siding and roofing colors, including Black.
What substrates will it adhere to?
Metals, concrete, stone, glass, fiberglass, plastics, masonry, siding, and EIFS among others.
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