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ChemLink DuraLink 50 Super Sealant Gray 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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ChemLink DuraLink 50 Super Sealant – Gray 10.1oz Cartridge
DuraLink 50 is an extremely elastic, moisture curing polyether sealant designed for cementitious siding, metal architecture, curtain wall construction, and joints subject to movement. It bonds to difficult surfaces including anodized metal and Kynar 500® PVDF coatings, will not stain absorbent stone like limestone or marble, and its polyether chemistry eliminates outgassing on green concrete while improving UV color stability. :contentReference[oaicite:0]{index=0}
Key Features
- Bonds to Kynar 500® PVDF coated metal.
- Solvent free, 100% solids, will not shrink.
- Non-slump, applies vertically and overhead.
- 40 minute skin over.
- No outgassing on damp surfaces.
- Available in a wide range of roofing and siding colors.
- Color stability, will not discolor from UV exposure.
- Paintable within 24 hours (see limitations).
- Plus or minus 50% joint movement.
- VOC content less than 22 grams per liter.
Applications
- Window and door frames.
- Pre-cast concrete.
- Block and masonry.
- Curtain walls.
- Expansion joints.
- Siding.
- Weather sealing.
- Cove joints.
- Parapets.
- Transportation.
Technical Specifications
| Standard Classification | ASTM C920, Type S, Grade NS, Class 50, Uses NT, T2, M, G, A & O |
| Federal / Corps / Canada | TT-S-00230-C Type II, Class A; CRD-C-541 Type II, Class A; CAN 19, 13-M82 |
| VOC Content | Less than 22 grams / liter |
| Viscosity | 750,000 cp +/- 150,000 cp (Brookfield RVF TF Spindle, 4 RPM, 73°F) |
| Density | 11.0 +/- 0.2 lbs per gallon (ASTM D1475) |
| Tack Free Time | 40 minutes (45 +/- 5% R.H.) |
| Elongation at Break | 700% (ASTM D412) |
| Tensile Strength | 200 psi (ASTM D412) |
| Peel Strength | 30 pli (ASTM C794) |
| Hardness | Shore A 23 (ASTM C661) |
| Lap Shear Strength | 175 psi (ASTM D1002) |
| Low Temperature Flexibility | Pass -10°F (-23°C), 1/4 inch mandrel (ASTM D816) |
| Shrinkage | No visible shrinkage after 14 days |
| Service Temperature | -40°F to 200°F (-40°C to 93°C) |
| Joint Design | Depth to width ratio 1:2 (joint depth one-half the width) |
| Typical Joint Depths | 1/4 to 1/2 in joint width: 1/4 in depth. 1/2 to 3/4 in: 1/4 to 3/8 in. 3/4 to 1 in: 3/8 to 1/2 in. 1 to 2 in: 1/2 in. |
| Packaging | 10.1 oz (300 ml) Euro / 4 inch nozzle. Also available: 20 oz (600 ml) sausages, and 2 and 5 gallon pails or 50 gallon drums by special order. |
Frequently Asked Questions
Does DuraLink 50 need a primer?
In most instances it will not require a primer, but certain applications or substrates may require a primer. A primer is recommended where prolonged immersion is anticipated.
Can I use it on green concrete?
Yes. Its polyether chemistry eliminates outgassing on green concrete. Remove release agents and loose concrete, and dry visible or standing water prior to application.
Will it stain limestone or marble?
No. It will not stain absorbent stone substrates like limestone or marble.
Can it be used in areas with continuous immersion?
No. Do not use in areas subject to continuous immersion.
How do I clean up uncured sealant?
Wet sealant can be removed using a solvent such as alcohol. Cured material can be removed by abrading or scraping.
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