ChemLink M1 Sealant Black 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

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SKU

17210

Details

ChemLink M-1 Sealant Black – 10.1oz Cartridge (F1270)

ChemLink M-1 is a moisture-curing, polyether-based adhesive sealant that performs in wet, dry, or cold conditions without shrinking, bubbling, or discoloration. This gun-grade, zero-slump sealant bonds to a wide range of construction materials including concrete, metal, wood, and plastics. It applies easily, skins in 20–35 minutes, and handles joint movement up to 35% in both extension and compression. M-1 meets or exceeds ASTM C920 Class 35 and is suitable for structural bonding and weather sealing in high-performance applications.

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Key Features:

Solvent-free, 100% solids – will not shrink or outgas
Zero-slump – supports vertical and overhead applications
Skins in approximately 20–35 minutes
Paintable within 24 hours
UV-resistant and color-stable
Applies in temperatures down to 32°F

Applications:

Concrete joints and precast panels
Window and door perimeters
Block, masonry, and stonework
Flashing, siding, parapets, and coping
Transportation, marine, and utility enclosures
Weather sealing and expansion joints

Technical Specifications:

Property	Value
Technology	Polyether
Tack-Free Time	35 minutes ± 10 min
Elongation at Break	525% (ASTM D412)
Tensile Strength	370 psi (ASTM D412)
Shore A Hardness	45 (ASTM C661)
Tear Strength	111 pli (ASTM D624)
Shear Strength	390 psi (ASTM D1002)
Service Temperature	-40°F to 200°F
VOC Content	<17 g/L
Movement Capability	±35%
Colors	Black, White, Gray, Tan, Limestone

Frequently Asked Questions:

Can ChemLink M-1 be used on wet or green concrete?
Yes. M-1 is designed to be applied to damp or green concrete surfaces and will not outgas or bubble during cure.

Does M-1 require a primer?
Primers are generally not needed but may be recommended for certain dissimilar or high-movement substrates. Contact ChemLink Technical Services for guidance.

What is the skin time and when can it be painted?
M-1 skins over in approximately 20–35 minutes and can be painted after 24 hours. Test all paints for compatibility.

Is M-1 compliant with low VOC regulations?
Yes. It contains <17 g/L VOC and meets SCAQMD, CARB, and other regional regulations.

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