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Master Bond adhesives

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Chemical Concepts Chem-Set™ C-20 Seaming Adhesive
Categories: Polymer; Adhesive; Thermoset; Methacrylate; Methacrylate Adhesive

Material Notes: ChemSet C-20 Seaming/Surfacing adhesive is for color matched adhesives for the surfacing industry. Available in more than 100 pre-mixed colors; developed for demanding fabrication methods such as laminating, mitering, integral mounted sinks and bowls, and applications subject to dynamic loads. ChemSet C-20 produces improved bond strength over competitor products. Fabricators benefit from increased color choices as C-20 is used universally on Acrylic and Polyester Solid Surface materials as well as Granite, Marble, Quartz Surfaces, Ceramics and more.

Applications: Quartz Surfaces, Silestone, Caesarstone, Cambria, Okite, etc., Natual Stones, Granite, Marble, Limestone, etc, Solid Surfaces, Corian, Staron, LG Hi-Macs. Avonite.

Advantages: Auto-dispense system, Eliminates hand-mixing, Invisible seams 300+ pre-mixed colors, High strength, UV stable, Working time 12 minutes, Fixture time 25 minutes, Indoor Air Quality Certified, LEED Certification Compliant.

Information provided by Chemical Concepts™.

Vendors: No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
 
Physical PropertiesOriginal ValueComments
Density 8.40 lb/galAdhesive, uncured
 8.60 lb/galmixed. Room temperature cure
 9.00 lb/galActivator, uncured
pH 4.0 - 6.0adhesive
 4.0 - 6.0activator
Viscosity 15000 - 25000 cPAdhesive, uncured
 15000 - 25000 cPActivator, uncured
Vapor Pressure <= 0.500 torr
@Temperature 20.0 °C
Activator
 28.0 torr
@Temperature 20.0 °C
Adhesive
 
Mechanical PropertiesOriginal ValueComments
Adhesive Bond Strength 2500 - 3000 psiAcrylic solid surface: substrate. Failure type: cohesive; ASTM D638
 2500 - 3000 psiPolyester solid surface substrate. Failure type: substrate; ASTM D638
 
Thermal PropertiesOriginal ValueComments
Melting Point -54.0 °Fadhesive
Boiling Point 212 °Fadhesive
 >= 550 °Factivator
Flash Point 51.0 °F
 
Processing PropertiesOriginal ValueComments
Processing Temperature 65.0 - 85.0 °Froom temperature cure
Working Life 10.0 - 15.0 min
@Temperature 22.2 °C
 
Descriptive Properties
AppearanceLiquid (activator)
Auto Ignition Temperature790°F (adhesive)
Chemical ResistanceAcids and bases: excellent
 Hydrocarbons: excellent
 Most household foods: excellent
 Polar solvents: susceptible
 Super strong acids and bases: susceptible
 Vinegar: excellent
 Wine and Condiments: excellent
Colorclear/various colors: Adhesive. Uncured
 Creamy white/white paste: Activator. Uncured
Evaporation Point<1 (activator)
 3 (adhesive)
Fixture Time20 to 30 minutes. Room temperature cure.
Gap Filling0.125 inches- for countertops. Room temperature cure
Mix Ratio10:1
Odormild sweet (activator)
 mild sweet (adhesive)
Routable35 to 45 minutes. Room temperature cure.
Vapor Density3.5 (air=1) adhesive

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