DetailsK-FLEX® 620 Contact Adhesive
K-FLEX® 620 Contact Adhesive is a fast drying, black-colored neoprene contact adhesive that is ideal for bonding porous or non-porous material. This adhesive is a thicker consistency, non-runny and can be applied with a brush or a roller.
K-FLEX® 620 Contact Adhesive is a reliable way to join seams and butt joints of elastomeric pipe and sheet insulation. For more information, please consult our technical data sheet. K-FLEX® 620 Contact Adhesive higher solids content allows for it to be brushed or roller-applied easily without running. They are ideal for bonding porous and non-porous materials, as they will not be absorbed easily.
K-FLEX® 620 Contact Adhesive is suitable for line temperatures up to 220°F (104°C) on applications requiring bonded seams and joints. When applied to large flat or curved surfaces, it is suitable for temperatures up to 200°F (93°C). The products are supplied in a variety of sizes ranging from pint brush top containers to gallon containers. Larger containers are available upon request.
Caution: Adhesive contains notable solvents and container not in use should be kept closed. Keep adhesive away from sparks and open flames. Use with adequate ventilation and avoid excessive contact with the skin.
The surface may be allowed to dry and solvent reactivated by wiping with a toluene dampened cloth.
Thinning the adhesive is not recommended. Common lacquer thinners can be used for clean up.
California residents: see Proposition 65 Warning
Weight 26 Pounds (Lb) Width 3.15 Inches (In) Height 4.25 Inches (In) Country of Origin USA Length 3.15 Inches (In) Brand K-Flex Tier 620 Service Temperature >220°F (104.4°C) Solvent Yes Application Temperature 40°F (4.4°C) Coverage 200 ft²/gal Dry Time 2-4 min Flame/Smoke Rating ASTM E84 - 25/50 Shelf Life 12 months Solids Content 25% +/- 2% Storage Temperature 40°F (4.4°C) UV Resistant No Includes Product and technical support Application HVAC / Refrigeration Approvals None Provided by Manufacturer Base neoprene Color Black Composition Solvent-based contact adhesive For Use With K-Flex Insulation System Functions Thermal Insulation Material Solvent-Based Contact Adhesive Ratings ASTM E84 25/50 Size 1 Pint Standards 2-4 minute dry time Temperature Range -297°F to 220°F (-182.7°C to 104.4°C) Type Pint Viscosity medium syrup Green Environmental Attribute Saves Energy UL Listed No UL Recognized No