Armaflex 520 Adhesive


Armaflex 520 Adhesive

An air-drying contact adhesive that is excellent for joining seams and butt joints of Armaflex Pipe and Sheet insulations.


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Armaflex 520 Adhesive

Specifications compliance

MIL-A-24179A, Amend-2, Type II, Class1

Approvals, Certifications, Compliances

All Armacell facilities in North America are ISO 9001:2008 certified


Color: Light tan

Net weight: 6.9 pounds per gallon (828 g/l)

Composition: Synthetic rubber base with synthetic resins and fillers added: hydrocarbon- and ketone-type solvents

Volatile Organic Compounds (VOC) content: 596 g/l

Solids Content: Approximately 22% by weight

Coverage: 200 sq ft (5m2/l) per gallon max, single coat (depending on porosity of materials bonded and air temperature)

Shelf life: 1 – 1/2 years in original sealed container : storage temperature  60° to 80°F(16° to 27°C)

Minimum drying time: 3-5 minutes under normal conditions

Temperature Limits: 250°F  (120°C) – Armaflex Pipe Insulation seams and joints, 180°F (82°C) Full bonding sheet insulation

Container Sizes: Half-pint and pint brush-top cans and pint, quart and gallon containers

Fire performance: Wet: Flash point below 20°F (-7°C)(TOC), Dry: ASTM E 84 Method, Applied on steel plate, Flame Spread Index:5, Smoke Developed Index:15

Flame Spread and Smoke Developed Index: 25/50 rated, ASTM E 84

Application Temperature: Recommended above 40°F (4°C); not recommended below 32°F (0°C)

Can Size

0.25 litre, 0.5 litre, 1 litre, 2.5 litre