REF 1520 Professional-Grade Rubber Contact Adhesive

Aeroflex_REF 1520

See submittal sheet for detailed operational, performance and material data.

See SDS sheet for safety data.



Aeroflex has everything you need to complete your insulation project, including pipe hanger fittings, fabricated fittings, tapes, adhesives & coatings.

REF 1520 Professional-Grade Rubber Contact Adhesive


Professional-grade rubber contact adhesive for Aeroflex EPDM insulations. REF-1520 provides fast tack and dry times in as little as 5 minutes at 70°F (21°C) on pipeline temperatures up to 250°F (120°C). Use to seal seams of all Aeroflex pipe, sheet, and roll insulation. Can also be used to adhere sheet and roll insulation directly to mechanical heating and cooling equipment including tanks and the inside and outside and outside of metal ducts when operating temperatures are 180°F (82°C) or below.

Available in the following container sizes: 1 Gallon, Quart, Pint Brushtop and ½ Pint Brushtop

All sizes are available in amber color. Pint size also available in Black Brushtop

Key Benefits

• Strong, reliable bonds to insulation and substrates
• Fast tack -- sets up in 1 to 5 minutes, depending on jobsite conditions
• Easy to apply with a brush or adhesive roller
• Moisture resistant – maintains superior integrity of EPDM insulation
• Protects piping and equipment by reducing the potential of corrosion under insulation (CUI)


Refrigeration piping & equipment
HVAC and VRF piping & equipment
HVAC ductwork
Chilled water piping & equipment
Plumbing piping & equipment

Performance Properties

Coverage: sq.ft. per gallon (approximate, dependent on substrate & application thickness)
Tack Time: 1-5 minutes
Bond Time: Immediate
Full Cure Time: 36 hours
Shelf Life: 1 year (unopened container)
Fire Safety: 25/50-rated (ASTM E 84)
VOC Content: 615 g/L