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- Adhesive (85-20)
Rockal
Adhesive (85-20)
ROCKAL Adhesive 85-20 is a high tack, rapid setting water-base adhesive designed for bonding low density & high-density duct liner, duct wrap and fibrous glass insulations to painted or unpainted steel, galvanized or aluminum surfaces. ROCKAL Adhesive is a solvent free, very low VOC synthetic elastomer emulsion. It is non-flammable when wet and fire-resistive when dry. It can be applied to either the metal or the insulation. ROCKAL Adhesive is ideal for bonding fibrous glass insulation to concrete, block and other masonry surfaces in building construction.
Description
ROCKAL Adhesive 85-20 is a high tack, rapid setting water-base adhesive designed for bonding low density & high-density duct liner, duct wrap and fibrous glass insulations to painted or unpainted steel, galvanized or aluminum surfaces. ROCKAL Adhesive is a solvent free, very low VOC synthetic elastomer emulsion. It is non-flammable when wet and fire-resistive when dry. It can be applied to either the metal or the insulation. ROCKAL Adhesive is ideal for bonding fibrous glass insulation to concrete, block and other masonry surfaces in building construction.
Properties
Color: Off White Application Consistency:Brush, Spray & Roller Average Weight/ US Gallon (ASTM D 1475): 10.8 lbs. (1.29 kg/l) Average Non- Volatile (ASTM D 2369): 44% by weight Coverage Range: (Subject to type of surface and nature of material being bonded.) For Insulation Attachment: 200 sq. ft./gal. (9 m2/l) 0.008 in. wet film thickness (0.2mm)
Key Features:
High Tack Quick Setting Adhesive is Solvent Free Synthetic Emulsion Excellent Adhesion and Peel Off Strength. HVAC High Performance Adhesive Non-flammable Fire-resistive Well adhere insulation to wood and concrete. Gives superior service when it is used as a contact adhesive to cement the laps of aluminum foil, FSK, ASJ, and FRK facings. ROCKAL® Adhesive 85-20 Standards: ASTM C 916, Type I (ASC-A- 7001, Type. I) MIL-A-3316C, Class 2 grade A test meets NFPA 90A and 90B 25/50 Limitations: Store and apply between 40ºF (4ºC) and 100ºF (38ºC). Always test plastic and painted materials for compatibility when using a
Application:
Insulation Attachment: The metal surface shall be coated by brush with ROCKAL® Adhesive 85-20 at a coverage of 200 sq. ft./gal. (9 m2/l). Allow an open time of 0 to 15 minutes to develop full tack. Install insulation, apply pressure to assure complete and uniform contact to the metal surface. The above application suggestions do not preclude the use of additional mechanical fastening as recommended by insulation manufacturer or required by design engineer. Lap, Butt Strip & Pin Patch Sealing: All longitudinal and butt joint laps of facing shall overlap a minimum of two inches (5 cm). Apply a brush coat of Foster ROCKAL Adhesive at the rate of 75 sq. ft./gal. (1.8 m2/l). Allow an open time of 2 to 10 minutes to develop full tack. Alternate - Apply a brush coat of Foster ROCKAL Adhesive at the rate of 150 sq. ft./ gal. (3.7 m2/l) to each surface. Allow an open time of 2 to 10 minutes to become tacky.
Application Guide:
Material Preparation: Stir well, DO NOT THIN. No need to prime aluminum or galvanized metal. Apply only to clean, dry, dust-free surfaces. Keep container closed when not in use to prevent solvent evaporation. Do not use pumps or equipment that have aluminum parts in contact with the adhesive.
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