Foster™ -Foster® 60-25 / 60-26 C.I. MASTIC®

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FOSTER C.I. MASTIC ® FOSTER C.I. MASTIC is a tough, durable, high solids vapor barrier asphalt cutback mastic. Because of its low vapor permeance, it is an ideal surface coating for low temperature insulation on outdoor applications. C.I. MASTIC may be used on heated lines, vessels, and equipme


Category: commercial insulation | industrial insulation | pipe insulation...

MasterFormat: Thermal Protection | Painting and Coating | Special Coatings...


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Foster® 60-25 / 60-26 C.I. MASTIC®



FOSTER C.I. MASTIC ®

FOSTER C.I. MASTIC is a tough, durable, high solids vapor barrier asphalt cutback mastic. Because of its low vapor permeance, it is an ideal surface coating for low temperature insulation on outdoor applications.

C.I. MASTIC may be used on heated lines, vessels, and equipment in intermittent or dual temperature service to prevent the entrance of water vapor into the insulation during off periods or on cold cycles.

C.I. MASTIC may be used as a solvent based adhesive for asphaltic felt vapor barrier jackets on pipe and duct insulation.

C.I. MASTIC meets the requirements for water proofing mastics in the TRI-SERVICE SPECIFICATION for UNDERGROUND HEAT DISTRIBUTION CONDUIT SYSTEMS.

LIMITATIONS
Store and apply between 40°F (4°C) and 100°F (38°C). Always test foil and paper facings for acceptable adhesion before using. C.I. Mastics may weather to a dark gray color. Outdoor horizontal surfaces must always drain completely. A pitch of at least 1/2" per foot (4 cm/m) is required. Always test plastic materials for compatibility when using a solvent base product. Do not use on polystyrene foam.

04/13


COLOR:
Black

APPLICATION CONSISTENCY:
60-25 Trowel 60-26 Heavy Duty Airless Spray

AVERAGE WEIGHT / U.S. GALLON (ASTM D 1475):
9.4 to 10.0 lbs. (1.13 to 1.20 kg/l)

AVERAGE NON-VOLATILE (ASTM D 1644):
69% by volume (79% by weight)

COVERAGE RANGE (FSTM 72):
(Subject to the type of surface being coated.) Wet coverages shown below are for smooth non-porous surfaces. Porous or rough surfaces will require higher gallonage to attain required dry thickness. 12 gallons per 100 sq. ft. minimum (4.9 l/m2) 0.192 in. wet film thickness (4.9mm).

DRYING TIME 73ºF (23ºC) 50% RH (ASTM D 1640):
Set to Touch: 1/2 to 6 hours
Dry Through: 7 days

WATER VAPOR PERMEANCE (ASTM E 96):
Procedure A: Less than 0.015 perms (0.01 metric perms) at 1/8" (3.2mm) dry film thickness.

ASTM F1249:
0.02 perms (0.01 metric perms) at 1/8 inch (3.2mm) dry film thickness.

SERVICE TEMPERATURE LIMITS (FSTM 70):
(Temperature at coated surface) -40ºF to 180ºF (-40ºC to 82ºC)

WET FLAMMABILITY (ASTM D 93):
Flash point 104ºF (40ºC)

SURFACE FLAME SPREAD (ASTM E 162):
Flame Spread: 145
Applied to 1/4 inch (6.4mm) inorganic reinforced cement board. The flame spread may vary at different product thicknesses and/or when applied over other surfaces. TM TradeMark of HB Fuller Construction Products Inc.

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