Foster™ -Foster® 81-27 FIBROUS ADHESIVE

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FOSTER® FIBROUS ADHESIVE Foster ® Fibrous Adhesive is a sodium silicate based incombustible adhesive for bonding calcium silicate and expanded perlite thermal insulation to itself and to non-porous surfaces. It offers maximum adhesion and optimum working qualities and it forms a hard, brit


Category: adhesives | commercial insulation | expanded perlite...

MasterFormat: Adhesives* | Fire-Suppression Piping Insulation | Plumbing Insulation...


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Foster® 81-27 FIBROUS ADHESIVE



FOSTER® FIBROUS ADHESIVE

Foster ® Fibrous Adhesive is a sodium silicate based incombustible adhesive for bonding calcium silicate and expanded perlite thermal insulation to itself and to non-porous surfaces. It offers maximum adhesion and optimum working qualities and it forms a hard, brittle, incombustible film.

Fibrous Adhesive can also be used for lagging high temperature alkali resistant cloth on high temperature insulation.

Nuclear Grade Fibrous Adhesive 81-27Q can be supplied to meet the stress corrosion and chemical analysis requirements of MIL-I-24244C or Nuclear Regulatory Guide 1.36 on special order.

Fibrous Adhesive contains no asbestos, lead, mercury, or mercury compounds.

Fibrous Adhesive meets requirements for LEED IEQ 4.1 Low-Emitting Materials, Adhesives and Sealants. VOC: 0 g/l, less water and exempt solvents.

LIMITATIONS
Store and apply between 40°F (4°C) and 100°F (38°C), protect from freezing until dry. Since the dry adhesive film is soluble in water, it should not be used where moisture will be encountered. Because of its sodium silicate base, this product is not recommended for use with glass fiber or other alkali sensitive insulations. Primed or painted metal surfaces should be tested for compatibility. If used between impermeable surfaces, drying time will be extended.




COLOR:
Beige

APPLICATION CONSISTENCY:
Brush, Trowel

AVERAGE WEIGHT/U.S. GALLON (ASTM D 1475):
13.7 lbs. (1.64 kg/l)

AVERAGE NON-VOLATILE (ASTM D 2369):
41% by volume (63% by weight)

COVERAGE RANGE (FSTM 72):
(Subject to type of surface and nature of material being coated)

Brush:
40 to 50 sq. ft. per gal. (1.0 to 1.2 m2 /l) 0.040 in. to 0.032 in. (1.0 to .8 mm) wet film thickness.

Trowel:
25 to 30 sq. ft. per gal. (0.6 to 0.7 m2 /l) 0.064 in. to 0.053 in. (1.6 to 1.3 mm) wet film thickness.

BONDING TIME RANGE (FSTM 66):
0 to 5 minutes

SERVICE TEMPERATURE LIMITS (FSTM 70):
(Temperature at coated surface) 50°F to 800°F (10°C to 427°C)

WET FLAMMABILITY (ASTM D 93):
No flash to boiling 212°F (100°C)

DRY COMBUSTIBILITY:
Incombustible TM TradeMark of H.B. Fuller Construction Products Inc.

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