Foster™ - Foster® 60-90 / 60-91 MONOLAR® MASTIC

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FOSTER ® MONOLAR ® MASTIC FOSTER ® MONOLAR ® Mastic is a tough, flexible, and fire-resistive elastomeric finish for protection of outdoor thermal insulation. It contains chlorosulfonated polyethylene rubber (formerly known as Hypalon ® *). It is an excellent vapor barrier fo


Category: commercial insulation | elastomeric coatings | fire-resistant coatings...

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Overview


Foster® 60-90 / 60-91 MONOLAR® MASTIC



FOSTER ® MONOLAR ® MASTIC

FOSTER ® MONOLAR ® Mastic is a tough, flexible, and fire-resistive elastomeric finish for protection of outdoor thermal insulation. It contains chlorosulfonated polyethylene rubber (formerly known as Hypalon ® *). It is an excellent vapor barrier for low temperature insulation on tanks, pipework, ductwork, vessels, and fittings.

MONOLAR ® Mastic provides outstanding weather barrier protection, good color retention, excellent chemical resistance, and durability.

MONOLAR ® Mastic trowels easily and smoothly without drag or excessive stringing. It features higher than average volume solids, reducing the number of gallons that need to be applied.

MONOLAR ® Mastic is produced under the classification and follow- up service of Underwriter's Laboratories, Inc.

MONOLAR ® Coating meets NFPA 90A and 90B 25/50 requirements.

MONOLAR ® Coating contains no asbestos, lead, mercury, or mercury compounds.

LIMITATIONS
Store and apply between 40ºF (4ºC) and 100ºF (38ºC). For best results, select Elastolar ® 95-44 for insulation joint sealing under Monolar ® Mastic. Always test plastic materials for compatibility when using a solvent base product. Outdoor horizontal surfaces must always drain completely. A pitch of at least 1/2" per foot (4 cm/m) is recommended. Make certain this product is completely dry and the area free from solvent odor if food is involved. Select Monolar ® Coating 60-95 (white) or 60-96 (gray) for airless spray or brush application.

* Chlorosulfonated polyethylene rubber is also known as Hypalon, a trademark of DuPont Performance Elastomers, and is no longer produced by DuPont.


COLOR:
60-90 White 60-91 Gray Other colors available on special order.

APPLICATION CONSISTENCY:
Trowel or glove

AVERAGE WEIGHT / U.S. GALLON (ASTM D 1475):
10.4 to 10.8 lbs. (1.25 to 1.30 kg/l)

AVERAGE NON-VOLATILE (ASTM D 2369):
42% by volume (60% by weight)

COVERAGE RANGE:
(Subject to the nature of material coated.) Wet coverages shown below are for smooth non-porous surfaces. Porous or rough surfaces will require higher gallonage to attain required dry thickness.


Dry Thickness:

0.034 inch (0.9 mm)

Equivalent Wet Coverage:
0.080 inch (2.0 mm) 5 gal./100 sq. ft. (2.0 l/m2)

DRYING TIME (ASTM D 1640):
Set to Touch: 5 hours
Dry Through: 48 hours

SERVICE TEMPERATURE LIMITS (FSTM 70):
(Temperature at coated surface) -50ºF to 220ºF (-46ºC to 104ºC)

WATER VAPOR PERMEANCE:
ASTM E 96, Method E, 0.024 perms (0.016 metric perms) at 51 mils dry (1.3mm) ASTM F 1249, 0.03 perms (0.02 metric perms) at 30 mils dry (0.76mm). Tested at 100ºF (38ºC) and 90% RH.

WET FLAMMABILITY (ASTM D 93):
Flash point: > 110ºF (43ºC)

SURFACE BURNING CHARACTERISTICS (ASTM E 84):
Flame Spread: 10
Smoke Developed: 15
Tested at coverage rate of 25 sq. ft. /gal. (0.61 m2/l).
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.

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