with alcohol, ethanol, mineral spirits, or water.
a.
Solids by weight:
ASTM D 2369, 7.5-16.0 percent.
b.
Volatile Organic Content (VOC) after blending:
Less than 175
grams per liter.
c.
Density, activated: One kilogram per liter 8.4 pounds per gallon,
plus or minus one percent.
d.
Flash point, ASTM D 3278:
Greater than 100 degrees C212 degrees F.
2.2.5
Low-Solids Acrylic
Water-clear, breathing coating of acrylic resins, water-based,
solvent-based, or acrylic emulsions solution containing less than 15
percent solids by volume.
**************************************************************************
NOTE: Below may be used on concrete, exposed
aggregate, stucco, masonry, or stone where wet sheen
appearance or some darking of surface is acceptable.
**************************************************************************
2.2.6
High-Solids Acrylic
Water-clear, breathing coating of acrylic resins, water-based,
solvent-based, or acrylic emulsions solution containing 15 percent solids
or more by volume.
2.2.7
VOC-Complying Water Repellents
Products certified by the manufacturer that they comply with local
regulations controlling use of volatile organic compounds (VOC's).
2.3
PERFORMANCE CRITERIA
2.3.1
Silane, 20 Percent Solids
a.
Water absorption test:
ASTM C 642 and ASTM E 514.
b.
Moisture vapor transmission: ASTM D 1653, 28.33 perms or 51.61
percent maximum compared to untreated surfaces.
c.
Scaling resistance: ASTM C 672, non-air-entrained concrete, zero
rating, no scaling, 100 cycles treated concrete.
d.
Resistance to chloride ion penetration:
AASHTO T 259 and AASHTO T
260.
e.
Water penetration and leakage through masonry, ASTM E 514
percentage reduction of leakage: 97 percent minimum.
f.
Resistance to accelerated weathering, ASTM G 53 testing 2,500
hours: No loss in repellency.
g.
Drying time under normal conditions:
Four hours per 24 degrees C
75 degrees F.
SECTION 07190
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