2.3.2
Silane, 40 Percent Solids
a.
Average depth of penetration:
10 mm 3/8 inches depending on
substrate
b.
Resistance to chloride ion penetration, AASHTO T 259 and AASHTO T
260.
c.
Water absorption test, ASTM E 514:
0.42 percent per 48 hours; 1.2
percent per 50 days.
d.
Moisture vapor transmission: ASTM D 1653, 28.33 perms or 51.61
percent maximum compared to untreated surfaces.
e.
Scaling resistance, ASTM C 672, non-air-entrained concrete: Zero
rating, no scaling, 100 cycles treated concrete.
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.
2.3.3
Silane, 85 Percent Solids or Greater
a.
Average depth of penetration:
10 mm 3/8 inches depending on
substrate
b.
Resistance to chloride ion penetration, AASHTO T 259 and AASHTO T
260.
c.
Water absorption test, ASTM E 514:
0.42 percent per 48 hours; 1.2
percent per 50 days.
d.
Moisture vapor transmission: ASTM D 1653, 28.33 perms or 51.61
percent maximum compared to untreated surfaces.
e.
Scaling resistance, ASTM C 672, non-air-entrained concrete: Zero
rating, no scaling, 100 cycles treated concrete.
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.
2.3.4
Siloxanes
a.
Dry time for recoat, if necessary:
One to two hours depending on
weather conditions.
b.
Penetration:
10 mm 3/8 inch, depending on substrate.
c.
Water penetration and leakage through masonry, ASTM E 514,
percentage reduction of leakage: 97.0 percent minimum
d.
Moisture vapor transmission, ASTM E 96: 47.5 perms or 82 percent
maximum compared to untreated sample.
SECTION 07190
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