DESCRIPTION
STS5901 Two-Component Structural Silicone Sealantisa two component, neutral curing silicone sealant withmedium tohigh modulus, purposely designed foruse in the fabrication and shop glazing of unitized curtain wall modules.
CHARACTERISTICS
A.STS5901 belongs to RTV-2.
B.Structural capabilityglazing in curtain wall
C. Medium to high modulus
D.Fast curing speed, successfully tested for use in protective glazing applications
E. Odorless, non-corrosive cure system.
F.Excellent resistance to weather, UV, ozone, water;
G. Excellent flexible over a temperature range of-58°F(-50°C) to302°F(150°C);
H.Good compatibility with other neutral silicone sealants.
APPLICATIONS
Silicone structural glazing in curtain wall .
Structural attachment of many panel systems.
Protective glazing applications.
Panel stiffener applications.
TYPICAL PROPERTIES
Property | Result | Test method |
Bases: as supplied | ||
Color | White | |
Specific Gravity | 1.48 | |
Curing agent: as supplied | ||
Color | Black | |
Specific Gravity | 1.01 | |
As mixed | ||
Color | Black | |
Specific Gravity | 1.42 | |
Tooling Time(23°C/73°F, 50% RH) | 30minutes | |
Tack free time(23°C/73°F, 50% RH) | 55-90 minutes | ASTM C679 |
Flow, Sag or Slump | 0.1 inches max | ASTM D2202 |
As cured - after 7 days at23°C(73°F) and 50% RH | ||
Durometer Hardness, Shore A | 30-60 | ASTM D2240 |
Ultimate Tensile Strength | 1.2MPa | ASTM C1135 |
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