Structural Silicone Sealant
₵40.00
20 in a box. minimum order box.
Product Description
BAI YUN® SS521 Silicone, Structural Sealant Silicone, structural glazing in curtainwall
Product Introduction:
Structural and weather seal capability
No unpleasant odor during curing,
Non-corrosive curing system
Excellent weather ability and high resistance to ultraviolet radiation, heat and humidity, ozone and temperature extremes
12-month shelf life, no lot matching of components
Easy tooling, low VOC formula
Excellent stability through wide temperature range: -58°F(-50°C) to 302°F(150°C) (fully cured)
Composition:
One-part, neutral-cure
RTV silicone sealant
Application:
Silicone structural glazing in curtain wall
Structural attachment of many panel systems
Protective glazing applications
Panel stiffener applications
Property Result Test method
Working Time 10-20 minutes
Tack free time (23°C/73°F, 50% RH) 30-60minutes ASTM C679
Curing Time 7-14 days
Full Adhesion 14-21days
Flow, Sag or Slump <0.1mm ASTM C639
VOC Content <30g/L
As Cured-After 21days at 23°C/(73°F), and 50% RH
Durometer Hardness, Shore A 45 ASTM C661
Ultimate Tensile Strength 1.10 MPa ASTM C1135
Ultimate Elongation 260% ASTM C 1135
Tear Strength, Die B 10kN ASTM D624
Peel Strength 41ppi ASTM C794
As Cured-After 21days at 23°C/(73°F), and 50% RH followed by 5,000 hours in a QUV weather meter, ASTM G53
Tensile Strength, at 100% elongation 0.60 MPa ASTM C1135
Ultimate Tensile strength, at break 1.10 MPa ASTM C1135









