Two Part Curtain Wall Silicone Sealant For Structural Glazing Secondary Sealing
Two-Part Silicone Structural Glazing Sealant for Curtain Wall
Two-part silicone sealant specially designed for structural glazing.
FEATURES
Two parts , neutral cure to form an extremely tough elastomeric rubber ensuring a durable, flexible, and watertight bond.
Non-corrosive to metals, coated glass, low-E glass and many other substrates.
Excellent weatherability and high resistance to UV radiation ,heat and humidity, and ozone.
Excellent stability through wide temperature range from –50 ℃ to +150 ℃.
High level of mechanical properties.
Good compatibility with other neutral silicone sealants.
COLOURS
Part A (base) of GUIBAO 992 is available in white, part B (curing agent) in black; Black colour after mixing.
BASIC USES
GUIBAO 992 Silicone Structural Glazing Sealant is designed for:
Structural bonding and glazing applications for glass curtain walls, aluminium curtain walls, terracotta curtain walls and metal structures.
Structural secondary seal of insulating glass.
Other construction structural glazing applications.
TYPICAL PROPERTIES
These values are not intended for use in preparing specifications
| Test Method | Property | Unit | Standard | Result |
| GB/T 13477 (ISO 7390) | Slump | mm | ≤3 | 0 |
| GB/T 13477 (ASTM D 2377) | Tack free time | h | ≤3 | 0.8 |
| GB/T 13477 |
Working time |
s | ≤10 | 2.2 |
|
GB/T 531.1 (ISO 7619) |
Hardness | Shore A | 20～60 | 43 |
| GB 16776 (ASTM C 792) | Heat Aging | |||
| weight loss | % | ≤10 | 3.5 | |
| cracking | Nil | Nil | ||
| chalking | Nil | Nil | ||
| GB/T 13477 (ISO 8339) | Tensile strength |
MPa |
||
| 23℃ | ≥0.60 | 1.13 | ||
| 90℃ | ≥0.45 | 1.02 | ||
| -30℃ | ≥0.45 | 1.3 | ||
| water immersion | ≥0.45 | 1.01 | ||
| water-UV exposure | ≥0.45 | 1.09 | ||
| adhesion failure | % | ≤5.00 | 0 | |
|
Elongation at |
% | ≥100 | 140 |
*GB: Chinese National Standard.
ASTM: American Society for Testing and Materials.
ISO: International Standardization Organization.
PACKAGING
GUIBAO 992 is available in kit: part A in 200L drums (net 190L), part B in 20L pails (net 19L).
SPECIFICATIONS
GUIBAO 992 is designed to meet or even exceed the requirements of:
Chinese national specification GB16776-2005 Silicone Sealant for Structural Glazing.
Complies with ASTM C 1184.
STORAGE AND SHELF LIFE
It has a shelf life of 12 months from the date of manufacture.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.