Chengdu Guibao Science & Technology Co., Ltd.,

Two Part Curtain Wall Silicone Sealant For Structural Glazing Secondary Sealing

Product Details:
Place of Origin: CHINA
Brand Name: GUIBAO
Certification: ISO, SIRIM
Model Number: 992
Payment & Shipping Terms:
Minimum Order Quantity: 10 sets
Price: Negotiable
Packaging Details: Part A: 190L part B:19L
Delivery Time: 4 working days
Payment Terms: T/T
Supply Ability: 100 sets/4 working days
  • Detail Information
  • Product Description

Detail Information

Features: Two Parts , Neutral Cure Color: Black After Mixing
Application: 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 Shelf Life: 12 Months
Packing: Part A In 200L Drums (net 190L), Part B In 20L Pails (net 19L). Material: Silicone Sealant
Features: Factory Using
High Light:

Two Part Curtain Wall Silicone Sealant


GUIBAO 992 Curtain Wall Silicone Sealant


ASTM Two Part Silicone Sealant

Product Description

Two-Part Silicone Structural Glazing Sealant for Curtain Wall
Two-part silicone sealant specially designed for structural glazing.
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.

Part A (base) of GUIBAO 992 is available in white, part B (curing agent) in black; Black colour after mixing.
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.
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
(after 20 min.)

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


  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
ultimate tensile strength at 23℃

% ≥100 140

*GB: Chinese National Standard.
ASTM: American Society for Testing and Materials.
ISO: International Standardization Organization.


GUIBAO 992 is available in kit: part A in 200L drums (net 190L), part B in 20L pails (net 19L).
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.

It has a shelf life of 12 months from the date of manufacture.


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