Chengdu Guibao Science & Technology Co., Ltd.,

Weatherproofing Structural Curtain Wall Silicone Sealant One Component

Product Details:
Place of Origin: CHINA
Brand Name: GUIBAO
Certification: ISO, SIRIM
Model Number: 998
Payment & Shipping Terms:
Minimum Order Quantity: 2000 pcs
Price: Negotiable
Packaging Details: Cartridges (net 300ml) ,24 pieces to a carton and sausages (net 590ml),20 pieces to a carton.
Delivery Time: 4 working days
Payment Terms: T/T
Supply Ability: 20000 pcs/4 working days
  • Detail Information
  • Product Description

Detail Information

Name: Curtain Wall Silicone Sealant Usage: Construction
Color: White,black,grey,clear Type: One Component
Appearance: Smooth Paste Without Bubble Or Particles,uniform Paste Quality: High
Feature: Weatherproofing
High Light:

Structural Curtain Wall Silicone Sealant


Weatherproofing Curtain Wall Silicone Sealant


One Component structural silicone sealant

Product Description

Weatherproofing Structural Curtain Wall Silicone Sealant One Component


FEATURES of Curtain Wall Silicone Sealant


• Neutral curing, no pollution or corrosion on metal, coated glass, concrete, marble and other building materials. • Excellent adhesion to most building materials. • Excellent weathering performance with 25 years’service life under general environment.

Excellent resistance to temperature extremes, stable and flexible over the temperature range from –50 ℃ to +150 ℃.

Excellent unprimed adhesion to a wide variety of building materials.

Easy of application-ready to use as supplied.

Good compatibility with other neutral silicone sealants.


TYPICAL PROPERTIES of Curtain Wall Silicone Sealant


These values are not intended for preparing specifications.

Test Method Property Unit Standard Result
GB/T 13477 (ISO 7390) Slump mm





GB/T 13477 (ISO 8394) Extrusion rate ml/min ≥80



GB/T 13477(ASTM D 2377) Tack free time h ≤3 1.1
GB/T 13477 (ISO 7389) Extension recovery % ≥80 90
GB 16776 (ISO 10563) Weight loss % ≤10 5.6
GB/T 13477 (ISO 8339) Modulus at 23℃



>0.4 0.84
GB/T 13477 (ISO 11600) Movement capability % ±35 ±35
GB/T 13477 Adhesion at fixed stretch   No failure No failure
GB/T 13477 Adhesion after heat contract and cold extension   No failure No failure
GB/T 13477 Adhesion after UV-water exposure   No failure No failure

*GB: Chinese National Standard

ASTM: American Society for Testing and Materials

ISO: International Standardization Organization





GB 998 Silicone Weatherproofing Sealant is designed for:

General weather sealing and glazing in glass curtain walls, aluminum curtain walls and terracotta curtain walls.

Sealing the joints of concretes, plastics, metals and etc.




GB 998 is available in black, gray, white and other customized colours.




GB 998 is designed to meet or even exceed the requirements of:

Chinese specification GB/T 22083-2008 35HM.

Complies with ASTM C 920.




GB 998 is available in disposable cartridges (net 300ml) ,24 pieces to a carton and sausages (net 590ml),20 pieces to a carton.




As exposed to air, GB 998 begins to cure inward from surface. Its tack free time is about 70 minutes, the full and optimal adhesion forms in about 21 days.



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




GB 998 should not be applied:

As structural sealant.

To the materials that bleed oils , plasticizers or solvents, such as impregnated wood, oil-based caulks.

In totally confined spaces as sealant requires atmospheric moisture for cure.

To frost laden or damp surfaces.

For continuous water immersion.

When substrate surface temperature below 4℃ or over 50℃.

To copper, zinc or lead coated surfaces.

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