Chengdu Guibao Science & Technology Co., Ltd.,

Uv Resistant Construction Silicone Sealant For Curtain Wall Stone Application

Product Details:
Place of Origin: CHINA
Brand Name: GUIBAO
Certification: ISO, SIRIM
Model Number: 997
Payment & Shipping Terms:
Minimum Order Quantity: 2000pcs
Price: Negotiable
Packaging Details: Sausage :500ml
Delivery Time: 4 work days
Payment Terms: T/T
Supply Ability: 20000pcs/4 work days
  • Detail Information
  • Product Description

Detail Information

Feature: No Staining Usage: Construction
Type: Silicone Other Names: Silicone Sealant
Application: Stone Curtain Wall Material: Silicone Sealant
High Light:

two part silicone sealant


weatherproof silicone sealant

Product Description

Construction Silicone Weatherproofing Sealant for Stone Application





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


GB/T 13477 (ISO 7389) Extension recovery % ≥80


GB/T 13477 (ISO 8339) Modulus at 23℃ MPa >0.4 0.74
GB/T 13477 (ISO 11600) Movement capability % ±20 ±20
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 at fixed stretch after water immersion   No failure No failure
GB/T 23261 Staining Stain depth mm


Stain width mm


GB/T 13477 (ISO 10563) Weight loss % ≤5.0 3.0


*GB: Chinese National Standard

ASTM: American Society for Testing and Materials

ISO: International Standardization Organization

































GB 997 is designed to meet or even exceed the requirements of

Chinese national specification GB/T 23261-2009 20HM

Complies with ASTM C 1248




GB 997 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 surface temperature below 4℃ or over 50℃




One part, neutral cure, easy for application

Non-staining to natural stones and other porous substrates

Outstanding UV and weathering resistance




GB 997 Silicone Sealant for Stone Applications is specially formulated for

Weatherseal in stone curtain walling and cement panel precasting

Bonding and caulk seal in ceramic engineering

Sealing the joints between stone and other construction materials such as glass and metals etc.




GB 997 is available in black, gray and other customized colours.




GB997 is available in cartridges(net 300ml),24 pieces to a carton or in sausages (net 500ml),20 pieces to a carton


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