Chengdu Guibao Science & Technology Co., Ltd.,

Class 25 Weatherproof General Purpose Silicone Sealant

Product Details:
Place of Origin: CHINA
Brand Name: GUIBAO
Certification: ISO, SIRIM
Model Number: 996
Payment & Shipping Terms:
Minimum Order Quantity: 2000 pcs
Price: Negotiable
Packaging Details: Cartridges (net 300ml),24 pieces to a carton, and sausages (net 500ml),20 pieces to a carton.
Delivery Time: 4 working days
Payment Terms: T/T, L/C
Supply Ability: 20000 pcs/4 working days
  • Detail Information
  • Product Description

Detail Information

Usage: Construction Type: One Part, Neutral Cure
Color: White,black,grey Shelf Life: 12 Months
Application: Weather And Waterproofing Seal Of High-end Window & Door, And Simple Curtain Wall Appearance: Smooth Paste Without Bubble Or Particles,uniform Paste
Quality: High Feature: Excellent Sealing
Specification: 300ml And 500ml
High Light:

GUIBAO General Purpose Silicone Sealant


300ml General Purpose Silicone Sealant


500ml weatherproof silicone sealant

Product Description

Class 25 Good Weatherability Resistance General Purpose Silicone Sealant


General purpose, neutral cure silicone sealant for general sealing, general glazing, waterproofing applications




One part, neutral cure.

Easy of application.


Good weatherability and resistance to UV radiation ,heat and humidity, and ozone.

Excellent resistance to temperature extremes, unaffected performance from –50 ℃ to +150 ℃.

Good unprimed adhesion to wide range of substrates.

Good compatibility with other neutral silicone sealants.




GBUIBAO 996 is available in black, gray, white and other customized colours.




GBUIBAO 996 Neutral Silicone Sealant is formulated for weather and waterproofing seal of high-end window & door, and simple curtain wall.




These values are not intended for use in preparing specifications.

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





GB/T 13477 (ISO 8394) Extrusion rate ml/min. ≥80 418
GB/T 13477 (ASTM D2377) Tack free time h ≤3 0.7
GB/T 13477 (ISO 7389) Extension recovery % ≥80 90
GB 16776 (ISO 10563) Weight loss % ≤10 7
GB/T 13477 (ISO 8339) Tensile Modulus MPa >0.4  
GB/T 13477 (ISO 11600) Movement capability % ±25 ±25
JC/T 485 Adhesion after UV exposure  

No failure

No failure
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 water immersion  

No failure

No failure

*GB: Chinese National Standard

JC/T: Chinese Recommended Standard for Construction Materials

ASTM: American Society for Testing and Materials

ISO: International Standardization Organization




GUIBAO 996 is available in disposable cartridges (net 300ml),24 pieces to a carton, and sausages (net 500ml),20 pieces to a carton.




GUIBAO 996 is designed to meet or even exceed the requirement of:

Chinese national standard.

GB/14683-2003 25HM.

Complies with ASTM C 920.




GBUIBAO 996 should be stored in original unopened containers. It has a shelf life of 12 months from the date of manufacture.



GUIBAO 996 should not be applied:

For structural glazing.

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℃.

Class 25 Weatherproof General Purpose Silicone Sealant 0



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