Silicone Sealant for Construction
Characteristics
- One part, easy to use
- Neutral cure, non-corrosive to the surfaces to be sealed
- Outstanding weather aging resistance, 50 years of service life under normal weather conditions.
- Outstanding extreme temperature resistant ability, little property change under the temperature ranging from 40 0C to 200 0C
- Excellent unprimed adhesion to most building materials
- Superior fire-retardant property
Basic Uses
- Fireretardant seal of glass curtain walls, aluminum curtain walls, and metal structure projects, sealing glass directly to metal surface to meet design requirement of hidden or semi-hidden curtain walls
- Secondary seal of insulating glass
- Fire-proof seal of various windows and doors, and public facilities
- For a variety of other construction and industrial uses
Applicable Standards
Guibao GF999 meets or even exceeds the following standards:
- China GB16776-1997 Silicone Sealant for Construction Use
- Enterprise standard Q/71304249-7-002-2004
- Fire-Retardant Silicone Sealant for Construction Use
Colors
GuibaoGF999 is available in black, gray, white and other custom-made colors
Packaging
GuibaoGF999 is supplied in 300ml plastic cartridges and 590ml foil sausages.
Storage and Shelf Time
GuibaoGF999 should be stored in dry and cool places at the temperature ranging from 0 to 27, under which the shelf life is nine months from the date of manufacture as included on product packaging.
Curing Time
On contacting air, the sealant begins to cure in a surface-to-interior sequence. Its tack free
time is about 60 minutes, and the final cure and optimum adhesion occurs 21 days later.
Typical Technical Properties
|
S/N
|
Property
|
Standard
|
Testing Result
|
Testing Method
|
|
1
|
Droop Degree (vertical) mm
|
≤3
|
0
|
GB/T 13477
|
|
2
|
Extrudability s
|
≤10
|
2.7
|
|
3
|
Tack-free time h
|
≤3
|
0.3
|
|
4
|
Working Time 20 min, s
|
≤10
|
|
|
5
|
Shore Hardness |
3060
|
46
|
|
6
|
Weight Loss On Heating %
|
≤10
|
3.1
|
GB/T 531
|
|
7
|
Tensile Strength
Mpa
|
Standard
|
≥0.45
|
1.03
|
GB16776
|
|
90 oC
|
≥0.45
|
0.81
|
GB/T 13477
|
|
-30 oC
|
≥0.45
|
1.40
|
|
After Water Soaked
|
≥0.45
|
1.00
|
|
After exposure to water-ultraviolet rays
|
≥0.45
|
0.85
|
|
8
|
Fire Retardant
|
FV-0
|
FV-0
|
GB/T 2408-1996
|
Application Limitations
Guibao GF999 should not be applied
- To the materials that bleeds oil , plasticizer or solvent, such as impregnated wood
- To the places without ventilation, for GF Guibao 999 requires atmospheric moisture in the air to cure
- To frost laden or damp surfaces
- To places damp all the year round or continuously immersed in water
- When surface temperature is below 4 OC or over 40 0C
Safe Handling Information
Completely cured GuibaoGF999 is not toxic, but avoid contacting eyes before it is cured. In case that happens, wash with plenty of water and seek medical treatment. Uncured Guibao GF 999 should be kept away from children. The product gives off alcoholic substance, so construction areas and curing areas should be kept ventilated to avoid the unfavorable effect on human health caused by the over-concentration of alcoholic substance.
Technical Services
Complete technical information and literature, adhesion testing, compatibility testing and staining testing are available from Guibao.
Disclaimer
Guibao believes that the information is an accurate description of the typical characteristics and/or uses of the product or products. It is customers responsibility to thoroughly study and test the product in the specific application to determine its performance, efficacy and safety.
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