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Chengdu Guibao Science & Technology Co., Ltd.,
Chengdu Guibao Science & Technology Co., Ltd.,
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Construction Structural Silicone Sealant One Part Black

Construction Structural Silicone Sealant One Part Black

Brand Name : GUIBAO
Model Number : 999
Certification : ISO, SIRIM
Place of Origin : CHINA
MOQ : 2000 pcs
Price : Negotiable
Payment Terms : T/T
Supply Ability : 20000 pcs/4 working days
Delivery Time : 4 working days
Packaging Details : Cartridges (net 300ml) , sausages (net 590ml).
Usage : Construction
Main raw material : Silicone
Color : Black, gray, and white
Feature : One part, neutral cure
Shelf life : 12 months
Volume : 300ml/plastic cartridges,590ml/aluminium sausages
Package : in cartons
Application : Structural bonding and glazing applications for glass curtain walls, aluminum curtain walls, terracotta curtain walls and metal structures. Other construction structural glazing applications
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One Part Silicone Structural Glazing Sealant Construction Silicone Sealant


High tensile strength sealant ideally suited for structural bonding and glazing applications.


FEATURES


One part, neutral cure to form an extremely tough elastomeric rubber ensuring a durable, flexible, and watertight bond.

Non-corrosive to glass, metal etc.

Excellent weatherability and high resistance to ultra-violet radiation, heat and humidity, and ozone.

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

Excellent unprimed adhesion to wide range of substrates.

Good compatibility with other neutral silicone sealants.


COLOURS


GB 999 is available in black, gray, and white.


PACKAGING


GB 999 is available in disposable cartridges (net 300ml) and sausages (net 590ml).


BASIC USES


GB 999 Silicone Structural Glazing Sealant is designed for:

Structural bonding and glazing applications for glass curtain walls, aluminum curtain walls, terracotta curtain walls and metal structures.

Other construction structural glazing applications


TYPICAL PROPERTIES


These values are not intended for use in preparing specifications


Test MethodPropertyUnitStandardResult
GB/T 13477 (ISO 7390)Slumpmm≤30
GB/T 13477 (ISO 8394)Extrusion rates≤101.6
GB/T 13477 (ASTM D 2377)Tack free timeh≤31.0

GB/T 531.1 (ISO 7619)

53113477

HardnessShore A20~6049
GB 16776 (ASTM C 792)Heat Aging
weight loss%≤103.6
crackingNilNil
chalkingNilNil
GB/T 13477 (ISO 8339)Tensile strength

MPa


23℃≥0.601.08
90℃≥0. 450.90
-30℃≥0. 451.3
water immersion≥0. 451.12
water-UV exposure≥0. 451.03
adhesion failure%≤5.000
elongation at ultimate tensile strength at 23℃%≥100220

*GB: Chinese National Standard

ASTM: American Society for Testing and Materials

ISO: International Standardization Organization


SPECIFICATIONS


GB 999 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.


CURE TIME


As exposed to air, GB 999 begins to cure inward from surface. Its tack free time is about 60 minutes, the full and optimal adhesion forms in about 21 days.


SHELF LIFE


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


LIMITATIONS


GB 999 should not be applied:

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℃.


HOW TO USE


Surface Preparation

Clean all joints removing all foreign matter and contaminants such as oil, grease, dust, water, frost, old sealants, surface dirt, or glazing compounds and protective coatings.


Application Method

Install back-up materials or joint fillers, setting blocks, spacer shims, and tapes. Mask areas adjacent to joints to ensure neat sealant lines. Primer is generally not required for non-porous surfaces, but may be necessary for optimal seal performance of certain porous surfaces. So adhesion test is always recommended.

Apply GB 999 in a continuous operation using dispensing guns. Before a skin forms, tool the sealant with light pressure to spread the sealant against the backing materials and joint surfaces. Remove masking tape as soon as the bead is tooled.


SAFETY INFORMATION


GB 999 is a chemical product, not edible, no implantation into body and should be kept away from children.

Cured silicone rubber can be handled without any risk to health.Should uncured silicone sealant contact with eyes, rinse thoroughly with water and seek medical treatment if irritation persists.

Avoid prolonged exposure of skin to uncured silicone sealant.

Good ventilation is necessary for work and cure places.


TECHNICAL SERVICES

Complete technical information and literature, adhesion testing and compatibility testing are available from Guibao.


DISCLAIMER


The information presented herein is offered in good faith and is believed to be accurate. However, because conditions and methods of using our products are beyond our control, this information should not be used in substitution for customer’s tests to ensure that our products are safe, effective, and fully satisfactory for specific applications.



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