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Chengdu Guibao Science & Technology Co., Ltd.,
Chengdu Guibao Science & Technology Co., Ltd.,
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Transparent Construction Silicone Sealant For Skylight / Watertight Silicone

Transparent Construction Silicone Sealant For Skylight / Watertight Silicone

Brand Name : GUIBAO
Model Number : 993
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),24 pieces to a carton.
Usage : Construction
Color : black,transparent
Shelf life : 12 months
Volume : 300ml
Packing : 300ml
Package : in cartons
Application : Glazing , watertight joint seal in skylight engineering. Glazing and watertight seal for the ceilings over the waiting halls at airports, railway stations and bus stations. Sealing other construction joints with greatly high movement or safety requiremen
Feartures : One part, neutral room temperature cure
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Construction Silicone Sealant for Skylight Silicone Weatherproofing Sealant


High performance neutral cure silicone with superior elasticity, movement accommodation and weatherability, ideally suited for skylight joint seal 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 rateml/min.≥80232
GB/T 13477 (ASTM D2377)Tack free timeh≤32.0
GB/T 13477 (ISO 7389)Extension recovery%≥7093
GB/T 13477 (ISO 8339)Tensile strength

MPa


23℃≤0.40.36
-20℃≤0.60.45
GB/T 13477 (ISO 37)Elongation at break%≥300426
GB/T 13477Adhesion at fixed stretch

No failure

No failure
GB/T 13477Adhesion after heat contract and cold extension

No failure

No failure
GB/T 13477Adhesion after water immersion and UV exposure

No failure

No failure

*GB: Chinese National Standard

ASTM: American Society for Testing and Materials

ISO: International Standardization Organization


FEATURES


One part, neutral room temperature cure.

Superior elasticity, low modulus, remain stable and flexible from –50 ℃ to +150 ℃.

Outstanding weatherability and resistance to UV, snow, rain, ozone, water and etc.

Excellent unprimed adhesion to most building materials.

Non staining or corrosive to most building materials.

Fast cure rate, easy to use.


COLOURS


GB 993 is available in black and translucent.


PACKAGING


GB 993 is available in disposable cartridges (net 300ml),24 pieces to a carton.


BASIC USES


GB 993 Silicone Sealant for Skylight is a high performance silicone sealant specially designed for:

Glazing , watertight joint seal in skylight engineering.

Glazing and watertight seal for the ceilings over the waiting halls at airports, railway stations and bus stations.

Sealing other construction joints with greatly high movement or safety requirement.


SPECIFICATIONS


GB 993 is designed to meet or even exceed the requirement of:

China national specification.

GB/T 22083-2008 class50.

Complies with ASTM C 920.


STORAGE AND SHELF LIFE


GB 993 should be stored in original unopened containers. It has a shelf life of 12 months from the date of manufacture.


LIMITATIONS


GB 993 should not be applied:

For structural glazing.

To the materials that bleed oils , plasticizers or solvents, such as impregnated wood.

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℃.


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 993 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 993 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 &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 intended specific applications.



Product Tags:

two part silicone sealant

      

weatherproof silicone sealant

      
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