Origin |
China |
Model Number |
SS721 |
Brand Name |
Baiyun |
color |
available in translucent |
DESCRIPTION
SS721 Big Glass Silicone Structural Glazing Sealant is a translucent one-component, high strength acetoxy curing silicone sealant designed and tested for big glass structurally glazed curtain wall applications. The material is supplied as a paste, which cures into an extremely tough elastomeric silicone rubber ensuring a durable, flexible, watertight bond upon exposure to atmospheric moisture.
CHARACTERISTICS
SS721 Big Glass Silicone Structural Glazing Sealant belongs to RTV-1 product;
Acetoxy cure, high tensile strength, fast curing, Translucent, no change of color;
Excellent adhesion to glass and ceramics;
Excellent resistance to weather, the life is 50 years under usual weather;
APPLICATIONS
Glazing;
Sealing in glass joints;
Structural glazing in glass curtain wall;
Structural glazing in big glass and glass roof structural engineering;
TYPICAL PROPERTIES
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Property
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Result
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Test method
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As Supplied
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Color
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translucent
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Tack free time(23°C/73°F, 50% RH)
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35 minutes
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ASTM C679
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Curing Time 23ºC (73ºF) at 50% RH
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7-14 days
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Full Adhesion
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14-21 days
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Flow, Sag or Slump
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0.1 inches max
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ASTM D2202
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Working Time
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10-20 minutes
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Specific Gravity
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1.02
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As Cured
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Durometer Hardness, Shore A
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32
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ASTM D2240
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Ultimate Tensile Strength
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0.72MPa
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ASTM C1135
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Ultimate Elongation
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126%
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ASTM C1135
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Tensile at 25% Elongation
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0.35MPa
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ASTM C1184
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Tensile at 50% Elongation
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0.55MPa
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ASTM C1184
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Joint Movement Capability
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±12.5%
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ASTM C719
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Specifications: Typical property data values should not be used as specifications. Assistance with specifications are available by contacting Guangzhou Baiyun Chemical Industry CO., LTD.
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APPLICABLE STANDARDS
SS721 Big Glass Silicone Structural Glazing Sealant meets or exceeds the requirements of the following specifications for one-part sealants.
ASTM Specifications:
C1184, Type S, Use G and O
C920; Type S, Grade NS, Class 12.5, Use NT, A, G, O
European Standard:
ETAG 002
COLORS
SS721 Big Glass Silicone Structural Glazing Sealant is available in translucent.
PACKAGING
SS721 Big Glass Silicone Structural Glazing Sealant is available in 10.1 fl. oz. (300 ml) plastic caulking cartridges.
LIMITATIONS
SS721 Big Glass Silicone Structural Glazing Sealant should not be used, applied or is not recommended:
For all kinds of material that can effuse grease, plasticizer or solvent;
For the airproof location, because it is required to absorb water in air to cure for the sealant;
For the frosty or moist surface;
For the continually soggy or moist place;
For metal and coated glass;
For the alkaline materials like marble, granite etc;
The product if the temperature is below or above on the surface of the materials.
TECHNICAL SERVICES
Complete technical information and literature are available from Guangzhou Baiyun Chemical Industry CO., LTD.
The following materials are required to be submitted to Guangzhou Baiyun Chemical Industry CO., LTD. to receive suggestions for the use of SS721 Big Glass Silicone Structural Glazing Sealant.
Architectural and shop drawings for review and comment.
Design wind load requirement(s) for project.
Glass or panel sizes.
Production samples of metal, glass, gaskets, spacers and setting blocks with type and manufacturer identified.
Specification and/or identification of paint or finish to which SS721 Big Glass Silicone Structural Glazing Sealant is intended to adhere (i.e., 215-R1 anodized or if paint; manufacturer, finish system and ID#).
Guangzhou Baiyun Chemical Industry CO., LTD. will provide the following, after reviewing the materials above:
Determination as to whether the submitted joint dimensions meet the minimum design criteria necessary for the use of SS721 Big Glass Silicone Structural Glazing Sealant.
Short-term adhesion data using (typically) the ASTM C794 and/or ASTM C1135 test method. Other test methods may be employed.
Short-term compatibility test results on gaskets, spacers and setting blocks and other accessories per ASTM C1087 or Guangzhou Baiyun Chemical Industry CO., LTD. test method for compatibility.
Information regarding suggested primers, when required.
Guangzhou Baiyun Chemical Industry CO., LTD. will not:
Design sealant joints.
Provide comments on the structural integrity of overall framing system(s).
Provide long-term performance data.
The design professional has final responsibility for the determination of structural sealant joint dimensions based on project conditions, design wind load(s), glass or panel sizes, anticipated thermal, seismic or other movement of the system.
The ASTM C1401 Standard Guide for Structural Sealant Glazing provides a thorough overview of design topics and information for use in SSG systems.
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