FEATURES
Excellent structural bonding ability
The odorless, non-corrosive curing system
Neutral curing, high tensile strength, fast curing, Translucent.
Excellent resistance to weather, the life is 50 years under usual
weather;
Remains flexible over a temperature range of -58°F(-50°C) to 302°F(150°C)
Successfully tested for use in protective glazing applications
Excellent adhesion to glass and ceramics.
Good compatibility with other neutral silicone sealants
COMPOSITION
One-part, neutral-curing
RTV silicone sealant
APPLICATIONS
Glazing
Sealing in glass joints
Structural glazing in glass curtain wall
Structural glazing in big glass and glass roof structural
engineering
TYPICAL PROPERTIES
| Property | Result | Test method |
| As Supplied |
| Color | Translucent | |
| Working Time | 10-15 minutes | |
| Tack free time (23°C/73°F, 50% RH) | 10minutes | ASTM C679 |
| Curing Time | 7-14 days | |
| Full curing | 14-21days | |
| Flow, Sag or Slump | ＜0.1mm | ASTM C639 |
| Specific Gravity | 1.0g/cm³ | ASTM D1875 |
| VOC Content | 40-50g/L | |
| As Cured-After 21daysat 23°C/(73°F), and 50% RH |
| Durometer Hardness, Shore A | 20-60 | ASTM C661 |
| Ultimate Tensile Strength | 0.80MPa | ASTM C1135 |
| Ultimate Elongation | 200% | ASTM C 1135 |
| Tear Strength, Die B | 7500N/m | ASTM D624 |
| Peel Strength | 35ppi | ASTM C794 |
| As Cured-After 21daysat 23°C/(73°F), and 50% RH followed by 5,000 hours in a QUV weather meter, ASTM
G53 |
| Tensile Strength, at 100% elongation | 0.56 MPa | ASTM C1135 |
| Ultimate Tensile strength, at break | 0.75 MPa | ASTM C1135 |
| Specifications: Typical property data values should not be used as specifications.
Assistance with specifications is available by contacting Guangzhou Baiyun Technology CO.,LTD. |
DESCRIPTION
BAIYUN SS821 Silicone Structural Sealant is a one-component,
neutral curing translucent silicone sealant designed and tested for 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.
SPECIFICATIONS
BAIYUN SS821 Silicone Structural Sealant meets or exceeds the
requirements of the following specifications for structural
sealants.
Specifications:
·ASTM C1184, Type S, Use G and O
COLORS
BAIYUN SS821 Silicone Structural Sealant is available in translucent.
PACKAGING
BAIYUN SS821 Silicone Structural Sealant is available in 10.1 fl.
oz. (300 ml) plastic caulking cartridges.
USABLE LIFE AND STORAGE
When stored at or below 27ºC (80ºF) in the original unopened
containers, this product has a usable life of 12 months from the
date of manufacture.
LIMITATIONS
SS821 Silicone Structural Sealant should not be used, applied or
recommended:
In structural glazing applications unless Guangzhou Baiyun Technology CO.,LTD. has reviewed shop drawings for applicability and has performed
adhesion and compatibility tests on project substrates, spacer
materials and all accompanying accessories. Review and testing is
done on a project-by-project basis. No blanket approval is given by Guangzhou Baiyun Technology CO.,LTD. for structural glazing applications. Structural glazing industry
guidelines (ASTM C1401) suggest that drawings and details are to be
reviewed by all parties involved in the manufacture of an SSG
system and for each building project.
To building materials that bleed oils, plasticizers or solvents –
materials such as impregnated wood, oil-based caulks, green or
partially vulcanized rubber gaskets or tapes
In totally confined spaces as the sealant requires atmospheric
moisture for curing
When surface temperatures below 10ºC (50ºF) or exceed 40ºC (104ºF)
Where painting of the sealant is required, as the paint film may
crack and peel
In below-grade applications
For use as an interior penetration fire stop sealing system
In horizontal floor joints where abrasion and physical abuse are
likely to be encountered
To frost-laden or damp surfaces
For structural adhesion on bare metals or surfaces subject to
corrosion (i.e., mill aluminum, bare steel, etc.)
For contact with strong acids or bases
To surfaces in contact with food
For continuous immersion in water
This product is neither tested nor represented as suitable for
medical or pharmaceutical uses.
HANDLING AND SAFETY
PRODUCT SAFETY INFORMATION REQUIRED FOR SAFE USE IS NOT INCLUDED IN
THIS DOCUMENT. BEFORE HANDLING, READ PRODUCT AND MATERIAL SAFETY
DATA SHEETS AND CONTAINER LABELS FOR SAFE USE, PHYSICAL AND HEALTH
HAZARD INFORMATION. THE MATERIAL SAFETY DATA SHEET IS AVAILABLE
FROM BAIYUN SALES APPLICATION ENGINEER, OR DISTRIBUTOR, OR BY CALLING BAIYUN
CUSTOMER SERVICE.
HOW TO USE
Complete design and installation guidelines are contained in the
BAIYUN Technical Manual when using this product.
HEALTH AND ENVIRONMENT INFORMATION
For information and advice regarding transportation, handling,
storage and disposal of chemical products, users should refer to
the actual Material Safety Data Sheets containing physical,
ecological toxicological and other safety-related data.
LIMITED WARRANTY INFORMATION – PLEASE READ CAREFULLY
The information contained herein is offered in good faith and is
believed to be accurate. However, because conditions and methods of
using of our products are beyond our control, this information
should not be used in substitution for customer’s tests to
ensure that the products of Guangzhou Baiyun Technology CO.,LTD. are safe, effective, and fully satisfactory for the intended end
use. Suggestions of use shall not be taken as inducements to
infringe any patent.
The warranty of Guangzhou Baiyun Technology CO.,LTD. is that the product will meet the Guangzhou Baiyun Technology CO.,LTD. sales specifications in effect at the time of shipment. Your
exclusive remedy for breach of such warranty is limited to refund
of purchasing price or replacement of any product shown to be other
than as warranted.
