BAI YUN® SS628 Silicone Structural Sealant Excellent weather ability and high resistance to ultraviolet radiation

Features

• High level of mechanic properties: High strength

• Non-corrosive curing system

• No unpleasant odor during curing.

• Excellent weather ability and high resistance to ultraviolet radiation, heat and humidity, ozone and temperature extremes

• Remains flexible over a temperature range of -58°F(-50°C) to 302°F (150°C)

• Successfully tested for using in protective glazing applications

• Excellent unprimed adhesion to wide range of substrates including coated, enameled and reflective glasses, anodized and polyester coated or painted aluminum profiles

• Good compatibility with other neutral silicone sealants
  
  Composition

• Two part, neutral-curing

• RTV silicone sealant

  
  Applications

• As a secondary edge adhesive sealant in insulating glass units.

• Structural attachment of many panel systems.

• Protective glazing applications

• Panel stiffener applications
  
  Typical properties

Specifications

·ASTM C1184, Type M, Use G and O

· GB 16776


Colors
Part A(Base):: White; Part B(Catalyst): Black; After Mixed: Black.

Package
Part A(Base): 180 L drum
Part B(Catalyst): 19 L pail

Storage and shelf life:
12 months from the date of manufacture when stored at or below 27ºC (80ºF) in the original unopened containers.

Product limitation:
This product should not be applied:

• In structural glazing applications, unless Guangzhou Baiyun Chemical Industry 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 Chemical Industry 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

• 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

• For water immersion applications.
  Do not apply acid-curing (Acetoxy) silicone sealants to this product as this may cause loss of adhesion of SS628 Two Parts Silicone Structural Sealant to glass or other substrates used in the system.

  
  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
  BAIYUN SS628 Two Parts Silicone Structural Sealant, when used in structural applications, must be reviewed by BAIYUN technical service specialists.
  Complete design and installation guidelines are contained in the BAIYUN Technical Manual when using this product.
  
  Method of application
  BAIYUN SS628 Two Parts Silicone Structural Sealant should be mixed and dispensed using two-component mixing equipment, which is available from several equipment manufacturers. These mixing pumping systems are specifically designed to meter precise proportions of A base and B catalyst, in an air-free environment, and mix and dispense material at proper pressures and volumes to insure thoroughly mixed air-free material.
  BAIYUN SS628 Two Parts Silicone Structural Sealant should be mixed in a ratio from 12:1 to 14:1 base to Catalyst and Base by weight, or equivalent 9:1 to 11:1 by volume for optimal properties. At this ratio, the sealant typically exhibits a working time of 20-90 minutes.
  
  
  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.
  
  

Humanity's desire for a better life has never changed. Wonderful life will become more and more vivid due to professionalism and foresight. With a pure heart and long-lasting faith, Baiyun Technology, founded in 1985, adheres to the heart of a craftsman and is committed to providing sealing and bonding system solutions for building curtain walls, insulating glass, doors and windows ,civil buildings, prefabricated buildings, home decoration and lighting, electrical appliances, home furnishings, energy, transportation, electronics and other industrial fields, leading the industry in safety, health, green sustainable development. Baiyun is your perfect choice.

Baiyun Technology promises: "Better future, excellent life".

Baiyun is the one of the first production and sales enterprises for silicone structural sealant which was approved by the State Economic and Trade Commission. Our company was the only one of the industry which was rated as “demonstration base for the industrialization of the new technology of building sealant” by the Ministry of Construction, and Baiyun has been rated as the “International Cooperation Base” as awarded by the Ministry of Science and Technology of the State, and the “one of the first prefabricated building industrial bases of the State” as awarded by the Ministry of Housing and Urban-Rural Development. Moreover, Baiyun is the key high-tech enterprise of the national torch program and is the enterprise with Chinese famous trademark as approved by the Trademark Office under the State Administration of Industry and Commerce.

Our company has established China’s first automatic continuous production line which boasts the world’s advanced level and proprietary intellectual property right. We also have over 430 patents (The patent for invention accounts for over 60%) and the first CNAS laboratory of the industry whose testing ability covers five standards. Baiyun has involved in the drafting and revision of 220 international and industrial standards and in the revision of six international standards. Baiyun has also established a provincial technical center, an engineering technological research and development center, a post-doctoral research center, and an enterprise workstation for expert academician. Baiyun works in a professional, devoted and concentrated way and strives to play a leading role in the chemical new materials realm and to allow users to have wonderful experience for using our product.

Confident and passionate Baiyun staff who are full of self-improvement and sunshine adhere to the core values of “sense of responsibilities, create value and share fruit” and learn their responsibilities by heart whist never forgetting their original intention. All our staff shall work hard to realize the corporate vision of “leading sealant brand of the world” and to become your most loyal alliance of responsibility.

Baiyun promises to work with you to beautify the city and march toward a brilliant future and an outstanding life.