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BAI YUN Weather Resistant SMP Prefabricated Building Sealant

Basic Information
Place of Origin: CHINA
Brand Name: BAI YUN®
Certification: ASTM C920
Model Number: SMP651
Minimum Order Quantity: Cartridge / Sausage Packaging 1000PCS;Drum Packaging 3Kits
Price: Negotiation
Packaging Details: 590ml
Delivery Time: 7-14days
Payment Terms: L/C, T/T, D/A
Supply Ability: Cartridge / Sausage Packaging 1000000PCS/month; Drum Packaging 10000 Kits / month
Detail Information
Material: Silane Modified Volume: 590ml
Color: Black, Gray, White Package: 20pcs/boxes, 60 Boxes/pallet
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SMP Prefabricated Building Sealant


BAI YUN Weather Resistant Sealant

Product Description

BAI YUN®SMP651 Silane Modified Polyether Sealant ±25% movement capability, exhibit stable performances



  • Environmental friendly: low VOC, nonpoisonous, no staining or corrosion to substrate.

  • < >: can be painted with most coatings, outstanding compatibility.

    Excellent workability: single component, good extrusion between 4~40℃, very easy to tool.

  • Outstanding adhesion: bond to most construction materials without primes.

  • Movement Capability:±25%, exhibit stable performances during normal shape change from stretch and shearing of joint inside the constructions.

  • Excellent physical properties: Excellent weather resistance, excellent resistance to aging.



  • Sealing of building joints or cracks for indoors decoration(ceiling, kitchen, windows, walls).

    Technical characteristics:




Test method

Tack-Free Time(min) 30~60 ASTM C679
Specific Gravity(g/cm3) 1.40~1.60 ASTM
Hardness(Shore A) 10~30 ASTM C661
Joint Movement Capacity(%) ±25 ASTM C920
Adhesion and Cohesion under Cyclic Movement No failure ASTM C719
Adhesion-in-Peel Use Aluminium Peel strength 122N ASTM C794
Use Mortar Peel strength 114.5N
Adhesion-in-Peel Exposed to UV(200h) Use Glass Peel strength 109.8N
Effects of Accelerated Weathering(250h) Appearance No cracks ASTM C793
Bend test(-26℃) No cracks
Shelf Life(month) 12  


Product limitation:

This product should not be used, applied or not recommended:

  • In conditions above 80℃.

  • In structural glazing applications.

  • In totally confined spaces as the sealant requires atmospheric moisture for cure.

  • In applications for immersion or always wet conditions.

  • On substrates that can extrude grease, plasticizer or solvent.

  • On substrates made of polypropylene, polyethylene and polytetra fluoroethylene.


    Technical services:

    Complete technical data and adhesion/compatibility tests are available from Guangzhou Baiyun Chemical Industry CO., LTD.

    Staining test service is also provided for clients. Clients can send the substrates to us by mail(or other ways), then we will carry out the staining test and give the test report.


    Storage and shelf life:

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



    Repairs should not be needed in ordinary situations. If sealant is damaged and needs repairs, please remove damaged parts and clean surfaces with isopropyl alcohol, then seal the damaged region with this product. SMP651 silane modified polyether sealant for prefabricated construction can firmly bond to cured silane modified polyether sealant.


    590 mL sausage


    Black, gray and white (standard colors)

    Other wide variety of colors (customized)


    Directions for use:

    Before embarking on any work involving SMP651 silane modified polyether sealant for prefabricated construction, the safety data sheet should be carefully studied by those carrying out the work.

  • All surfaces must be structurally sound, clean, dry and free of oil, grease, asphalt, and any loose particles.

  • Mask adjacent surfaces. Install approved backing material where necessary.

  • Cut the nozzle to the required diameter.Apply sufficient sealant into joint sides to ensure complete contact

  • Tool in 10 minutes. Remove masking immediately after tooling.

  • Keep good ventilation during construction and cure.

  • To confirm optimum adhesion on either a porous or nonporous surface, adhesion testing should always be carried out prior to the commencement of any project and be carried out at regular intervals during the project.



    Avoid eye contact with uncured sealant, especially children. In case of eye contact, flush eyes with water or obtain medical attention immediately.



    ASTM C920 Class 25

    BAI YUN Weather Resistant SMP Prefabricated Building Sealant 0

Contact Details
Erick Liu

Phone Number : +8613711658676

WhatsApp : +8618613030819