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BAIYUN SMP 321 Industrial Silicone Sealant

Basic Information
Place of Origin: Guangzhou, China
Model Number: SMP321
Minimum Order Quantity: Cartridge Packaging 1000PCS
Price: Negotiation
Packaging Details: 300ml Cartridge package
Delivery Time: 7-14days
Payment Terms: L/C, T/T
Supply Ability: 1000000PCS/month
Detail Information
Brand Name: BAIYUN Type: One Component
Item: SMP321 Usage: Bonding And Sealing Of Windshields And Side Windows Such As Trains/buses/cars/trucks
Package: 300ml Cartridge Or 590ml Sausage Shelf Life: 6 Months
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SMP 321 Industrial Silicone Sealant


BAIYUN Industrial Silicone Sealant


industrial ms sealant

Product Description

BAIYUN ® SMP321 high strength ms sealant industrial ms sealant suitable for car,truck,bus windshield fasten and bonding

SMP321 locomotive silane modified polyether



SMP321 locomotive silane modified polyether adhesive is a one-component, high performance, neutral curing adhesive. The product is environmentally friendly, does not contain toxic and hazardous substances, and has good bonding ability to most substrates such as metal, glass, ceramics, wood, polyvinyl chloride (PVC), polycarbonate (PC), etc., and the surface can be finished after curing. It can be widely used for bonding and sealing of windshield and side window glass such as various trains/buses/cars.

BAIYUN SMP 321 Industrial Silicone Sealant 0

1. Product Features

  • Environmentally friendly products: fast curing, low VOC, non-toxic and tasteless, no pollution to the substrate, no corrosion.
  • The surface can be painted: the surface of the surface can be painted with paint.
  • Good operability: single component, easy to operate, good extrudability in the temperature range of 4 ° C ~ 40 ° C, can be directly applied by glue gun extrusion.
  • Excellent adhesion: Excellent adhesion to metals, glass, ceramics, wood and PVC, PC, PA and other materials.
  • Excellent weathering, aging, dielectric and mechanical properties.


2. Applications

  • Bonding and sealing of windshields and side windows such as trains/buses/cars/trucks.

3. Typical Technical Data

Inspection Items Test Results Test Standards
Color Black/White/Grey  
Curing way Curing by moisture  
Working Temperature (℃) -40~100 ℃  
Tack-free time(min) 20~30 GB/T 13477-2002
Curing Speed(mm/24h) 4~5  
Density(g/cm3) 1.4 GB/T 13477-2002
Hardness (Shore A) 50 GB/T 531-2009
Tensile Strength(MPa) 3.5 GB/T 528-2009
Break Elongation (%) 400 GB/T 528-2009
Shear strength (MPa) 2.5 GB/T 7124-2008
Tear strength(N/mm) 20 GB/T 529-2008
Shelf life(month) 9  


4. Standards

  • The product meets or exceeds the requirements of the corporate standard Q/BYHG 3.

5. Package

  • Packed in plastic barrel with net capacity of 300ml or 590ml sausage

6. Technical Service

◆ Provide complete technical data of products;

◆ Debug products formulation as required by users, meet requirements of users to certain special performances of products;

◆ Provide adhesive test for users, appraise adhesive performance of rubber products for industry of the company and material selected by users, and offer the contents such as in experimental results, recommended surface washing method of products and whether priming or not in writing to users;

◆ Welcome users to cooperate and communicate with our engineers to discuss and find out resolving plans together.


7. Notices

  • The product is nonpoisonous after curing completely, but it should be avoided connecting with eyes and children before curing. It should be noticed to ventilate for work environment.

8. Storage Period

  • Kept in shade and dry place under the temperature 27℃, useful life of neutral sealant is 9 months (since production time).


9. Safety Instructions

  • This product is not toxic after it is fully cured, but should avoid contact with eyes before curing. If it is in contact with eyes, please rinse with plenty of water and consult a doctor; uncured products should be kept out of contact with children.

10. Guarantee

  • The company has passed ISO9001/ISO14001/OHSAS18001 management system certification, and strictly produces and controls product quality according to ISO9001 quality system requirements;

11. Purchase Methods

  • Users can go directly to Guangzhou Baiyun Chemical Industry Co., Ltd. or regional agents designated by the company to ensure the quality and authenticity of the products.

Notice for users: The contents issued by the paper are reliable data. As the actual cases differ, we cannot grasp all conditions. Therefore, we cannot guarantee accuracy and adaptability of our products on certain usage and application. Users should understand products in detail before using them, and then determine the best usage relying on their own minds.

BAIYUN SMP 321 Industrial Silicone Sealant 1

Contact Details
Kris Ke

Phone Number : +86 18613030819

WhatsApp : +8618613030819