310ml Easy to construct 1-part MS polymer adhesive sealant for vehicle and yacht industry
High-strength MS Polymer adhesive -MS121
MS121 is a high-quality one-component adhesive sealant based on MS Polymer technology.
It has good sealing performance and cohesion, no corrosion to the bonded substrate, no pollution, no pollution to the environment, and good adhesion to metal, galvanized sheet, stainless steel, sheet metal, and other materials.
1. Environmental protection, no irritating odor, and paintable;
2. Easy to apply, no bubbles during curing
3. Fast curing speed;
4. Good weather resistance, UV resistance, good durability, and shock resistance.
1. Vehicle glass bonding and sealing, vehicle body sealing and bonding, etc.
2. Yacht glass bonding, interior parts bonding, and sealing, etc.
3. Used in elevator and machinery industries; for bonding and sealing of metal, plastic, wood, glass, ceramics and other materials.
| Items |
Standard |
Specification |
Typical value |
| Appearance |
Visual |
Uniform paste |
Black / white / gray
uniform paste |
| Density (g/cm3) |
GB/T 13477 |
1.5 ± 0.1 |
1.48 |
| Sagging (mm) |
GB/T 13477 |
< 1 |
0 |
| Tack free time (min) |
GB/T 13477 |
10 ~ 40 |
15 |
| Curing speed (mm/d) |
HG/T 4363 |
≥ 3.5 |
3.8 |
| Solid content (%) |
GB/T 2793 |
≥ 97 |
99 |
| Hardness (Shore A) |
GB/T 531 |
45 ± 5 |
50 |
| Tensile strength (MPa) |
GB/T 528 |
≥ 2.0 |
2.5 |
| Elongation at break (%) |
GB/T 528 |
≥ 350 |
400 |
Shear strength (MPa)
3003 Alu -3003 Alu |
GB/T 7124 |
≥ 1.5 |
1.8 |
Shear strength
FRP - FRP (MPa) |
GB/T 7124 |
≥ 1.5 |
1.8 |
| Service temperature ( ºC) |
/ |
-40 ~ +90 |
/ |
| Note: The above typical values were all detected at 23 ± 2 ºC and 50 ± 5% RH; |
Tube packaging: 310ml/tube; 20 tubes/carton
Foil sausage packaging:600ml/ sausage,20 sausages/carton;
Bucket: 20L/bucket
Drum: 200L/drum.
Shelf life: 9 months in unopened packaging in a cool and dry storage place at temperatures between +8ºC to + 28ºC
Shanghai Sepna Chemical Technology Co., Ltd is special for Polyurethane sealant MS polymer adhesive sealant for automotive glass, bus, and construction joint sealing, bonding. We have been 10+ years in this industry, acquired Switzerland PUNADE in 2005, as the leader of odorless technology in China. With Suzhou, Shanghai has two R&D bases.
At the same time. we have established an excellent sales service team and cooperated with the leading industry of VW, Volvo, Mercedes, Brilliance, Etc. Sepna's products have been widely used in the international market, mainly in North America, South America, Asia, Southeast Asia Middle East and Oceania, etc. Until now, she has serviced nearly 1000 enterprises all over the world.
| Certification and Exhibition |
1. Outstanding manufacturers and powerful factories.
2. OEM / ODM AVAILABLE (Professional design team providing package design solutions for OEM / ODM customers free of charge.
3. Free Samples.
4. Imported Raw Materials and Test Equipment.
5. Strict quality control (We have passed GB/T 19001-2016, IS09001:2015, and IATF 16949:2016 quality system authentication, and we can provide ROHS/SGS/ MSDS certification of products).
6. Deliver in 7-15 Days after payment.
7. Excellent QC Team and R&D Team.
Samples: Express ( FedEx, DHL, TNT, UPS, etc.)
Cargo: By Sea ( FCL / LCL), By Air, By Railway, By truck, etc.
Q1. How to get an accurate quotation from us?
A1. Please provide your requirements, product specifications, quantity, and trade terms.
Q2. Can you provide OEM service?
A2.Yes.Private labeling service is available
Q3. How to be SEPNA's distributor?
A3.As the growing of Sepna's global business, we need to find more and more distributors and agents
worldwide. SEPNA will provide the best solution and service for our partners.
For more information, pls contact our salesperson or call us:+86-400-882-1323
Q4. Can I get a sample?
A4. Yes. We offer free samples
Q5. What is your product's shelf life?
A5.9 months when stored in cool dry and well-ventilated areas under 25ºC.
Click here to get the best price.
Audited Supplier 
){kind=link}