Application: | Automobile, Construction |
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Bonding Function: | Structural Adhesive |
Color: | Black |
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SPU-321 HM is a one-component, moisture-curable, polyurethane-based, elastomeric adhesive sealant. After curing, it provides a permanently elastic bond to fasten materials with different coefficients of expansion.
1. Good Adhesion to a wide range of substrates.
2. Cures rapidly to a permanently elastic consistency with excellent cut and tear resistance.
3. Solvent free, no odor.
4. Surface paintable with water, oil, and rubber-based coatings.
5. Non-corrosive.
6. Provides shock resistance and vibration damping.
7. Exhibits high recovery, making it ideal for sealing dynamically moving joints.
8. Weather resistant.
Items | Technical Index |
Chemical base | 1-C polyurethane |
Color | black, white, grey |
Packaging | 310ml cartridge, 600ml sausage |
Density | 1.45± 0.05 kg/l |
Non-sag properties | Good |
Application temperature | 5°C-35°C |
Tack-free time* | 40-60 min. |
Curing speed* | ≥3.0mm/24 hrs |
Shore A hardness | ~40 |
Tensile strength | ~1.8N/mm2 |
Shear Strength | ~1 N/mm2 |
Elongation at break | ≥500% |
Tear propagation resistance | ≥10 N/ mm |
Service temperature (permanent) | -40°C to +90°C |
Short - term (1 day) | 120°C |
(1hour) | 140°C |
*= at 23°C and 50% relative humidity |
When stored at the recommended conditions in original, unopened containers, this product has a shelf life of 12months for cartridge and 9 months for sausage.
The shelf life of polyurethane sealant is related to the temperature and humidity of the environment. The recommended storage temperature is 5-25°C, humidity is < 50% RH. It is strictly prohibited that theThe product contains isocyanates, which may cause skin and eye irritation. Avoid eye-contacting and ingestion.
Oriental Yuhong entered the Chinese waterproofing industry in 1995 with the goal of providing high-quality waterproofing solutions for a variety of applications, including infrastructure projects and commercial and industrial buildings.The company is now the largest waterproofing system provider in Asia. Its products and services have been exported to more than 100 countries and regions such as the United States, Germany, Brazil, Australia, Canada, Russia, Japan, Singapore, South Korea, Central Africa, and South Africa.Oriental Yuhong has more than 50 subsidiaries and 27 manufacturing, research and development and logistics facilities. Yuhong's manufacturing facilities are world class, using the finest manufacturing equipment available. This allows the company to produce a full line of top-quality products, including modified bitumen waterproofing membranes, cold-applied self-adhering asphalt waterproofing membranes and thermoplastic (TPO) waterproof membranes etc.