Surtek 3969 Silane Modified Adhesive Sealant
DESCRIPTION
Surtek 3969 is a one-component elastic bonding adhesive sealant based on silane-modified polymer. It combines the advantages of both polyurethane and silicone, and thus is a new generation adhesive sealant. It is applied for adhesion and sealing with high elasticity and strength. It is heat resistant and cures quickly to form durable.
ADVANTAGES
One component, non sag, easy to apply
Fast Curing lead to high initial tack
Excellent adhesion without activator and primer
Good heat and UV resistance
CHARACTERISTICS
Appearance | Uniform Paste |
Color | Black, white, grey |
Sagginess | Non sag |
Density | 1.4 ± 0.05 kg/l |
Tack-free time* (23℃,50%RH) | ~20 min |
Rate of cure* (23℃,50%RH,mm/24h) | 3.5 mm per 24 hrs |
Elongation at break (GB/T528-1998) | ~550% |
Tensile strength (23℃,50%RH,7d) | ~2.5Mpa |
Shore A hardness (GB/T528-1998) | ~50 |
Application temperature (°C) | 5-40℃ |
Service temperature (continuous) Short exposure (up to 1 h) | -50°C to +100°C 120°C |
APPLICATION
Surtek 3969 can be used for the elastic and dynamic bonding of metal, wood and plastic, and elastic sealing of joints and seams in following industries: bus body, railway carriage, container, equipment engineering, air-conditioning and ventilation, metal and sheet metal working, plastics technology, ship building, etc.
ADHESION
Surtek 3969 has good adhesion on metal (fresh, parkerized, galvanized, painted), stainless steel, copper, aluminum (fresh, anodized, painted), glass, PA, PVC, PUR, polyester, most thermal plastics, EPDM, etc. But prior test is absolutely necessary.
PROCESS
Cleaning:
Clean surface to ensure the surface being clean, dry, free of oil, grease, and of sound quality.
Application of sealant:
Cut tip to desired shape and size. Puncture airtight seal. Install with hand or power operated gun and extrude the sealant into the joint. Clean excess sealant using hard rubber plate or finger wet with soap solution.
PACKAGING
310ml cartridge, 20 cartridges per carton
600ml sausage, 20 sausages per carton
STORAGE AND SHELF LIFE
Store in a cool and dry place (10~25 °C recommended). Avoid damage to the package. When stored at the recommended conditions in original, unopened containers, this product shelf life is 9 month (cartridge), 6 month (sausage).
NOTE
The information and recommendations related to the application and end-use of COMENS’ products are given in good faith based on COMENS’ current knowledge and experience of the products when properly stored, handled and applied under normal conditions. This information must on no account be used as a substitute for necessary prior tests which alone can ensure that a product is suitable for a given use, due to the practical differences in materials, substrates and actual site conditions. Users are requested to check that they are in possession of the latest version of this document and COMENS is at their disposal to supply any additional information.
