SMP Featured Product Series
Bostik has published several blogs on Silyl Modified Polymer (SMP) technology. We have already looked at STR220A, but now let’s look at another product in particular:
STR350A, Multipurpose Adhesive/Sealant
What is it?
Bostik STR350A is a good compromise between an adhesive and a sealant. It is based on SMP and is suitable for making elastic constructive joints and elastic constructive joints and elastic sealings.
Why is it beneficial?
STR350A is a high quality, multipurpose product. It is especially developed for bonding and sealing in bus, caravan and trailer construction. Because it bonds well without primer on clean, dry, dust and grease free substrates of aluminum, stainless steel, galvanized steel, zinc, copper, brass, powder coated metal, glass, wood and more, its versatility makes this product very useful.
Key Features
- Solvent, isocyanate and PVC free
- Very good UV-resistance and aging properties
- Neutral and odorless curing
How to Use It:
STR350A easily can be extruded with a hand or air pressure gun at temperatures between 41°F to 95°F. In sealing applications, STR350A should be tooled or smoothened within 10 minutes with a spatula or putty knife, occasionally moistened with a soap solution.
Special Recommendations
In case of high adhesion demands, the use of Prep M is recommended. Prep M degreases and prepares the surface of the substrate in one step. On plain, untreated wood surfaces and other porous substrates, Prep G is recommended.