1-part, low modulus, flexible, odorless modified silane polymer adhesive used for elastic sealing. It cures to an elastomeric thermoset product.TEROSON MS 939NA is a black, white or gray, 1-part, low modulus, flexible, odorless modified silane polymer adhesive used for elastic sealing. It cures to an elastomeric thermoset product resistant to UV. It is sag-resistant leading to high initial tack. It is non-corrosive and free of solvents, isocyanates, silicones and PVC. The cure speed can be accelerated by using MS 9371B.