TEROSON MS 939 is a 1-part, low modulus, flexible, odorless modified silane polymer adhesive used for elastic sealing and cures to an elastomeric thermoset product.TEROSON MS 939 is a black, white or grey, 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 LOCTITE MS 9371B.