TEROSON® MS 939 FR is an industrial elastomeric bonding adhesive formulated for fire resistance.
Common Characteristics
TEROSON MS 939 FR is a gun-grade, one component sealant/adhesive based on silane modified polymer, which cures by reaction with moisture to an elastic product. The skin formation and curing times are dependent on humidity and temperature, and the curing time also depends on joint depth. By increasing the temperature and moisture these times can be reduced; low temperature as well as low moisture retard the process. . TEROSON MS 939 FR is free of solvents,
isocyanates, silicones and PVC. . It demonstrates good adhesion to many substrates and is compatible with suitable paint systems. The sealant also demonstrates good UV resistance and can therefore be used for interior and exterior applications. TEROSON MS 939 FR demonstrates the strength necessary for elastic bonding. TEROSON MS 939 FR is a flame retardant sealant and is therefore used for applications where reduced inflammability and low combustibility is needed, for example in vehicle construction.
Technical Data
| Parameter | Value |
|---|
| Shore A hardness (DIN EN ISO 868) | 55
|
| Depth of cure after 24 hr | 3
mm |
| Skin formation time | 20
min |
| Tensile strength (DIN 53504) | 3.5
Mpa |
| Elongation at break (DIN 53504) | 180
% |
| Service temperature range | -40 +100
°C |