Structural Glazing Sealant -2 component is a fast curing, high modulus two-part neutral curing Structural Glazing Sealant intended for use in factory applications for the fabrication and weather sealing of utitized curtain wall panels and bonding metal and glass substrates together to form curtain wall panels. Once cured it forms a long-lasting structural bond that is able to resist UV, variations in temperature, weather and movement.It meets the requirements of ASTM C1184 and ASTM C920 type M Grade NS Class 25 and has a high movement accommodation factor (MAF) of +/- 25% and has excellent adhesion to a wide variety of substrates.