Description Our insulating glass silicone sealant is a neutral curing silicone sealant with high modulus and high strength, purposely designed for glazing insulating glass. It has the advantage of low air permeability. Our insulating glass silicone sealant works with two-component mixing equipment and the two components react quickly after mingled in scale, then cures to elastomer. Applications As a secondary edge adhesive sealant in insulating glass units.