... free, two components, room temperature cured polysulfide sealant. SQ840 two-component polysulfide sealant for insulating glass has excellent adhesion ... production line and manual production line for insulating glass production. SQ840 can be used in conjugation with butyl sealant. It also ... 12 months stored in cool, dry and ventilated place. SQ840 two-component polysulfide sealant for insulating glass
