Secondary sealant sealing depth in Insulating glass.

As to the insulating glass secondary sealant Sealing depth, there is standard that requires:

Single sealant thickness(sealing depth) is 10mm±2mm.

Double sealant thickness(sealing depth) is 5mm~7mm

Super spacer thickness(sealing depth) is 8mm±2.0mm 

from China National insulating glass standard GB/T  11944-2002. 

Of course, the real actual production will be different as per the aluminum frame mounting position. Some place might be deeper while some place might be thinner. What we need to keep in mind, 5-7mm is the reference value. Most of the project will require the relative parameter in advance, which is easier for the insulating glass production.

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