产品标签
absorbent
sepa
airtight joint
vin
rat
led ar
olo
ting
glass
tin
edge
opa
sea
reflective
lash
g unit
insula
gh
r gas
panel
产品描述insulating units consisting of two panels of glass sealed around the edges by an airtight joint and separated by a layer of air, other gases or a vacuum (excl. coloured throughout the mass, opacified, flashed or having an absorbent or reflective layer)