gas filled

... also as a warm edge technology. In other words Super Spacer is a spacer used to separate the lites of an insulating glass unit. Super Spacer is made of an exturded, thermoset polymer sctructural silicone foam. The shape of the thermoset polymer material is set during heat curing and can't be reshaped through reheating. Thanks to this spacer the argon gas, which is the gasp between the glass units filled with, leaks away about 5% per one year, compared to other spacers, it's a really minor leak.