Vacuum glazing is sealed glass unit that contain 0.15mm-0.3mm vacuum space(10-3 Mpa)  between glass panels.The VIG structure contain micro pillars between glass to support the vacuum space,and special materials (Glass solder or metal alloy) to seal the glass unit to ensure long durability.

Vacuum glazing is acknowledged as next generation insulating glass,it reforms the insulating glass structure and improve energy performance significantly.