Two pieces of glass and one suspended Heat Mirror film construct the unique dual-space structure.The insulating gaps are separated by high performance spacers, and dually sealed by sealant.

• 两层玻璃与一张特殊的热镜薄膜组合由双层特种隔离条分隔形成一种特殊的双中空结构，并采用双层硅胶密封。