Clean window, double-layer hollow 5mm tempered glass, can be matched with machine-made board and manual board to create the plane integration of clean room board and window, with beautiful overall effect, good sealing performance and good sound insulation and heat insulation effect. The clean window can be matched with 50mm manual board or machine-made board to break the shortcomings of low precision, non sealing and easy fogging of traditional glass window. It is a good choice for the industrial application observation window of the new generation of clean space. The double-layer clean windows are double-layer hollow glass,

1. Machine made sandwich panel (core materials include polystyrene, rock wool, paper honeycomb, glass wool and polyurethane).