The film extrusion is complete, with a minimum thickness of 2±0.2mm. The perforation method is mechanical cutting, with perforation dimensions…

Polyurethane membranes are a newly emerging type of aerator membrane. Their main features are that the membrane is very thin,…

The diaphragm is made of imported silicone rubber raw materials. Silicone rubber has excellent heat resistance, cold resistance, dielectric properties,…