It is with high shield efficiency. The door has been developed mainly for special use in precision factory and food processor factory where complete cleanness is highly required. A high airtight performance door that enables to comply with special requirements.
The Dream door has an excellent property regarding the shielding efficiency well exceeded more than “Grade Line 2” which is the highest excellent grade of JIS Standard at present. (Equivalent to A4- class of JIS standard revised.) Furthermore, the door shows almost same efficiency even in a positive pressure and a negative pressure. The door is therefore recommended to food processing, precision factories, medical facilities and other clean rooms where the positive pressure must be required to prevent entering of outside bacteria.