Pre-laminating room’s environment is very important for manufacturing successful laminated glass with Polyvinyl Butyral PVB interlayer film. There are some requirements：
1. Install double doors, and the double doors not open at the same time and better install wind-shower equipment in the middle of double doors.
2. The temperature inside the pre-laminating room should keep at 18-20 degrees and humidity at 20%-30%.
3. Wokers should wear antistatic suit, glove, hat.
4. Regularly clean the equipments and pre-laminating room.
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